6l80 torque converter shudder

TRANS_ONE TO-C62HS Remanufactured 6L80E 6L80 6L90E 6L90 Silverado, Sierra, Yukon. That is why TSB #18-NA-355 is requesting a screen print of either a GDS2 Session showing TCC slip, GDS Special … On the highway truck rode great. Torque converter changed and all was good. Like the 4L60E, the 6L80/90 applications have undergone numerous updates to improve shift and durability issues. With quality steel housings and internal components, ACDelco torque converters are sure to deliver the performance and … Feels like an engine miss, but it's only when the converter is locked. I have more questions but I'll wait until I know your wheel size. 2017 Silverado w/ 6 Speed Possible Torque Converter Shudder. 19366637 (2400-2800k-stall torque converter) PART NO. Check out our billet torque converters for 700R4, 4L60E, 200-4R, 4L80E, 6L80E, TH400, 4R70W, 4R100 and 48RE transmissions. Since then I haven't felt any shudder granted I've driven just over 500 miles since the repair. I could but the cost would scare your dealer to death!!! ACDelco new torque converters are GM OE replacements that offer the same performance, durability, and service life you've come to expect. View as Grid List. I just bought the truck a few weeks back and noticed while driving it back to the dealership from their overflow lot it had a vibration/shudder that I could feel in the steering wheel between say 35-55 mph felt like rumble strips but a little more subtle. The 6L90 With over 30 years of experience we can meet all your demands and exceed expectations!! 2017 Sierra 6.2 8 speed max tow. Joined Mar 20, 2005 Location Falls Church, VA. Nov 14, 2020 Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, street/strip, hot rod, street rod and towing 6L80 - GM - Breakaway - Street/Strip - Torque Converters This stall converter is balanced, has furnace brazed fins, bearing construction and a wider carbon fiber clutch. per page. Welcome. They also serve to pump the transmission fluids to the outside of the mechanism. Is there something that can be adjusted to try to tune out the shudder or slipping or whatever might be going on? Related Torque Converter Units. In 3rd or 4th gear under a load like when going up a decent hill, I can feel some shuddering or slipping of the torque converter. Maybe I can figure out how to make it unlock sooner. A torque converter shudder vibration may be induced by the torque converter clutch in normal driving mode (with an expected TCC slip amount) and is most often due to TCC friction material/ATF degradation). Number 88-6L80-1. Remember, a torque converter is a coupler between the engine and transmission. Along with the frictions, a calibration update is needed when back servicing units New Part Number: • 24235460 – Clutch Plate Note: Will back service previous model years 6L80 - UPDATE . A new replacement torque converter costs between $100 and $400, depending on the vehicle model and converter type. Yank It & Get Off Quicker . 1 offer from $591.85. Just as quick as it happened, it’s gone until it happens again. Most full-size trucks and SUVs with a 6L80, 6L90 use a JMBX full-size (300mm) style converter. They are without a doubt the worst tires to balance I have ever seen. Next page. GM 278mm HP 6L80 LS Torque Converter Previous product GM 300mm HP 6L80 LS Torque ... Next product GM 300mm HP 6L90 CTS-V/ZL1 ... Home / Converters / GM / 6L80/90 / HP Series / GM 278mm HP 6L80 LS Torque Converter. 11 GM 6L80 Automatic Transmission 5.3L 4x4 63K 24245017 Tested Silverado Sierra. It generally occurs at part throttle and light acceleration, between 15 and 50 miles per hour, just before the shift to one of the top gears where the converter reaches "lock-up." Typically, the shudder will occur during light throttle operation at 20-80 mph (typically 40-50 mph) with the transmission between 122°F – 158°F (50°C – 70°C) operating temperature. Most of the time it is a stuck Torque Converter Clutch (TCC) solenoid, but this is not the only cause of this problem. … A Tip to Protect Your GM 6L-Series Converter Build . as the title states, I believe I am in the market for a torque converter I am fairly certain mine is taking a shit (stock transmission) 2012 yukon xl denali AWD @130k looking online the 278mm Circle D comes up often I am not currently planning on doing launches or other ridiculous stuff but I do drive pretty hard so a slight seat of the pants performance is nice but … Can also be ordered with a stall speed of 1800 RPM for towing, 4WD and … Need some insight. In April 2017, GM issued PIE0405 entitled, “Engineering Information—Torque Converter Shudder,” a bulletin that was updated in September 2017. I personally haven't understood people who don't lock the converter down low in 3rd and up, but I also have 350 lb-ft at 2000 RPM in a 2800 lb car. Seems to be okay … Remember, a torque converter is a coupler between the engine and transmission. Torque converter shudder is a shudder or brief shake in the vehicle after internal clutches apply in the torque converter. F-BODY Camaro. Specifically, the 18-NA-355 TSB addresses “torque converter clutch (TCC) shudder conditions” for the 8L45 and 8L90 eight-speed automatic transmission, RPO … Does anyone know if ... SilveradoSierra.com - Chevy Truck Forum | Silverado Sierra GMC Truck Forums The only site focused on Silverado/Sierra trucks exclusively. COMP Performance Group will be in attendance at many of the largest races & car shows across the country. Aftermarket LED lamps cannot be used. This is an additive to the transmission fluid to prevent a ‘shudder’ feeling during a torque converter clutch operation. 6L80E CHEVROLET SUBURBAN TESTED TRANSMISSION INCLUDING TORQUE CONVERTER. We have developed a full line of billet torque converters with lock-up for General Motors, Ford, and Dodge transmissions for applications ranging from improved factory performance to all out competition. Yeah, I was having the same issues with my 6L90. If a car that is experiencing shudder is not serviced early, the torque converter clutch material could become burnished and may require a torque converter replacement. 6L45/6L50/6L80/6L90 Torque Converter 6L45/6L50/6L80/6L90 Torque Converter Family: Torque Converter Remanufacturing Standards GM 6L45 / 6L50 / 6L80 / 6L90 . Bet I make them feel stupid real fast! Introduced in 2006, the 6L80 is a popular, 6-speed, RWD transmission produced for more than 8 million trucks, SUVs and cars. The pump of the torque converter is made up of small fins that make the connection to the flywheel possible. Re: Torque Converter Shudder Aug 30 2019, 7:25pm Well, they used a GDS2 for the TC shudder and found none but the tech did notice delayed engagement when coming to a stop. This time, only fluid change. There is … I have exstensive knowledge of NVH diagnosis in regards to GM vehicles and even more so in the 14+ trucks. 6L80 (300mm), Single-Plate Performance Converter Torque Converter View Parts. In any case, the shudder is caused by discontinuities in the torque provided by the engine, and the locked converter clutch allows these to be felt by the driver. That particular TSB only applies to the 2 Mode Hybrid automatic transmission (M99) not the 6L80 (MYC) or 6L90 (MYD). I see the ramp in D2216 and some TCC slip tables that I feel might be able to help some of this, but I'm not sure where I … The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2-3-4, or 3-5 reverse clutch, check engine light (DTC P0751 Code), converter shudder due to flaking of the converter lining, shudder on low/reverse apply, TEHCM and/or CAN software malfunction. This manual contains procedures necessary to diagnose, overhaul and/or repair the new 6L80 (6 Speed) transmission from General Motors. Is there something that can be adjusted to try to tune out the shudder or slipping or whatever might be going on? I also increased the TCC pressure ramp in rate, and the TCC pressure (this is the only parameter changed that is not available in EFILive). [My torque converter] failed at 16000 miles and the one they replaced will likely fail again in another 16k miles. Is the ECM tune modified...? I have seen the TSB 16-NA-175 related to shudder for 8 speeds but have been unable to find anything on the 6 speeds. Find ACDelco 24263358 ACDelco New Torque Converters and get Free Shipping on Orders Over $99 at Summit Racing! PART NO. $1,799.99. TCC shudder shows up as a first order vibration that is slightly slower than engine speed and if the tech didn't look at the engine speed side of the data it could have easily been overlooked. This converter can be ordered with stall speeds of 1400-2800 RPM. I'd like to try increasing the TCC lock-up pressure (not the ramp-in) but it seems I can't figure out how to do that ... Those parameters are not available in EFILive. Wish List ... TCI® Triple-Disc, Bolt-Together Torque Converter for GM 4L80E Applications; TCI® Takes Racing Drivetrain Innovation To The Street; View More. This manual contains procedures necessary to diagnose, overhaul and/or repair the new 6L80 (6 Speed) transmission from General Motors. This creates a vacuum that in turn delivers more fluid to the central part of the device. MUSTANG. The slipping occurs while you're driving or changing gears, and it usually comes with some odd noises too. I reworked your stock TCM tune ... set the TCC slip RPM to zero for all gears (like a Corvette) given that you don't have AFM. I have seen the TSB 16-NA-175 related to shudder for 8 speeds but have been unable to find anything on the 6 speeds. Install Guide - 6L80 & 6L90 - GM (Automatic Transmission) INSTALL_6L80.pdf (200 KB) INSTALL_6L90.pdf (200 KB) ... Torque converter clutch application must be checked at less than 30% throttle. The GM Hydramatic 6L80 transmission heralds a significant change in the design of automatic I have seen the TSB 16-NA-175 related to shudder for 8 speeds but have been unable to find anything on the 6 speeds. GM has put a tremendous amount of engineering resources into this issue, looking at the torque converter, updated calibrations, redesigning mounts and … If it comes down to it, I will probably just try to unlock the converter at the specific speeds/TPS% conditions it's doing it under (it's very consistent!) I drive a 2011 GMC Sierra 2500HD ex-cab 2wheel drive with a 6.0 gas engine and a six speed 6L90 automatic transmission. If this happens, the fluids inside might spill or get dirty. Number 88-6L80-1. TP% unlock maybe? The SuperMatic 6L80-E comes in two kits: one that includes a 2400-stall torque converter (P/N 19366637) and one that includes a 3000-stall converter (P/N 19417102). The manager told me that the change of fluid has fixed all of the vehicles at that dealership. Jul 14 2017, 12:48pm. Need some insight. 100% custom Damper modification to improve internal balance, clearance, and end play; 100% custom Damper modification to improve seal installation and function The TCM also controls the apply and release of the torque converter clutch which allows the engine to deliver the maximum fuel efficiency without sacrificing vehicle performance. However, in some cases, the shudder, fish bite, chuggle, surge or vibration is caused by something other than the torque converter clutch. Jul 14 2017, 12:48pm. Also featuring a torque converter, the transmissions come with a complete master overhaul kit with new gaskets, seals, rings, and pistons. It's used by GM in about 20 models, most widely in the Chevy Silverado, Tahoe and Suburban, the GMC Sierra and Yukon, and the Cadillac Escalade. As with earlier Hydramatics, the 6L80 will accept either the 258mm or 300mm torque converters. Its job is to smoothly convert engine torque … Also featuring a torque converter, the transmissions come with a complete master overhaul kit with new gaskets, seals, rings, and pistons. What size are your wheels? Clutch Shudder Condition Low/Reverse Clutch Plates – Friction update was done to improve the Low/Reverse clutch apply (Shudder Complaint). Free shipping . 6L80E / 6L90E Power Raptor Torque Converter. Most of the time it is a stuck Torque Converter Clutch (TCC) solenoid, but this is not the only cause of this problem. I also had the valve body wear problem referred to by @Pᴀᴜʟsᴛᴇʀ2, but it didn't cause a shudder, just a check engine light and a failure to go into lockup. This converter can be ordered with stall speeds of 1400-2800 RPM. I took the vehicle back on 12/7 /18 with the same complaints…They had to replace the torque converter…I picked it up on 12/22/17, issue with the transmission was still not resolved…Owners with the same issues are being told gm knows but can't fix transmission issue.” — Sophia, NC, March 22, 2018 Events. 2017 Silverado w/ 6 Speed Possible Torque Converter Shudder. This is bad. If the vibration is felt in the steering wheel it typically is not the TCC. I just bought the truck a few weeks back and noticed while driving it back to the … View Full Version : 6L90E shuddering when converter locked and under load. 5.0 out of 5 stars 4. Good call on ditching the Goodyear tires!!! 3500 miles. They could always send me the pico scope files and let me weigh in from afar. The slipping occurs while you're driving or changing gears, and it usually comes with some odd noises too. Other sources of a vibration include insufficient damping or isolation of the engine or driveline, an irregular combustion event, and Active Fuel Management (AFM) … GM 258mm Pro Series 6L80E Torque Converter $999.00 Pro Series Billet Torque Converter Converter Diameter - 258mm - 10 1/4" Available in stall speeds from 2800 - 3700 rpm Buy in monthly payments with Affirm on orders over $50. It has been described as a feeling similar to running over the rumble strips on a road. Does anyone know if the 6 and 8 speeds use the same converter? Sent from my iPad using Tapatalk Re: so whats the final fix for the 8l90e shudder. Our high-performance transmissions —including GM 6L80 (level 1 and 2) and GL90 — are built to the horsepower, torque, and rear gear ratio specs of the engine that it will be matched to. If the torque converter’s seal has malfunctioned, then it would cause the entire mechanism to operate at a much higher temperature. This contaminated fluid might even reach and damage other parts of your vehicle. Like […] A nice … Show. 6.0L, 6.2L 2100-2400 HIGH STALL HEAVY DUTY Torque Converter - JMBX $429.00 6L80 Chevy Pontiac Hummer Transmission Performance Raybestos Stage 1 Master Rebuild Kit 2000-On 6L80, 6L90 Torque Converter Tech Advisory: Inner Stator Race Edge. A faulty clutch solenoid could be another cause of a broken torque converter. If the converter is in full lockup (0 RPM slip), such as when engine speed exceeds 1600 rpm, the shudder will disappear. The 6L80 also is found in the Chevy Corvette and GMC Hummer. I have seen the TSB 16-NA-175 related to shudder for 8 speeds but have been unable to find anything on the 6 speeds. $429.00 6L80 Chevy Pontiac Hummer Transmission Performance Raybestos Stage 1 Master Rebuild Kit 2000-On. The torque converter is a fluid turbine drive and - like those on its predecessor transmissions, the TH350C, 700R4, 4L60, and 4L80E - features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. Sort By. It's mainly in 5th when going up a grade. Need some insight. Cart ( ) Home My Account About Us Help Contact Us. The TCM also controls the apply and release of the torque converter clutch which allows the engine to deliver the maximum fuel efficiency without sacrificing vehicle performance. TRANS_ONE TO-C62HS Remanufactured 6L80E 6L80 6L90E 6L90 Silverado, Sierra, Yukon. I have started noticing what I believe is called "shudder… 2015 Reg cab, 2wd, 5.3l, On3 single turbo, E85 conversion, 4.10 rear gear, and HP Tuner software. If this part does not function as … Any ideas? What other items do customers buy after … Is there something that can be adjusted to try to tune out the shudder or slipping or whatever might be going on? Learn More; … New 2019 zr1 1500 miles fluid swap, 15,000 miles new torque converter, 31,314 miles new torque converter, 31,840 miles and five days later back in shop shudder worse than ever. Shudder returned August 2019. Thread starter orange150; Start date Nov 14, 2020; orange150 Well-Known Member. I even took it to my local shop (small town) and the guys there didn't know what to do with it... Powered by vBulletin® Version 4.2.5 Copyright © 2021 vBulletin Solutions Inc. All rights reserved. In 3rd or 4th gear under a load like when going up a decent hill, I can feel some shuddering or slipping of the torque converter. by bigrob15876 [OP] » Jul 14 2017, 1:48pm, silverado tires right make back think shudder speed possible torque converter same truck work still, Users browsing this forum: No registered users and 48 guests. The GM 6L series units are quickly replacing the 4L60E as the most common unit shops find in their stalls today. This converter fits both the 6L80 … This converter fits both the 6L80 … Still has shudder even though converter replaced and new type fluid installed. The Pro Series Torque Converter line steps up to our custom billet parts and is offered in a single and multi disk option. General Motors truck transmissions allegedly jerk, slip, shudder and suffer acceleration problems. 6 speed/8 speed RWD/FWD Transmission Tuning (incl T43, T76, T87), 6L90E shuddering when converter locked and under load. The manager said that the old fluid allowed the torque converter to slip causing the shutter. Set Descending Direction. August 29, 2018 — GMC Canyon and Chevrolet Colorado … but was hoping to find a fix in the tune rather than disabling a ... feature. I ask because we seem to see the 18-20 inch and bigger increase the magnitude of the vibration more than the 17s. I could also feel it very seldomly in the floor boards but not bad. 1 Item . Featured on Meta Goodbye, Prettify. mines a 6 speed and there is a updated computer program for it. LT … 6L80E Power Raptor Torque Converter, Full Size Non-Billet. You can expect a total torque converter replacement cost of 300$ to 1500$. The labor cost to replace the torque converter is between $200 and $1000, depending on the vehicle model, and the workshop will make the work. 6.0L, 6.2L 2100-2400 HIGH STALL HEAVY DUTY Torque Converter - JMBX . The PICO is an amazing tool in the right hands. Remember, a torque converter is a coupler between the engine and transmission. General Motors has issued a few Technical Service Bulletins (TSBs) relating to this problem. Most torque converter shudders happen at about 45MPH. If the misfire condition is remedied, and it remains a true transmission issue, then it can be the torque converter causing the shudder. The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2-3-4, or 3-5 reverse clutch, check engine light (DTC P0751 Code), converter shudder due to flaking of the converter lining, shudder on low/reverse apply, TEHCM and/or CAN software malfunction. It is similar to running over a rough spot on the road or running over a cattle guard. I feel like the converter is trying to hold on too long, like it shouldn't even be locked when it does this. A malfunctioning torque converter can have a shudder that comes from the transmission. 5-6TH GEN/g8/ZL1 TRUCK & sUV GTO/cTS-v IMPALA SS/GRAND NAT. It rattled and rocked badly. The Pro Series Torque Converter line steps up to our custom billet parts and is offered in a single and multi disk option. Customer complaint was a shudder at low speeds and eventually had no forward gears. Corvette. August 05, 2020. If the converter is in full lockup (0 RPM slip), such as when engine speed exceeds 1600 rpm, the shudder will disappear. Our high-performance transmissions —including GM 6L80 (level 1 and 2) and GL90 — are built to the horsepower, torque, and rear gear ratio specs of the engine that it will be matched to.
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