Torque Converter Clunking Noise

Often, this is a common symptom of a bad slip yoke. Check out our Conversion Software for Windows. "A torque converter clutch fault," the garage mechanic told us, and by the sound of the words, I knew it was going to be expensive. The clunk seems to be coming from the drive shaft maybe or rear end? It doesn't always do it but I do notice it more when say going up an incline and then letting. 3003 W Hirsch St. It feels as if it might be coming from the middle of the front end, like from the differential or something. It runs and drives great just has a clunking noise whenever I'm stationary as soon as I step on the gas and start moving the noise goes away. The torque converter in your transmission is what transfers and softens the connection between the engine and the transmission. Faulty torque converter drives Ford to recall 450,000 vehicles. Certain 2016 model year chevrolet camaro and cadillac ct6 vehicles, equipped with an 8-speed automatic transmission (rpo m5t or m5n), may have been built with an incorrectly machined torque converter p. Clunking Noise in Steering. Accelerate slowly in drive and listen to whether the torque converter noise will get quieter as the vehicle moves forward. The torque converter will slide onto the input shaft three times, each time seating further into the bellhousing followed by a 'clunk. The clunk started a few months ago, but I did notice it before the exhaust was changed. Uses the same 3/4" top width belts as Comet's 20 series. I'm replacing the torque converter because of a clunking noise that is coming from inside the bell housing so im guessing it's either a cracked flex plate or something going with the torque converter. Torque converter shudderknown problem with the A8. The van still handles fine, and I don't detect any abnormal bounce. A friend of mine has a 99 suburban 4x4 5. Common Issues When Transmission Makes Clunking Noise. 5 HP 212CC 3/4" OHV HORIZONTAL SHAFT, ENGINE CLUTCH. When you put the trans in neutral, the pump fills the converter, something it dosn't do in park and absorbs the shock of going into gear. I've read many posts here regarding the transmission issues, and the possibility that continued issue's may be attributed to a damaged torque converter ? Is there any sign or way of knowing if the TC may possibly be damaged ? Is there a simple inspection that can be done ?. There is a real loud knocking sound coming from what sounds like the torque converter or flywheel area. Some others brought up a rivet problem where the rear flex/drive plate connects to the torque converter, and I pretty much decided that was my problem. 5 mpg avg Posted By: REM13 on 03/14/14 10:32pm a bolt with a locking nut in the hole above the right side dog that holds the hitch forward and that cured the clunking noise. there is a snap ring that holds the shaft to the torque converter, don't know about your newer model, but typically 4EAT's have a ring seal around one of the shafts as well and there's a torque converter seal too. When using a transbrake, stall speed should be selected to be somewhere around 300-400 rpm higher than the peak torque RPM range, since brake-equipped cars tend to drop a few hundred RPM upon release of. 0-liter V8 engine with 480 horsepower at 7,000 rpm, and 420 lb. This dissertation, "Torque Converter Turbine Noise and Cavitation Noise over Varying Speed Ratio," is hereby approved in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY IN MECHANICAL ENGINEERING-ENGINEERING MECHANICS. UPDATE: This issue appears to affect all Honda/Acura vehicles with the 6AT dating back to at least 2012. Chassis Noise Diagnostic Solutions. Today i heard some clunking again on a flat road. From 1000 to 1300 rpms. I have developed a new noise which sounds like its from the front end of the truck. well, without hearing the noise myself, i could guess that the torque converter clutch might be going bad. But let me call up to Saginaw. GM stipulates that the timing of this shift can cause a momentary torque reversal of the output shaft that results in a clunk noise. It should be attached at the carb throttle area and will run down to the tranny. Remove the four bolts that connect the torque tube to the clutch housing. As a working owner, Bob Steckler, is proud to have the opportunity to custom build your converter to match your vehicle's specific needs and wants. I dont know were to start and i keep getting screwed buy having it rebuilt. There is a cyclical bearing-like noise and a small but noticeable vibration (that "zuMMmm-zuMMmm-zuMMmm kind of rhythmic sound) until the torque converter locks 1988 Dodge Dakota 4x4, 3. The torque converter does what a clutch does in a manual vehicle—allows the engine to turn while the transmission stops, enabling the shifting of gears. honda forum at Car Dealer Forums; 1999 CR-V, 93k, has a clunking-like noise from front end when going over bumps, etc. It’s and 18mm but can’t get any sockets in there I have compressor but what are you guys using to get sockets to fit. If you look at this complaint on the Jeep Forums you will find many different opinions of what it may be and what fixed their vehicle. The big noise the car made was when it idled, and makes this horrendous metallic knocking which made it sound like a rod-knock. The converter clutch valve controls the TCC application and release. The latter was more apparent with my '13 EcoBoost, as it just had robust torque with the 3. when i got an oil change, i had them check the u-joint, because i had this go out on my last truck at around the same mileage (78,000) and they said it was fine. The noise is there all of the time no matter what gear the transmission is in When shifting from park to reverse the noise stops for about one second but that is all. That’s when I remembered you have to check the position of the torque converter before installing the trans (Step 1 shown below). recently i noticed a clunking noise (not very loud) when driving in reverse. Almost sounds like rod knock, but I just put the engine in and its been doing it since i first started it up. If you have a crack in the flex plate, or something loose/broken inside the torque converter, it could shatter at any time, leaving you broke down. But really, the problem is simply the noise. For availability and technical support, call TC Remanufacturing at 1-800-882-6089. Jump to Latest Follow 1 - 11 of 11 Posts. There were no strange noise when it was done the first time in fact I was quite impressed with the way the van ran. I have a clunking noise in the drivetrain, coming from the center nearabouts the transfer case. It usually eases when the transmission is shifted into neutral. ii iii This dissertation, " Torque Converter Turbine Noise and Cavitation Noise over Varying Speed Ratio, " is hereby approved in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY IN MECHANICAL ENGINEERING-ENGINEERING MECHANICS. What could be better than a high-quality Ford F-150 Torque Converter offered with an amazing low price guarantee? Purchase from us and save a lot!. GM stipulates that the timing of this shift can cause a momentary torque reversal of the output shaft that results in a clunk noise. and that the growling noise i get from putting it into reverse that i have is from backlash. 9 mm with washers on them. It now does not stay putt in the park. Chassis Noise Diagnostic Solutions. For all other torque converters, you will only use 6 bolts, inserting one in every other hole of the Flexplate. It was the bad torque converter that was making all that noise. If the torque converter has an internal fault you could experience poor acceleration along with noise. Not thinking to much about the "clunk" sound I went and got the FSM to check the bell housing torque specs. I had torque converter bolts come loose and it was a slight slapping noise. Engineered with the legendary precision, accuracy and safety that continue to turn the world of manufacturing in one direction: forward. if it is making a loud knocking noise it is about to go out If when you put it in to gear, it jumps in to it and the car starts to move instantly then the converter may be shot. I'm replacing the torque converter because of a clunking noise that is coming from inside the bell housing so im guessing it's either a cracked flex plate or something going with the torque converter. I refilled with 4. When you are cruising at a constant speed the lock up portion of the converter is engaged and 100% of each rpm is transferred through the converter, just like through a standard clutch. Search Fixya servo's cost about 275. Has anyone had a similar problem and did it go away as you got more time on it? I haven't pulled the converter off yet to be sure the plate screws aren't loose. What could be better than a high-quality Ford F-150 Torque Converter offered with an amazing low price guarantee? Purchase from us and save a lot!. Some converter types are known for cracks in the impeller hub. He only referred to it as a "converter" instead of a "torque converter". The noise goes away in park and neutral, only happens in drive and reverse. My tech tells me that a tranny along with the torque converter are what is normally replaced under warranty. Question type: General. Noise!, New York City, 26 replies Too strange to quickly- transgender, trans-race, trans-dad, Politics and Other Controversies, 28 replies Clunk from Pipes after shutting off valve, House, 15 replies Anyone know if a 700-4R trans and a 200-4R trans use the same torque converter?, Automotive, 6 replies 5Am Thump Thump Thump, Austin, 5 replies. If that doesn't do it, the trans will need to be rebuilt and the torque converter checked. I changed the fluid at 90K Mobil1, 120K Mobil1 and 144,750K Valvoline Dex6 the recommended fluid. Torque converter bolts dont stop making noice when warm, unfortunately. The transmission of your vehicle is extremely important. Torque converter housing cracked in area of diesel particulate filter bracket (see pictures 01 and 02). Austria Czech Republic Denmark Deutsch Deutsch Deutsch Deutsch English English France Français Français Français Français Germany Greece Italiano Italy Nederlands. The clunk seems to be coming from the drive shaft maybe or rear end? It doesn't always do it but I do notice it more when say going up an incline and then letting. it was during going reverse uphill. I'd like to know how to get to the torque converter nuts. Comet 340 Series Torque Converter System (Symmetrical) Comet 340 series torque converter system is for 2 or 4 cycle engines up thru 8 hp. I have noticed very regularly that there is a grinding noise coming from the torque converter when driving between 4th and 5th gears specifically in eco mode with this vehicle. the problem i am having is the transmission makes a clicking sound in all forward gears at low speeds. My thought would maybe be something with the diff, or maybe the rear suspension. Remove input shaft oil seal using ESST. The overrun clutch works exactly like a starter, bendix drive. Two technicians are discussing torque converters. Can't find something? Try searching. to open the torque converter clutch when changing gears. I have around 80k on the odometer and when I first take off and then let off of the gas, there is a clunk noise which sounds like it's coming from the middle/rear of the vehicle. Common Issues When Transmission Makes Clunking Noise. The noise is there all of the time no matter what gear the transmission is in When shifting from park to reverse the noise stops for about one second but that is all. Check the header clearance and make sure it is not hitting the bottom of the floor pan. I suspect the voltage on the solenoids is a little high making them activate a little hard. once again when u expect to have an issue resolved they just blow it. Clunking noise from rear differential. This is usually the result of worn needle bearings inside the converter. We’ve been building specialized high and low stall torque converters since 1961. -PT intercooler-PT6765JB turbo-80# inj-Stage 3 2004r by Mike Kurtz (hoping trans not compromised that due to converter issue - trans not showing any issues, yet. A torque converter prevents. Loose flexplate/converter bolts make a nasty sound similar to a rod knock, but immediately go away as soon as you try to accelerate the mass. The torque converter turns while the transmission is in park and neutral, therefore, any noise from the torque converter will occur while the vehicle is in gear. One of the most common faults that can trigger a code is the torque converter, which can cause hesitations or slipping between gears while accelerating (a common issue with these cars). The torque converter in your transmission is what transfers and softens the connection between the engine and the transmission. Two questions please 1) Is there another converter in that transmission other than the torque converter? 2) Did the clunking noise go away after replacing your torque converter?. I'm thinking that there could be torque bind building up in the drive train after some driving, and it's released when shifting into N, leading to the clunk. This has been around since the Atlas was released and they all do it just some louder than others. Then go into drive. Never any problems whatsoever on the highway when the motor is not lugged down, no problems shifting. 05-23-2004, 01:23 AM. This condition produces several raps during quick acceleration on a free running engine. Pull on this (force it to engage) without moving the throttle (no engine difference through carburetor). A bad torque converter will often run at a higher stall speed. Increased stall speed – As torque converter problems progress, it will take the transmission longer to engage the engine. It happens ONLY on deceleration; acceleration is smooth. Improve your transmission's shifting ability with a new Cougar transmission torque converter, to regulate the flow of fluid to the transmission in response to. A lot can go wrong with an automatic transmission. Highlights of the transmission include:. In the oem tune, the torque converter locks up at 1500 rpm's and unlocks at 1350. Remove transmission and correct problem. You hear a strange noise: A whirring noise under the hood can be caused by a faulty torque converter. NOTE: You must update the PCM to complete the repair. This noise is present in all gears, including Park and Neutral. It is more of a feeling, I don't actually hear a noise. Torque Converter Clutch. 5:1 ratio over actual engine torque at stall speed. The noise may be light while idling in park, but when you put the transmission in gear, the sound will increase in volume and frequency, and that is the death knell of your converter. Your flexplate could also be cracked as well, -certainly not unheard of on a 6. The noise occurs when the transmission is maintaining a high gear at a speed low enough the motor is lugged down and the torque converter is locked. When it comes to your Toyota RAV4, you want parts and products from only trusted brands. While at a traffic stop, the vehicle stopped and did not move without warning. Free Torque Converter (40 X 52 X 7 mm) $12. Update: 2017, 20k mi - Suspension clunk when turning into driveways I was able to easily reproduce the noise on a testdrive with a Mazda tech. Some things that cause a vehicle's front end to make a clunking noise are worn ball joints, a damaged tie rod, broken or loose sway-bar links, hard or damaged shocks, and faulty shock mounts. There can be 5 things that can cause a front end clunk. Continued driving with a worn front motor mount places considerable stress on the the other engine mounts, the transmission mount, the rubber airbox flex pipe and the exhaust system's. My tranny is A5S325Z with the S33 TC (For M52TUB28) And my question is, if i Can use TC from M54B30 with code U38/U61 also A5S325Z. I remember a thread about how the torque converters will rattle and eventually fail, I'm thinking this might be it. It can be one of the most annoying noises your car, or truck can produce. I'm replacing the torque converter because of a clunking noise that is coming from inside the bell housing so im guessing it's either a cracked flex plate or something going with the torque converter. exhaust and catalytic converter shielding is a good place to start the search for the noise source. Now I have a lound knocking noise coming from the torque converter. The key to keeping your trans alive and your torque converter is keeping the trans fluid cool so make sure to install a big trans cooler and a deep trans pan and also change the trans fluid periodically. My tranny is A5S325Z with the S33 TC (For M52TUB28) And my question is, if i Can use TC from M54B30 with code U38/U61 also A5S325Z. Hi I hope this is the right place to post this. is to replace your stock converter with one geared more towards quick launches. the problem i am having is the transmission makes a clicking sound in all forward gears at low speeds. I have heard that torque converters can do this but there's no other signs of shifting problems or delays placing it in gear, noises ect. 5 HP 212CC 3/4" OHV HORIZONTAL SHAFT, ENGINE CLUTCH. Shift between the other gears, (Drive and Sport, if you have it) to see if you can hear any other sounds from it. Now you can try to apply the drive gear and listen carefully if you can hear any signs of noise from the torque converter. ii iii This dissertation, " Torque Converter Turbine Noise and Cavitation Noise over Varying Speed Ratio, " is hereby approved in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY IN MECHANICAL ENGINEERING-ENGINEERING MECHANICS. As soon as I change the RPM either by shifting down to 3rd or speeding up the noise goes away. I have a 87 aero with a small block, th350, and 4. This happens with high miles. I was told this is normal. Took the replacement transmission and slide the torque converter onto the splines. FordTruck. • “Clunking or clicking” when starting to move or getting on and off the gas might be loose yokes, bad u-joints or worn transfer case or transmission parts. Stored by US Military. As far as the chassis, Yamaha relied on its Rally Racing heritage to develop a narrow, lightweight perimeter steel frame with a rearward weight balance (48% front / 52% rear) that makes it easier to lift the front wheel. A torque converter shudder is a brief shake or shudder in the vehicle when internal clutches apply inside the torque converter. The big noise the car made was when it idled, and makes this horrendous metallic knocking which made it sound like a rod-knock. I have a 2002 2WD T&C with 146K miles and 3. Volker Middelmann Dipl. This is most easily noticed leaking transmission fluid. Clunking sound. I remember the sickening sound of a stick chewing up the rear derailleur, and I remember discovering new trails overhung by creepers, like a portal to another world. Austria Czech Republic Denmark Deutsch Deutsch Deutsch Deutsch English English France Français Français Français Français Germany Greece Italiano Italy Nederlands. 7 350 Auto trans. 68rfe torque converter issues. At first I thought it was an issue with the flexplate/torque converter so I pulled the bolts and made sure the torque converter was seated in the front pump, then pulled it out a bit and shimmed it up. Drive Systems. Possible some kind of other front end problem. Discussion Starter • #1 • Mar 24, 2009. the engine starts normal and when i take it for a drive all the gears shifts out normal but when i take my foot off the accelerator while i'm going down the road it makes this loud rattling knocking noise its not the engine and when the engine come to a idle its knocking so loud then i shut it off start it up no knocking sound but my dad stated that it could be a lose torque converter screws. TSB 17-025 "Judder from the Torque Converter Lock-Up Clutch" and TSB 17-026 "Judder from the Torque Converter Lock-Up. Torque Converter Clutch. Transmission charge pump supplies oil to the torque converter, if the housing is worn it can leak oil due to this and the system will lose pressure. ii iii This dissertation, " Torque Converter Turbine Noise and Cavitation Noise over Varying Speed Ratio, " is hereby approved in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY IN MECHANICAL ENGINEERING-ENGINEERING MECHANICS. Hello CarTalk Community, I have an '05 Chrysler 300C AWD with approximately 65k miles. Had Torque Converter , Underdrive. I have repeated steps to reproduce the issue very time when using the shiftronic mode in the vehicle as well. But let me call up to Saginaw. Very expensive. If the torque converter fails to unlock at lower speeds, it shudders. You never know exactly when it will do it. my honda has an automatic transmission and a 4 cylinder engine. We can put new seals and bushes into BMW, Audi and merc. REPAIR PROCEDURE B Follow the IN-WARRANTY EXCHANGE steps in service bulletin 90-009, Automatic Transmission In- Warranty Exchange Program, to order a remanufactured A. Download Torque Unit Converter our powerful software utility that helps you make easy conversion between more than 2,100 various units of measure in more than 70 categories. We've seen this in cases where the AWD transfer clutch is binding or malfunctioning; even with the same four tires, torque can build up due to normal steering and turning. A bad torque converter will often make strange sounds. (Page 1 of 2). The noise occurs when the transmission is maintaining a high gear at a speed low enough the motor is lugged down and the torque converter is locked. What I am most concerned about was the "premature failure" of the second tranny. Previously I had designed a circuit to disable lock up operation with solves the shudder problem. Brand new and pre-owned equipment for sale. I'd like to know how to get to the torque converter nuts. 25" bolt circle. turned out it was a cracked flex plate in combo with a bad torque convertor. A restricted or clogged transmission filter makes the same whining noise as a faulty transmission pump. If you come to a complete stock, the torque converter takes over and make the transition smoother, but if you are going a few mph in first gear and you left off and then re-apply the gas, you will experience a clunk. The thud/clunk occurs when the RPMs start to decrease, a brief moment after lifting off the gas. It is NOT the flywheel (no cracks), or torque converter bolts (tight). the problem i am having is the transmission makes a clicking sound in all forward gears at low speeds. Torque converter shudder and diagnosis Many people describe this feeling as running over a rough spot in the road. Mister Transmission. Torque Converter Noise 2011 Ranger My 2011 xlt 4 l v6 sometimes makes a "whump, whump, whump" kind of noise when I first drive it after it has been sitting for a while. As far as my second issue, I am completely stopped on the hill which I would think downshifts the tranny to 1st. If you are extremely lucky, it may just be a result of old and dirty transmission fluid. Clunking Noise In Drivetrain Only On Deceleration. Crawl under. Subject: clunk - torque converter???? IP: Logged Message: whenever i press on the gas or let off the gas all the way, i hear a clunk towards the back of my truck. The MOST likely cause of this noise is the: A. Try checking the 3 torque converter bolts, also check for loose motor mount bolts. Driving at 50 mph on road, heard a clunking noise and engine light came on. Can anyone verify that these bolts are the correct ones? The car has a slight shimmy in neutral and park, and a HORRIBLE clunking / loose converter or flywheel noise from the front of the tranny/ back of the engine, when in gear. Axle wrap would not explain the "rattle" sound. Gauges and raptor 3/8inch fuel system. Sounds to uneven to be a rod or crank bearing. The vehicle will rev but will not increase speed. Designed especially for jr dragster, go-karts and mini-bikes. The noise is often more apparent when the transmission is in gear. Discussion Starter • #1 • Mar 24, 2009. 09-22-2010, 06:45 AM Pelican Parts Catalog | Tech Articles | Promos & Specials # 11 ( permalink ). A faulty torque converter was causing widespread and dangerous transmission problems for owners of the 2004-05 Ford Freestar. I suspect the noise is coming from the front. Rattling torque converter? Jump to Latest Follow 1 - 11 of 11 Posts. Since the entire converter (pump, turbine and stator) turns while the transmission is in park and neutral, a converter noise will go away in those ranges. 10k miles miles and a full trans flush later the noise is exactly the same. It's not crazy loud or hard, but you can hear it over the starter. Hello CarTalk Community, I have an '05 Chrysler 300C AWD with approximately 65k miles. com is the internet's best resource for car enthusiasts, buyers, owners and sellers. Hey all, Our 2011 Tiguan has this annoying clunk when it slows down going into 1st gear. Buy TORCO E4OD 4R100 Stock Torque Converter - 4 STUDS - 4. When I tried to shift out of park, there was a loud screech from the vicinity of the torque converter. What Causes Transmission Shudder? Transmission shudder is usually caused by a lack of transmission fluid or a slipping torque converter clutch. Haven't had time to pull the trans and look yet, hopefully tomorrow night. If the torque converter output shaft were to fail. A properly working torque converter is something your car's transmission needs to function. I started having problems with a 1-2-1 shuffle shift, then a grinding noise when pressure was applied to reverse, sticking in gears and the torque converter hanging up when coming to a stop. Funny thing though is that it only does this below ~45mph in OD. Neal Chance Racing Converters — Home of the Worlds Fastest Automatic Doorslammers. While at a traffic stop, the vehicle stopped and did not move without warning. Torque Converter clicking noise :( VW B5 Passat TDIs. Drive Systems. Joined Mar 12, 2009 · 7 Posts. UPDATE: This issue appears to affect all Honda/Acura vehicles with the 6AT dating back to at least 2012. Mine has made that noise since I got at 195k. Chevrolet Silverado 2007-2013: Transmission Problems and Diagnostics. The first thing to do is have the transmission fluid checked to make sure it is not burnt. U joints can also make a clatter and clunkbut there would be other signs, specifically a large amount of vibration with the torque converter locked (OD). But now it shifts funny and when i take off about 10 ft it makes a hitting sound our clunk sound as if the tourque converter is going out. Torque Converter Problems. It can be heard in park when revving and in drive under acceleration or just cruising a parking lot, most noticeably in the lower RPM range in all cases. Firstly, when starting the engine, pay attention to the noise made by the starter motor when it spins and engages with the flexplate, or with the torque converter if the vehicle is not fitted with a toothed flex plate. 20 June 22, Whirring sound when starting up the engine - When the one-way clutch within the torque converter wears, it starts making a whirring sound. As far as my second issue, I am completely stopped on the hill which I would think downshifts the tranny to 1st. At O'Reilly Auto parts, we carry torque converters for most vehicles. If you look at this complaint on the Jeep Forums you will find many different opinions of what it may be and what fixed their vehicle. Torque converter housing cracked in area of diesel particulate filter bracket (see pictures 01 and 02). The vehicle was towed by aaa and was taken to an independent mechanic who diagnosed that the torque converter failed and the transmission needed to either be rebuilt or replaced. An improperly seated torque converter can't turn the pump or the input shaft rendering a transmission inoperative. When this starts to wear, it begins to make a “whirring” sound. On April 13, 2017, Honda released two TSBs for all 2017 Ridgelines. Auto Transmission Torque Converter Engagement. I assume it's the tc, it makes a little clunk type sound as r's go from 1200 to 1500 and back. Sign In I'm sure he probably didn't prep it right before checking the level but he's looking for a converter (possibly) noise so I doubt fluid level has anything to do with it. On an automatic transmission, the torque converter acts in similar function as the manual clutch. The trans fluid seems to be fine, not dark or burned smelling. If it clunks over and over then part of the axle may be hitting something, torque converter may be damaged, or transmission may be damaged. The pop or clunk is the transmission shifting into first gear. I would guess, if the transmission feels noticeably mushy to you: 1- You have a high stall convertor that is too high for your use, or 2- The stator overrun clutch is bad. At O'Reilly Auto parts, we carry torque converters for most vehicles. Toyota Field service engineer said the noise "was internal" to the transmission. that sam e knocking noise. I remember the sickening sound of a stick chewing up the rear derailleur, and I remember discovering new trails overhung by creepers, like a portal to another world. Comet 340 Series Torque Converter System (Symmetrical) Comet 340 series torque converter system is for 2 or 4 cycle engines up thru 8 hp. The first thing to do is have the transmission fluid checked to make sure it is not burnt. Unique strategies are utilized to safeguard against damage to the belt and pulleys should the converter clutch get “stuck on” due to a faulty solenoid, stuck valve, leaking sealing rings or a defective converter. Who ever does this repair for you, ask them for a 3yr/50k warranty. But understanding what could be wrong and then determining what would be involved to get it repaired (or if it even makes sense to try to get it repaired instead of swapping it out for a re-manufactured transmission), is what this article is all about. If you notice large amounts of black material in your transmission fluid, you may need a new torque converter. I have yet take it to the shop because I do not want to have a piece of garbage rental. It can be one of the most annoying noises your car, or truck can produce. But transmission overheating, I believe, can cause torque converter failer too. The torque converter's clutch begins to slip over time in Audi A4 and Audi A6 models. '99 CR-V Front End Clunking Noise. The torque converter bolts had loosened up,just a thought Re: Torque converter making a knocking sound. The torque converter is a perfect fit and has a long service life. UPDATE: This issue appears to affect all Honda/Acura vehicles with the 6AT dating back to at least 2012. It is similar to running over a rough spot on the road or running over a cattle guard. where is the torque converter on these things. The noise goes away in park and neutral, only happens in drive and reverse. 25" bolt circle. Some converter types are known for cracks in the impeller hub. Check the header clearance and make sure it is not hitting the bottom of the floor pan. I thought maybe I didn't get the torque converter engaged in the tranny. At low engine speed and high engine torque, noise and vibration concerns originating from the driveline, powertrain or vehicle structure can supersede aggressive torque converter clutch scheduling. The torque converter was seated correctly and the pump does not sound busted (thank god) I say this because when it drove, it drove perfect. Almost sounds like rod knock, but I just put the engine in and its been doing it since i first started it up. Average repair cost is $1,100 at 19,250 miles. Over 500 types of Domestic, Import, High Performance, and Industrial. 5:1 ratio over actual engine torque at stall speed. I got a 2001 Chevrolet Cavalier Z24, and it's got a steady clunking sound thats get faster as the wheels turn faster. This can be accompanied by the rpm needle wavering around 100-200rpm up and down as the TQ lock up clutch tries to limit TQ slippage. This is the noise I get when putting my vehicle into gear a few times or letting it idle for a few minutes. Now I have a lound knocking noise coming from the torque converter. As the Nitro slows, the sound becomes less of a clunk and more of a "shhh-clunk", which still makes me think drivetrain. Example - Torque exerted by a Wrench. 5L: Transmissions & Parts - Amazon. well in my 87 xj (automatic) i can hear a knocking noise at idle. The torque converter turns while the transmission is in park and neutral, therefore, any noise from the torque converter will occur while the vehicle is in gear. Looks like the converter wobbles a little, And the noise is there when in park or drive. Keeping your Tucson Torque Converter in top condition is critical to keeping your vehicle running smoothly. 4-liter twin-turbo V8 that makes 613 horsepower (457 kilowatts) and 590 pound-feet (800 Newton-meters of torque. It's difficult to nail down exactly how your car may sound if there's transmission trouble, but one thing's pretty certain, you'll probably get a that-doesn't-sound-right feeling when you hear it. We invest in the last torque rebuilding technology and machinery to ensure superior craftsmanship. Browse by Category Change Browse Type. With the tie-rod ends, the way I previous explained the problem is almost the exact opposite of that sound. You may first notice a whine, similar to a power-steering pump that is low on fluid. I have a 87 aero with a small block, th350, and 4. We can put new seals and bushes into BMW, Audi and merc. I have attempted to survive the cause of a recurring mechanical problem by very frequent tran fluid changes over the years but the problem has kept occurring since 40000 miles in year 2007. Hi all, I have an 06 2WD Tahoe with the 5. I've read many posts here regarding the transmission issues, and the possibility that continued issue's may be attributed to a damaged torque converter ? Is there any sign or way of knowing if the TC may possibly be damaged ? Is there a simple inspection that can be done ?. Not just the feeling, but also the clunking sound. Possible some kind of other front end problem. A typical torque converter will have a torque multiplication ratio in the area of 2. all components have approximatley 10,000 miles on them. It's not a. The shutter noise was the result of a long standing Mdx mechanical problem with the transmission ( perhaps torque converter). He only referred to it as a "converter" instead of a "torque converter". I'm in the process or doing some long delayed rear-end maint on my 84 N/A automatic daily driver and have a few questions and was hoping I could get. This will make the car accelerate poorly as the increase in torque is no longer there. when i got an oil change, i had them check the u-joint, because i had this go out on my last truck at around the same mileage (78,000) and they said it was fine. It usually happens at the same time or right after it jerks. I'm replacing the torque converter because of a clunking noise that is coming from inside the bell housing so im guessing it's either a cracked flex plate or something going with the torque converter. A bad torque converter will often make strange sounds. So this weekend the wife and I went out of town to see some family. Now you can try to apply the drive gear and listen carefully if you can hear any signs of noise from the torque converter. Some converter types are known for cracks in the impeller hub. A restricted or clogged transmission filter makes the same whining noise as a faulty transmission pump. I started having problems with a 1-2-1 shuffle shift, then a grinding noise when pressure was applied to reverse, sticking in gears and the torque converter hanging up when coming to a stop. This is the noise I get when putting my vehicle into gear a few times or letting it idle for a few minutes. Re: Torque converter early lock up by Ashton Crusher Dec 11, 2008 at 09:10 PM. When it gets completely warmed up, the torque converter fan blade will rub against the metal plate that's on the engine case and make an awful noise. In addition, the side engine torque rod should be inspected for rubber separation and cracks as well (although a worn rod will not result in any clunking noise). We invest in the last torque rebuilding technology and machinery to ensure superior craftsmanship. It doesn't make any noise after the initial clunk of shifting into reverse. A failing torque converter may cause engine noise, shuddering, transmission slipping, or trouble shifting. around i shoudl that and there was barely any noise. Are they any different, will it fit to my tranny without any issue? I have chance to buy rebuild one for. Automatic Transmission Torque Converter by Dacco®. Transmission charge pump supplies oil to the torque converter, if the housing is worn it can leak oil due to this and the system will lose pressure. ) all per the findings from the tech. fun trip but now my torque converter isn't locking up. Possible some kind of other front end problem. (Sports automatic transmissions usually make a satisfying "clunk" sound. googlegroups. kinda looks like the converter is wobbling back and fourth a little. My '14 Silverado 5. Mar 22 2010, 9:24pm. Have a shop verify line pressure, and provided no valves in the TCC hydraulic circuit are worn, replace the torque converter. In many states, to promote recycling, you are charged a deposit when you purchase a can of soda and you receive your deposit back when you return the empty can. Uses the same 3/4" top width belts as Comet's 20 series. We have some of the best torque converter builders and machinists in the industry. CHEVROLET > 2004 > SILVERADO 1500 > 5. This is usually the result of worn needle bearings inside the converter. Every once in a while it also will make a popping noise. When I park on a hill and exited the parking space theres a clunk noise and I have done it about 3 times after work, worried if I may have damaged the transmission? I was also idle and shifted to reverse to leave and the same clunk happened, tried to replicate it but couldnt, was curious as to. The 2014 Honda Odyssey has 36 problems reported for vehicle jerking, loud clunking noise. If you’re hearing a brake clunk noise during application, start by checking the caliper bolt and abutment/bracket bolt torque. Question type: General. A loud clunk sounds bad, but it could be just related to the gear change/torque converter sequence and switching. A clunking when accelerating from a stop and braking is an odd one, I’m assuming there has been no suspension work on the car (e. Sounds like your torque converter. After all, a stock torque converter is set up more for smooth street. Then start the engine and see if the noise is still there (only leave it run long enough to listen for noise), if it is you have a cracked flywheel or a. The Transmission charge pump couples the Torque converter to the gearbox. finally got an answer from the northeast rep. The 2014 Honda Odyssey has 36 problems reported for vehicle jerking, loud clunking noise. kind of irritating Can I lower this or what?. They replaced it and torque converter.   if that plate gets pushed or bent at all it'll rub the TC teeth and can make noise. Hey all, Our 2011 Tiguan has this annoying clunk when it slows down going into 1st gear. To me this all indicates clutch material. clunking noise when shifting from drive to reverse in ford explorer loud clunk when shifting from drive to reverse - Ford 2004 Explorer question. The ZF-sourced 8HP95 automatic transmission features a conventional torque converter. If the torque converter fails to unlock at lower speeds, it shudders. It then slips, and “shudders. kinda looks like the converter is wobbling back and fourth a little. 5 speed automatic. As soon as I change the RPM either by shifting down to 3rd or speeding up the noise goes away. you could have a trans or motor mount that is worn out. This will cause the torque converter to leak and eventually stop functioning due to lack of transmission fluid. Noise is a BAD omen and probably will need to have a close look after removing the thing. The problems come in many sizes, shapes, and forms. The basic function of torque converters is to multiply torque so as to cope up with the reducing rotational speeds. A failing torque converter may cause engine noise, shuddering, transmission slipping, or trouble shifting. Continued driving with a worn front motor mount places considerable stress on the the other engine mounts, the transmission mount, the rubber airbox flex pipe and the exhaust system's. #Porsche #ServiceCentre #Essex. Driving at 50 mph on road, heard a clunking noise and engine light came on. The clunk started a few months ago, but I did notice it before the exhaust was changed. DACCO is no longer supplying torque converters. Loose motor mount bolts sounded like a heavy clunking noise when coming off of the throttle. Any tips on removing Torque converter bolts on 05 gto A4. This is most easily noticed leaking transmission fluid. It especially does it when rolling after immediately driving aggressively. Sinister Diesel - Torque Converter. Mister Transmission. It's similar to this:. Thats my off the cuff guess hopefully if thats the case and the switch is accessible from the outside then it should be a quick fix, if not then its a tranny out job so sorry to hear of this. It usually eases when the transmission is shifted into neutral. I do a drain, pan drop, and new filter. It then slips, and “shudders. Non TDI related postings will be moved or removed. I am however, able to simulate this clunking noise when the engine is idling in Neutral and is shifted directly into Park. About Hyundai Genesis Torque Converter Of all the high-precision auto parts within a GM car, the most important one is the Hyundai Genesis Torque Converter. I'm thinking that there could be torque bind building up in the drive train after some driving, and it's released when shifting into N, leading to the clunk. I've had something similar happen to my '93 after I hit a pothole but clunking sound would stop when I turned left. The basic function of torque converters is to multiply torque so as to cope up with the reducing rotational speeds. re: 2010 GMC Sierra clunking noises Posted by meauxjeaux2 on 10/29/10 at 1:04 pm to Pappa Mule sounds like the torque converter is coming out of lockup a little too rough. I have a 2013 2. Volker Middelmann Dipl. Technician A says that a torque converter does a similar job as the manual clutch. Fast forward to now and the noise is worse. Not just the feeling, but also the clunking sound. I do my trans fluid change every 2,500miles with my oil change. It's why a worn or faulty pump makes a whining noise in all gears, including park and neutral. CHEVROLET > 2004 > SILVERADO 1500 > 5. It shifts so quick and firm. The thud/clunk occurs when the RPMs start to decrease, a brief moment after lifting off the gas. Does this make sense? The whine is only audible at lower speeds (up to 60km/h) and the pitch seems to be directly related to gear changes - as the engine revs up, the whine pitch gets higher and when it shifts down a gear, the whine pitch drops. I drove into town and back today with the 1009, and on the way home, I started hearing and occasional "clunk, clunk" from somewhere underneath the truck. you could have a trans or motor mount that is worn out.   if that plate gets pushed or bent at all it'll rub the TC teeth and can make noise. Hey guys, I have an issue that I believe is a cracked flexplate. Can anyone verify that these bolts are the correct ones? The car has a slight shimmy in neutral and park, and a HORRIBLE clunking / loose converter or flywheel noise from the front of the tranny/ back of the engine, when in gear. As a working owner, Bob Steckler, is proud to have the opportunity to custom build your converter to match your vehicle's specific needs and wants. At first I thought it was an issue with the flexplate/torque converter so I pulled the bolts and made sure the torque converter was seated in the front pump, then pulled it out a bit and shimmed it up. 00 dollars plus the cost of the torque converter. One test of success I use once it's in, is to wiggle the converter back and fourth and listen carefully. i just purchased a 1990 2500 4x4 350 chevy truck, when u start it it makes a clacking noise coming from like the torque converter and fly wheel, the truck drives find in every gear it seems to lag a little in take of from a stop but other then that its all good, ones i reach more than 50 mph the noise seems to almost go away but it little bit of clacking is still notice. Noise is a BAD omen and probably will need to have a close look after removing the thing. Possible trans or torque converter issue. Make sure converter can rotate and has end-play. hey everyone I'm new here I have problems with my 2009 Honda Accord coupe 2. A great choice for show cars and street rods, this converter incorporates many of the manufacturing processes and performance features found in TCI's more expensive full-competition models. This will be the most apparent when you go from a stopped position to a drive position. It's not a. But has anyone heard that sort of like clunk sound when you accelerate again? It usually happens at the same time or right after it jerks. With the tie-rod ends, the way I previous explained the problem is almost the exact opposite of that sound. It's not crazy loud or hard, but you can hear it over the starter. Easy check: see if any of your CV axles are bad. Found out a few weeks ago that when the engine was pulled the torque converter seal was damaged. The best quality DJ, Audio and Visual equipment based in London. Almost sounds like rod knock, but I just put the engine in and its been doing it since i first started it up. It then slips, and “shudders. This has been around since the Atlas was released and they all do it just some louder than others. otherwise no problems with tranny so far. I tried the same thing with an old converter of mine, and it had almost no clunk. But it shifts so precisely, both on its own or via the metal paddles behind the DBS's steering wheel, that a. INTRODUCTION Powertrains with automatic transmissions donot usually exhibittransmission gear rattle dueto high damping from the torque converter. 5" for TH350 - TH400 Street Racer Torque Converters by FTI Performance - FTI Performance 9. Replace yours today and get your drivetrain back in it's original state. Sounds like your torque converter. New/Re-manufactured. Are you looking to buy a car but can't decide between a BMW 440i or Porsche 718? Use our side by side comparison to help you make a decision. and that the growling noise i get from putting it into reverse that i have is from backlash. I accepted that answer since so many other members on here experience this issue, and it didn't become apparent until the cold weather rolled around. When it comes to your Toyota RAV4, you want parts and products from only trusted brands. Now when the engine is started it makes a clunking - rattling noise. I have the Edge 11" on a 6 speed and the only thing that changed for me was a little bit of a clunk. New car reviews, hundreds of videos, and some of the biggest and longest-running forums combine to form the most diverse automotive community on the web!. You want to use a torque converter that is designed to keep your engine in its powerband, and not fall below the engine’s peak torque RPM. It usually eases when the transmission is shifted into neutral. The shutter noise was the result of a long standing Mdx mechanical problem with the transmission ( perhaps torque converter). OK, we have the TorqueFlite 8HP70 eight-speed automatic Description: adaptive electronic control, Sport mode or paddle-shifted driver-interactive manual control, five-clutch pack design with only two open clutches in any gear, off-center line pump with low-viscosity oil for reduced spin loss, torque converter lock with turbine torsional damper for low lock-up speeds in first through eighth gear. I am sure this is not normal. I took delivery of a 2016 Sierra Denali (5. The place I had the tranny rebuilt said they replaced the converter. The first thing to do is have the transmission fluid checked to make sure it is not burnt. 2014-2017 Honda Odysseys have been having issues with their transmissions, specifically the torque converter. (for a while anyway) after it was. Only when you apply load. Designed especially for jr dragster, go-karts and mini-bikes. T = (250 N) (30 cm) (0. A torque converter (TC) can fail in several different situations: Since TCs are made of metal, they are welded together. Austria Czech Republic Denmark Deutsch Deutsch Deutsch Deutsch English English France Français Français Français Français Germany Greece Italiano Italy Nederlands. The torque converter turns while the transmission is in park and neutral, therefore, any noise from the torque converter will occur while the vehicle is in gear. On an automatic transmission, the torque converter acts in similar function as the manual clutch. (Page 1 of 2). At O'Reilly Auto parts, we carry torque converters for most vehicles. Slippage equals lost power and reduced responsiveness. Next check abutment clips and the brake abutment areas. Common Issues When Transmission Makes Clunking Noise. I noticed a sort of noise, best described as maybe a clunk or maybe a click. (Sports automatic transmissions usually make a satisfying "clunk" sound. You can hear the transmission shifting with the clunk and the torque converter as well. Torque converters are a type of fluid coupling which transfers rotating power from a prime mover, like an internal combustion engine, to a rotating driven load. The shutter noise was the result of a long standing Mdx mechanical problem with the transmission ( perhaps torque converter). OK, we have the TorqueFlite 8HP70 eight-speed automatic Description: adaptive electronic control, Sport mode or paddle-shifted driver-interactive manual control, five-clutch pack design with only two open clutches in any gear, off-center line pump with low-viscosity oil for reduced spin loss, torque converter lock with turbine torsional damper for low lock-up speeds in first through eighth gear. Updates on company policies and procedures. The pop or clunk is the transmission shifting into first gear. U joints are ok, I suspect torque converter because the rpms drop instantly from 1500 to 1000 when I hear the noise. Re: Didn't fill Torque converter, now no go! Sign In Most times you just put the car in neutral/park and the trans pump will fill the t. honda forum at Car Dealer Forums; 1999 CR-V, 93k, has a clunking-like noise from front end when going over bumps, etc. When I picked it up, I immediately changed all the oils (engine, tranny, transfer case) and everything was smooth up until the last few weeks where I would notice a 'clunking' noise whenever accelerating after a full stop, and sometimes when the truck would shift at high speeds (from second into third, remember, it's. If that doesn't do it, the trans will need to be rebuilt and the torque converter checked. I checked the oil and was surprised to see the dip stick was dry. At low engine speed and high engine torque, noise and vibration concerns originating from the driveline, powertrain or vehicle structure can supersede aggressive torque converter clutch scheduling. U joints can also make a clatter and clunkbut there would be other signs, specifically a large amount of vibration with the torque converter locked (OD). that sam e knocking noise. Valve) controls the fluid acting on the converter clutch valve. I live in the flatlands of lower Delaware, but will see if. Funny thing though is that it only does this below ~45mph in OD. The place I had the tranny rebuilt said they replaced the converter. The 2014 Honda Odyssey has 36 problems reported for vehicle jerking, loud clunking noise. Then go into drive. It happened as a result of having a bad REAR mount (the one that absorbs all the transmission torque) because it allowed the tranny to jerk back and forth and ended up tearing it. Had car towed to a local mechanic who determined. That means the. Jump to Latest Follow along at 5 mph every time I gently put my foot on the gas pedal to keep the car creeping along I feel the transmissions Torque converter engage. I'm thinking that there could be torque bind building up in the drive train after some driving, and it's released when shifting into N, leading to the clunk. The clunk is heard and felt, but not as violent due to perhaps lower rpm’s. I accepted that answer since so many other members on here experience this issue, and it didn't become apparent until the cold weather rolled around. May be accom- panies by banging or clunking noise. It is similar to running over a rough spot on the road or running over a cattle guard. Subject: Product Type: Model: Article Title: Edition: 4x4 Differential R&R. ) Total $ 0. You want to use a torque converter that is designed to keep your engine in its powerband, and not fall below the engine’s peak torque RPM. I was told by a mechanical minded person that it could be the torque converter? Any advice would be much appreciated. Toyota Field service engineer said the noise "was internal" to the transmission. A restricted or clogged transmission filter makes the same whining noise as a faulty transmission pump. Wouldn't it make sense to have the PCM reprogrammed to only engage TC lock up >50mph, for example?--. What is actually making the noise when the torque converter nuts loosen or the flexplate cracks? Noise=vibrations so. We specialize in high performance / heavy duty converters that can be built to your specifications. There are many different types of torque converter problems. It's just one sound and only happens in reverse. 3 has 28,000 miles on it now (got it at 26,000) and since then there has been a strange humming or whining noise coming from what I deduce must be the torque converter. When you downshift or otherwise disconnect the application of torque to the driveline, it makes some float between the two gear's sets of teeth. This is usually the result of worn needle bearings inside the converter. If this doesn't do the trick it's time to rebuild the trans and/or converter. Search Fixya servo's cost about 275. U joints are ok, I suspect torque converter because the rpms drop instantly from 1500 to 1000 when I hear the noise. Now you can try to apply the drive gear and listen carefully if you can hear any signs of noise from the torque converter. ' Allison Transmission Torque Converter Installation Learn how to install a torque converter step-by-step, along with a transmission. Sonnax Transmission parts for Ford AX4N applications. I recently bought a used 2005 Ford F150 Super Crew with 45,000 miles on it, I believe the previous owner may have used it to tow a camper as it is equiped with a towing package including electric brake and transmission cooler, when on the highway there is a whining or howling noise that comes and goes fairly frequently (lasts about five to twenty seconds and occurs sometimes every few minutes. The torque exerted can be calculated as. and that the growling noise i get from putting it into reverse that i have is from backlash. Today i heard some clunking again on a flat road. Found out a few weeks ago that when the engine was pulled the torque converter seal was damaged. I had the same issue - rattling noise on acceleration until I got to 1,500 - 2,000 revs. HMMWV M998 CUCV M1008 Torque Converter 8629917 2520-01-164-7234. The clunk only happens on occasion which is strange. If not, snug them up and recheck for the noise. Tapping/ticking noise at idle: 1996 MPV: F025/96: N/A: 1996: Malfunction indicator lamp (MIL) DTC P0440 and fuel filler cap installation: 1996-1997 MPV: F027/96: N/A: 1996: Rough idle/black smoke after hot engine restart: 1996 MPV: K001/96: N/A: 1996: Transmission repair procedure torque converter material flaking: 1989-1995 MPV: K002/96: N/A. The noise occurs when the transmission is maintaining a high gear at a speed low enough the motor is lugged down and the torque converter is locked. there is a snap ring that holds the shaft to the torque converter, don't know about your newer model, but typically 4EAT's have a ring seal around one of the shafts as well and there's a torque converter seal too. This happens with high miles. I'd like to know how to get to the torque converter nuts. If faulty, concerns can include harsh shifting, no shifting, and a clunking or scraping noise. I suspect the voltage on the solenoids is a little high making them activate a little hard. Pull on this (force it to engage) without moving the throttle (no engine difference through carburetor). only at idle. I refilled with 4. My '14 Silverado 5. Place your foot on the brake with the engine in neutral and idling. Was this site helpful?. However, in these systems gear impacts may occur in one instance due to transient vibrations at the lowest mode of the torsional system. It usually eases when the transmission is shifted into neutral. It feels as if it might be coming from the middle of the front end, like from the differential or something. I google-searched symptoms for a couple of hours and nothing describes the type of sound I'm hearing. On an automatic transmission, the torque converter acts in similar function as the manual clutch. Mojave Green billet, triple disc low stall torque converter. The noise goes away when the engine rpm is increased. At low engine speed and high engine torque, noise and vibration concerns originating from the driveline, powertrain or vehicle structure can supersede aggressive torque converter clutch scheduling. See if it does the same thing without changing how the engine is running. 1st to 2nd shift; no o. 6 pads mounting. Joined Mar 2, 2009 · 654 Posts. Just as quick as it happened, it’s gone until. Question type: General. My mechanic tried three times to source the problem without success. An automotive professional can inspect the vehicle's front end to locate the source of the clunk.
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