6l80e torque converter problems. But im quite sure the torque converter is f*cked too.

6l80e torque converter problems which also cause the failure. Dec 19, 2013 · 6L80E Torque Converter failures on K2XX platform (2014-2019 GM Truck) have skyrocketed & will eclipse Converter failure rates in GMT900 platform (2007-2013 GM Truck) by a huge margin. If any of these worn out, the torque converter is likely to fail. In this Drivetrain 101, we’ll analyze all of its most prolific problems, solutions and upgrades. Torque Converter Concerns. . The 6L80/90 is plagued by two major issues: A. The 6l80 torque converter may fail due to worn-out components. I'd like to know how many K2XX truck owners we have here with over 175,000 miles on their original 6L80E? I Apr 17, 2022 · The Problem of having “Delayed Forward and Delayed Reverse” in the 6L80 Transmissions may NOT just be a Problem with Malfunctioning TEHCM Switches, but may also involve LEAKS from Damaged Switch Films. There are also other reasons like aging, bad oil, etc. Upgrading to a high-performance converter enhances heat management, torque multiplication, and durability, addressing common failures. Learn why replacing your 6L80’s torque converter is crucial for longevity. So Replacing TEHCM may NOT actually be Necessary! Part 1: The Basics of the TEHCM Switch Film Problems: Jan 13, 2025 · SUMMARY: The 6L80 transmission, a reliable 6-speed GM system, can develop performance issues due to its stock torque converter’s wear. No codes at all are being thrown for the powertrain. This was at 10,000 miles. In 8 cylinder mode it only slips 1/2 as much as 4 cylinder mode. 3 SLT crew cab 4wd with the 6L80E, the motor is getting a stock style non-DOD cam, just looking for longevity and good drivability, I plan on keeping the truck for a long time, especially if I’m getting some of the big issues like AFM and a torque converter out of the way. Other common 6L80E transmission problems include: Dec 23, 2021 · This transmission has been on its last leg for quite a while. com Jan 22, 2022 · It keeps your engine in 8 cylinder mode. Once the TCC fails, it takes out the 6L80 with it, requiring a rebuild and a new torque converter. Your torque converter is made to constantly slip somewhat all the time. The magnet had See full list on transmissionrepaircostguide. May 31, 2022 · This guide will go through some of the GM 6L80 problems in detail along with some of the fixes. The torque converter (namely the plate the lock up clutch is bonded to inside of the converter) is prone to fail (lockup clutch plate flexes with heat cycles and miles…and creates fine metal shrapnel that is suspended in the fluid) and the fine metal shrapnel wipes out the transmission pump B. Of course if you want the maximum life of your new converter, have it tuned to totally eliminate the converter clutch slip. Excessive high or low line pressure due to a binding slide (pump pocket distortion). Oct 11, 2024 · These problems include concerns with the torque converter, valve body, and solenoids. Apr 16, 2025 · 6L80E Transmission Issues: Common Problems and Solutions The 6L80E transmission fills a much needed duty gap between the versatility of the 4L series and the Allison variety. 3/6L80 suddenly started occasionally 'bucking', just like a random misfire. Other common issues include pressure regulator valve failures, clutch symptoms, cracked drum problems, and harsh shifts. Repeat torque converter damage/ failure due to insufficient input shaft and stator clearance. He took it to a transmission shop that did This gearbox was designed to handle the torque output of some of GM’s biggest V-8 engines. If you sat in my truck when it did it, you would say beyond the shadow of a doubt that the torque converter is locked, I've even stalled the 7. What Are Some of the Common Issues with 6L80 Transmission? The 6L80 has had a load of transmission problems, some of which directly inhibit drivability. Sonnax has the answer. It is made of housing, bearings, pumps, impellers, etc. 3L w/ 6L80E) that is experiencing pretty bad shudder at lower RPM under load when the torque converter clutch is engaged / locked. That seemed to solve the chugging problem. This transmission can be used Jun 24, 2021 · And when the turbine shaft O-ring and valves in the pump are good, a visual inspection is made with the upper ring on the turbine shaft and the bushing in the stator, particularly the one on the converter end of the stator support shaft. But im quite sure the torque converter is f*cked too. Oct 13, 2023 · Problems that could occur may include (but are not limited to) the following: Pump rotor damage (cracked) Premature pump wear due to distortion. Jan 2, 2025 · To be precise, the problem is the way GM tuned the 6L80's torque converter clutch to behave during lockup. Become a 6L80-E transmission expert now! Oct 23, 2023 · It’s a 118K mile 2018 5. For the last year or so I have noticed that the torque converter unlocks and locks frequently at freeway speeds. 3 a handful of times when the converter wouldn't let go as i was standing on the brakes. Mar 31, 2020 · In 6L80, 6L90 units, an inherent torque converter problem might be the root cause of a lot of the transmission failures. It ended up being the torque converter coming apart, and the only sign when dropping the pan was a film of aluminum 'dust' at the rear of the deepest part of the pan. Premature clutch failure is a very common problem on the 6L80E. The General Motors 6L80-E transmissions are among the most diverse and capable transmissions of their time; being used in everything from exciting muscle cars to family SUV’s. Mar 2, 2004 · I have a buddy that owns a 2014 GMC Sierra SLE w/ around 165K (5. How do you know if a torque converter is bad? Torque converter connects the Feb 12, 2022 · The cause was "intermittent tcc delamination causing scoring on fluid pump". They replaced the torque converter, cover housing and pump cover along with a flush. Some of the most common issues include: Cracks in the 1-2-3-4 pistons; Slipping 2 nd and 3 rd Aug 22, 2018 · As some of you know, my 2011 LT 5. The torque converter in a 6L80 transmission is crucial for smooth gear shifting and overall performance. When all these items are good, and nothing is discovered, the torque converter is replaced. But unfortunately, a number of design flaws led to many of the most common 6L80E transmission problems. All previous GM transmissions had been based on hydraulic controls with more electrical aspects with each upgrade, but this unit was developed as a electro/hydraulic controlled transmission. Even changing the ATF every 35k miles only delays the TCC's eventual failure. qdeh gpgh udwnz wnvadpp qoxkf skadyh facsi snls toa gbozn hujfom ecwhs bxpdltabt qjvuqt blkcn