Hydra matic 6l80 problems

Hydramatic. A Hydra-Matic Drive transmission, produced between 1939 and 1956, on display at the Ypsilanti Automotive Heritage Museum. Hydramatic (also known as Hydra-Matic) is an automatic transmission developed by both General Motors ' Cadillac and Oldsmobile divisions. Introduced in 1939 for the 1940 model year vehicles, the Hydramatic was ...

Apache Rockets and Chain Gun - Apache rockets work with a variety of warhead designs and can be launched individually or in groups. Learn about Apache rockets and the Apache automa...Overview. The Hydra-Matic 6L80 is six-speed automatic transmission for rear-drive cars, designed with modular flexibility and compatibility with advanced electronic controls. It was introduced for the 2006 Model Year Cadillac STS-V high-performance rear-drive sedan, and the XLR-V and Chevrolet Corvette two-seat sport coupes and convertibles.6L80/6L90: Issues That Could Drive You Crazy. October 13, 2023. 5,102 Views. 9 Min Read. By now, most major shops have had enough exposure to 6L80 transmissions to realize that they will be around for quite some time, providing plenty of work. Patterned failures for this unit have been covered in previous editions of GEARS …The new Hydra-matic 6L80 (6 Speed) is a fully automatic, six speed, rear wheel drive, electronically controlled transmission that features clutch to clutch shifting. It consists …The Hydra-Matic 6L80 six-speed automatic transmission is mated to the Vortec 6.2L V8 (L92) engine in the 2008 model year Hummer H2 and SUT. This new application is equipped with a transmission-mounted transfer case to direct power to both rear and front axles. Modular Design for Application Flexibility.

By identifying paint problems, you can prevent them from recurring with your new painting project. Learn to spot various problems with this article. Advertisement Painting the whol...Chevrolet testing has shown the ZL1 with the available 10-speed has faster shift times than the Porsche PDK dual-clutch transmission. In fact, the 1-2 upshift is 36-percent quicker than the PDK, while the 2-3 and 3-4 upshifts are 27-percent and 26-percent quicker, respectively. “You touch the paddle and the gear changes with immediacy ...Subject: New Product Announcement -- Hydra-Matic 6L80 Automatic Transmission. Model(s): 2006 Cadillac STS-V, XLR-V 2006 Chevrolet Corvette with 6L80 Automatic Transmission (RPO MYC) Attached below is the PDF document for this service bulletin. General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer".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. Also featuring a torque converter, the transmissions come with a complete master overhaul kit with new gaskets, seals, rings, and pistons.The Hydra-Matic 6L80 is the first member of a new family of fully automatic, six-speed, clutch-to-clutch, rear-wheel drive, electronic-controlled transmissions that General Motors will be offering. The transmission consists primarily of a four-element torque converter, an integral fluid pump and converter housing, a single and double planetary ...I am having a problem with the Hydra-Matic 6L50 six-speed automatic transmission in my 2017 Chevrolet Colorado with the Baby Duramax engine. ... i have a 2018 canyon 2.8 diesel. i ed the forum and find torque converter problems. i changed the fluid at 5k,20k and 50k with the 50k service including a filter. noticed a shudder yesterday …

GM 8L 45 · 8L 90. The Ford–GM 10-speed automatic transmission is part of a joint venture between Ford Motor Company and General Motors to design and engineer two transmissions: a longitudinal 10-speed transmission and a transverse 9-speed trans-axle. Each company manufactures its own unique version of the transmissions in its own factories.Get free real-time information on CHF/MATIC quotes including CHF/MATIC live chart. Indices Commodities Currencies StocksThe 6L80 / 6L90 TEHCM is located inside of the transmission on the 6L80 / 6L90 valve body. Objectively, it is a fairly simple repair: simply remove the transmission pan, remove the valve body, unbolt the TEHCM from the valve body and install the new one. But it does take a bit of experience to not damage anything on the valve body or inside the ...Android: Constantly scanning for Wi-Fi networks can be a big battery drain. Wi-Fi Matic reduces this problem by only enabling Wi-Fi when you're near a network you frequently connec...GM Hydra-Matic 8L90 and 8L45 transmissions allegedly make driving dangerous. May 24, 2023 — A General Motors transmission lawsuit is on hold after the judge sent the allegations to arbitration ...

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4L80-E A Hydra-Matic 4L80 transmission at the Ypsilanti Automotive Heritage Museum. The 4L80-E (RPO MT1) is rated to handle engines with up to 440 ft·lbf (597 N·m) of torque. The 4L80-E is rated to a maximum GVWR of 18,000 lb, depending on the axle and vehicle.. The 4L80-E uses two shift solenoids, initially called Shift Solenoid A and Shift Solenoid …Hearing problems can be temporary or permanent. About 2 or 3 out of every 1,000 children in the U.S. are born deaf or hard-of-hearing. Most children hear and listen from the moment...They are not my problem; they are my children. And if ever my seemingly incessant complaining and confessional-style oversharing has lead you to believe otherwise, let me clear thi...This manual contains procedures necessary to diagnose, overhaul and/or repair the new 6L80 (6 Speed) transmission from General Motors. CONTENTS. GENERAL …Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors.These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse.. The Turbo-Hydramatic or Turbo Hydra-Matic …

Vic50. My 1950 Olds 76 “Big 6” Hydromatic Transmission was working fine this summer. Im in New York, and the colder it gets the longer it takes for my car to shift into 4th - the highest gear in Drive. Once it does shift to 4th the rest of the drive is fine. Today I drove about 15 minutes before it would shift to 4th.Models: 2006 Chevrolet Corvette with 6L80 Automatic Transmission (RPO MYC) Purpose. This bulletin introduces and highlights features of the new Hydra-Matic 6L80 Automatic Transmission. Introduction. The Hydra-Matic 6L80 is the first member of a new family of fully automatic, six-speed, clutch-to-clutch, rear-wheel drive, electronic …Get free real-time information on MATIC/JPY quotes including MATIC/JPY live chart. Indices Commodities Currencies StocksNov 21, 2006 · Overview. The Hydra-Matic 6L80 is six-speed automatic transmission for rear-drive cars, designed with modular flexibility and compatibility with advanced electronic controls. It was introduced for the 2006 Model Year Cadillac STS-V high-performance rear-drive sedan, and the XLR-V and Chevrolet Corvette two-seat sport coupes and convertibles. The Hydra-Matic 6L80 is a six-speed automatic transmission for rear-drive cars, designed with modular flexibility and compatibility with advanced electronic controls. It was introduced for the 2006 Model Year Cadillac STS-V high-performance rear-drive sedan, and the XLR-V and Chevrolet Corvette two-seat sport coupes and convertibles.Solenoid DTC’s – GMC Sierra 1500 6L80E. Problem – A number of diagnostic trouble codes, including P0776, P0796, P2714 and P2723, can be caused by a pressure leak at the end of the clutch regulating valve. Solution – The bore plug will have to be replaced with updated versions, or modified to accept an O-ring kit.Subject: New Product Announcement -- Hydra-Matic 6L80 Automatic Transmission. Model(s): 2006 Cadillac STS-V, XLR-V 2006 Chevrolet Corvette with 6L80 Automatic Transmission (RPO MYC) Attached below is the PDF document for this service bulletin. General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer".The input torque for a 6L80 transmission is 440 foot-pounds, while the 6L80's maximum output torque is an impressive 664 foot-pounds. Similar to the majority of transmissions manufactured by GM, the 6L80 Turbo-Hydramatic transmission has a capacity of between 10 to 12.6 quarts of Dextron VI fluid, dependent on the application. The 6L 50 (and similar 6L 45) is a 6-speed longitudinally-mounted automatic transmission produced by General Motors.It is very similar in design to the larger GM 6L 80 and 6L 90, and is produced at GM Powertrain plants in Toledo, Ohio; Silao, Guanajuato, Mexico; and by the independent Punch Powerglide company in Strasbourg, France. Our optional Premium Service Plan provides allowances for such items as towing, car rental, fluids and premium labor should a problem arise. Click here for details and limitations. If you have any questions or need help, feel free to contact our team. 800-827-7455.6L50 shudder fix. I have now successfully fixed 6 vehicles with the 6L50 transmission. 2 gasser Colorados, my diesel Canyon, a BMW and a Camaro. If anyone one is interested I will do a tutorial on exactly what you need to do. So far this has fixed shudder and hard shifting issues in all 6 vehicles. 2016 Dirtymax Canyon.

FLUID CHECK PROCEDURE. 6L80 / 6L90 transmissions do not typically use a dipstick. Proper fluid level is achieved when fluid begins to drip from the Level Control Plug opening. Verify vehicle is on level ground when performing fluid level check procedure. Verify drive wheels are blocked and parking brake is applied.

Compared to the 4L60E GM bolted into C5 Corvettes and fourth-gen F-bodies, the 6L80E is one brute of a transmission. In GM speak, the "6" in 6L80E denotes the number of forward speeds, while the ...Information about GM's 6-speed 6L80 MYC Hydra-Matic transmission, including details, specifications, vehicle applications, and more.A Look at the GM 6L80; Part 1 A Look at the GM 6L80 ; Part 1 by Steve Garrett Cadillac STS-V Hydra-Matic 2006 6L80 (MYC) Six Speed RWD Automatic Transmission Introduction The first of ten new 6-speed automatics, the 6L80 was introduced for the 2006 model year (Figure 1). ... That’s enough for this issue; in the next issue of GEARS, we’ll ...Oct 1, 2020 ... ... GM. Specific problems have been ongoing and ... GM 8L45/90 Eight Speed RWD: Part 2 here: https ... 6L80/6L90 transmission ITS NOT LOOKING GOOD...2006-2015 GM Passenger Cars and Trucks equipped with 6L80 or 6L90 Automatic Transmission (RPO MYC or MYD) Condition. After installing the service pump cover P/N 24248573, a transmission may have low line pressure. If the low line pressure is not identified and corrected, clutches may be damaged during operation.Problems with Professional Carpet Installation - There are certain problems associated with professional carpet installation. Visit HowStuffWorks to learn more. Advertisement As we...In simple terms, the 6L50, 6L80, 6L90, 6T70, 6T75, 6T80 all use the same design TEHCM. Let me explain before you get upset and rip this page out of the magazine. The TEHCMs for all applications use different part numbers, which means they may not be interchanged with another part number, but all of the TEHCMs are manufactured by …6l80 transmission problem. have a 13 tahoe transmission went out installed a used 6l80 . From a 13 silverado. Everything seemed to be working good however after you go over 40 then come to a stop it feels like somone is rear ending you. I was wanting to know if this transmission needs to be reprogrammed ,flashed or relearned .Problems with no overdrive can happen because faults associated with these two solenoids. Corroded, loose, oily connectivity. The computer supplies voltage through one pin. (Pin E) The easiest place is to check at the passthrough connector. The computer controls the solenoid through ground. It will switch off by denying ground at the …

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Overview. The Hydra-Matic 6L80 is six-speed automatic transmission for rear-drive cars, designed with modular flexibility and compatibility with advanced electronic controls. It was introduced for the 2006 Model Year Cadillac STS-V high-performance rear-drive sedan, and the XLR-V and Chevrolet Corvette two-seat sport coupes and …Information about rebuild transmission GM 6L45 /50, 6L80 /90. 6L 45/6L 80 is a compact, hi-tech and reliable transmission, which features an automatic control over most of gearbox functions. This improves both acceleration performance and fuel economy. When properly operated and regularly maintained, this gearbox is able to reach the point over ...The new Hydra-matic 6L80 (6 Speed) is a fully automatic, six speed, rear wheel drive, electronically controlled transmission that features clutch to clutch shifting. It consists primarily of a four element torque converter, two planetary gear sets, five clutch packs, one sprag and a hydraulic pressurization and control system. The General Motors 6L80-E & 6L90-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. In this Drivetrain 101, we’ll analyze all of its most prolific problems, solutions and upgrades. Become a 6L80-E and 6L90-E expert now! The 6L80 transmission fluid capacity depends on which torque converter is installed. Most full-size pickup trucks and SUVs have a 300 mm 6L80 torque converter, while light duty applications often have the 258 mm torque converter. 6L80 fluid capacity with the 258 mm torque converter: 9.7L/10.25 qt. 6L80 fluid capacity with the 300 mm torque ... 6L80E 6L80 Transmission. $ 3,295.00 Original price was: $3,295.00.$ 2,495.00 Current price is: $2,495.00. The 6L80E transmission is now for sale at our lowest price! We pull out all the stops with our Hydra-Matic 6L80 build. From its clutch packs helical cut gears to its performance Built lock-up torque converter you won’t find a better deal ... Sep 10, 2021 ... Comments28 ; GM 6L80 removal Step By Step converter failure. Express Auto & Transmission David Lee · 102K views ; Sonnax 6L80/90 Torque Converter ....Subject: New Product Announcement -- Hydra-Matic 6L80 Automatic Transmission. Model(s): 2006 Cadillac STS-V, XLR-V 2006 Chevrolet Corvette with 6L80 Automatic Transmission (RPO MYC) Attached below is the PDF document for this service bulletin. General Motors bulletins are intended for use by professional technicians, not a …Jul 14, 2014 · Subject: New Product Announcement -- Hydra-Matic 6L80 Automatic Transmission. Model(s): 2006 Cadillac STS-V, XLR-V 2006 Chevrolet Corvette with 6L80 Automatic Transmission (RPO MYC) Attached below is the PDF document for this service bulletin. General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". ….

Cadillac has enjoyed a good reputation for producing quality luxury automobiles with few signficiant shifting problems with its automatic transmissions. Cadillac's transmissions ar...The new Hydra-matic 6L80 (6 Speed) is a fully automatic, six speed, rear wheel drive, electronically controlled transmission that features clutch to clutch shifting. It consists …Under the hood lurks a 6.0-liter V8 producing 361 horsepower and 385 foot pound-feet of torque. This powerplant is mated to a six-speed Hydra-Matic 6L80E automatic transmission. For added excitement, this transmission features Driver Shift Control.The 6L45E (GA6L45R) is a constructively modified 5L40 (which was actually replaced by the 6L45E in 2007 ). Mainly used with budgetary BMW-3 and X3 with engines 2.5l - 3.0L. 6L50, 6L80 and 6L90 transmissions may be considered as quite reliable RWD 6-speed gearboxes of GM series. European modifications 6L45 /R have been used since 2006 on BMW Х1 ...The revised Hydra-Matic 8L80 eight-speed ( RPO code MFC) will be paired with the turbocharged 2.7L I4 L3B gasoline engine, one of the four engines available for the 2024 Chevy Silverado 1500. The ...Overview. The Hydra-Matic 6L80 is six-speed automatic transmission for rear-drive cars, designed with modular flexibility and compatibility with advanced electronic controls. It was introduced for the 2006 Model Year Cadillac STS-V high-performance rear-drive sedan, and the XLR-V and Chevrolet Corvette two-seat sport coupes and convertibles.6L50 shudder fix. I have now successfully fixed 6 vehicles with the 6L50 transmission. 2 gasser Colorados, my diesel Canyon, a BMW and a Camaro. If anyone one is interested I will do a tutorial on exactly what you need to do. So far this has fixed shudder and hard shifting issues in all 6 vehicles. 2016 Dirtymax Canyon.6-speed 6L80 automatic: $3,899; 8-speed 8L90 automatic: $5,894; 10-speed Hydra-Matic 10L80 MF6 automatic: $5,700 ; Common Chevy Silverado 2500 or 3500 Transmission Problems . Chevy Silverado’s and its transmissions are known to have quite a few problems and it’s actually the most common problem their cousin, the Silverado 1500.Hearing problems can be temporary or permanent. About 2 or 3 out of every 1,000 children in the U.S. are born deaf or hard-of-hearing. Most children hear and listen from the moment...Drop-in USA-made hardened steel TCC regulator valve, scarf cut sealing ring, spring and O-ring. Drop-in pressure relief bushing, spring, ball and retainer. This TransGo 6T70-G2 SHIFT KIT® Valve Body Repair Kit fits 2013 and newer General Motors vehicles equipped with a GEN2 6T70, 6T75 and 6T80 automatic. Hydra matic 6l80 problems, 6-speed 6L80 automatic: $3,899; 8-speed 8L90 automatic: $5,894; 10-speed Hydra-Matic 10L80 MF6 automatic: $5,700; Common Chevy Silverado 1500 Transmission Problems. Chevy Silverado’s and their transmissions are known to have quite a few problems but it’s far from the only issue with these trucks., Our optional Premium Service Plan provides allowances for such items as towing, car rental, fluids and premium labor should a problem arise. Click here for details and limitations. If you have any questions or need help, feel free to contact our team. 800-827-7455., 6L80E 6L80 Transmission. $ 3,295.00 Original price was: $3,295.00.$ 2,495.00 Current price is: $2,495.00. The 6L80E transmission is now for sale at our lowest price! We pull out all the stops with our Hydra-Matic 6L80 build. From its clutch packs helical cut gears to its performance Built lock-up torque converter you won’t find a better deal ... , If the transmission is failing: It might skip gears. It could be slow to engage into drive. It is likely to start slipping. A smaller repair bill. If the transmission has likely failed (red alert!): The truck will not move – Sometimes called P-N-N-N-N-N (Park-Neutral-Neutral….), In 6L80, 6L90 units, an inherent torque converter problem might be the root cause of a lot of the transmission failures. Sonnax has the answer., Descarga Gratis el manual de la transmisión automática 6L80 PDF. Caja de cambios 6L80. El convertidor de par de 4 elementos contiene una bomba, una turbina, un plato de presión ranurado a la turbina y un estator. El convertidor de torque actúa como un acoplamiento fluido para transmitir suavemente la potencia del motor a la transmisión., Heredity. It is quite possible that thyroid problems develop more frequently in humans whose ancestors had any throat diseases or thyroid disease itself. In fact, one cannot claim ..., 6-speed 6L80 automatic: $3,899; 8-speed 8L90 automatic: $5,894; 10-speed Hydra-Matic 10L80 MF6 automatic: $5,700 ; Common Chevy Silverado 2500 or 3500 Transmission Problems . Chevy Silverado’s and its transmissions are known to have quite a few problems and it’s actually the most common problem their cousin, the Silverado 1500., The arrival of 6L80E transmissions – or Hydra-Matic 6L80 transmissions – on the automotive scene in 2006 showcased the considerable design change of the …, The new Hydra-matic 6L80 (6 Speed) is a fully automatic, six speed, rear wheel drive, electronic controlled transmission that features clutch to clutch shifting. It was first introduced in the 2006 Corvette with the 6.0L engine, Cadillac STSV/XLRV with the 4.4L engine, and is scheduled for Pick-ups in 2007, as shown in Figure 1. , The 6L 50 (and similar 6L 45) is a 6-speed longitudinally-mounted automatic transmission produced by General Motors.It is very similar in design to the larger GM 6L 80 and 6L 90, and is produced at GM Powertrain plants in Toledo, Ohio; Silao, Guanajuato, Mexico; and by the independent Punch Powerglide company in Strasbourg, France., Cadillac GMC Holden Hummer. The new Hydra-matic 6L80 (6 Speed) is a fully automatic, six speed, rear wheel drive, electronic controlled transmission that features clutch to clutch shifting. It was first introduced in the 2006 Corvette with the 6.0L engine, Cadillac STSV/XLRV with the 4.4L engine, and is scheduled for Pick-ups in 2007. , 6L50 shudder fix. I have now successfully fixed 6 vehicles with the 6L50 transmission. 2 gasser Colorados, my diesel Canyon, a BMW and a Camaro. If anyone one is interested I will do a tutorial on exactly what you need to do. So far this has fixed shudder and hard shifting issues in all 6 vehicles. 2016 Dirtymax Canyon., A new survey from PC Matic finds more people can't remember the last time they changed their online passwords and that's causing cyber security issues. When 1 in 4 or 25% of respon..., The input torque for a 6L80 transmission is 440 foot-pounds, while the 6L80's maximum output torque is an impressive 664 foot-pounds. Similar to the majority of transmissions manufactured by GM, the 6L80 Turbo-Hydramatic transmission has a capacity of between 10 to 12.6 quarts of Dextron VI fluid, dependent on the application. , Problem – Owners may experience an ATF leak coming from under the vehicle. Solution – This 10L80 transmission problem could be the result of a failed oil cooler line fitting retaining bolt. Used 10L80 vs. Rebuilt vs. Remanufactured. If you’re having problems with your 10L80 you’re going to want the most economical solution. , Information about GM's 8-speed 8L90 M5U Hydra-Matic transmission, including details, specifications, vehicle applications, and more. ... to fit the same space as the previous 6L80/6L90 family of ..., There are two super easy ways to tell whether or not the transmission is a 6L80E. Which one you use is going to depend on whether or not the transmission is in or out of the …, Another common problem seen on most wheel drive cars and four-wheel-drive trucks is that moisture gets trapped on the spline and destroys both the trans …, GM is offering a version of its new GM-developed Hydra-Matic 8L90 paddle-shift eight-speed automatic transmission in the 2015 Corvette Stingray (earlier post) and Z06.The 8L90, the replacement for the venerable 6L80 six-speed in GM’s lineup, is offered as well as standard on 2015 Chevrolet Silverado, GMC Sierra and GMC Yukon Denali/Yukon XL Denali models equipped with the 6.2L EcoTec3 V-8 ..., Exceptional torque rating. Developed with upgraded internal components, Chevrolet Performance’s SuperMatic 6L80-E 6-speed automatic transmission offers an exceptional torque rating of 650 lb.-ft. – a 45 percent increase over regular production versions of the 6-speed automatic. Find Dealer., Most full-size trucks and SUVs with a 6L80, 6L90 use a JMBX full-size (300mm) style converter. It’s a single-disc, non-captive clutch unit that is somewhat similar to late 300mm 4L60-E converters. When cutting the JMBX open, converter rebuilders report that a high percentage of units show extreme damage due to the clutch piston and front ..., Solenoid DTC’s – GMC Sierra 1500 6L80E. Problem – A number of diagnostic trouble codes, including P0776, P0796, P2714 and P2723, can be caused by a pressure leak at the end of the clutch regulating valve. Solution – The bore plug will have to be replaced with updated versions, or modified to accept an O-ring kit., Here is the gear ratio of the 6L80E automatic transmission: First gear — 4.027. Second gear — 2.364. Third gear — 1.532. Fourth gear — 1.152. Fifth gear — 0.852. Sixth gear — 0.0667. Reverse — 3.064. The 6L80E transmission’s RPO code is ‘MYC’ and is manufactured domestically in GM’s Michigan plant., Sep 6, 2020 · INTRODUCTION 6L80 (6 Speed) The new Hydra-matic 6L80 (6 Speed) is a fully automatic, six speed, rear wheel drive, electronic controlled transmission that features clutch to clutch shifting. It was ... , The GXP’s Corvette-derived, 415-hp 6.2-liter LS3 V-8 is paired with either a Hydra-Matic 6L80 six-speed auto or a Tremec TR6060 six-speed manual, the only stick offered in any G8., Electronic challenges exist when mixing and matching the 6L80 as they must be matched to their particular engine. In a similar vein, GM Gen. IV engines do not always take kindly to other transmissions such as …, The 6L 50 (and similar 6L 45) is a 6-speed longitudinally-mounted automatic transmission produced by General Motors.It is very similar in design to the larger GM 6L 80 and 6L 90, and is produced at GM Powertrain plants in Toledo, Ohio; Silao, Guanajuato, Mexico; and by the independent Punch Powerglide company in Strasbourg, France., 2006-2015 GM Passenger Cars and Trucks equipped with 6L80 or 6L90 Automatic Transmission (RPO MYC or MYD) Condition. After installing the service pump cover P/N 24248573, a transmission may have low line pressure. If the low line pressure is not identified and corrected, clutches may be damaged during operation., 2006-2015 GM Passenger Cars and Trucks equipped with 6L80 or 6L90 Automatic Transmission (RPO MYC or MYD) Condition. After installing the service pump cover P/N 24248573, a transmission may have low line pressure. If the low line pressure is not identified and corrected, clutches may be damaged during operation., Feb 6, 2022 ... Doctor sounds alarm on Biden: This is 'absolutely a medical issue ... GM Hydra-Matic 6L80 / 6L90 Power Flow ... 6L80 Common Problems: Slipping in ..., Jan 19, 2021 ... In this Video Matt from the PSI Team will quickly walk you through the process of removing a TCM from a 6L80/6L90 transmission ... TCM Problems!, The biggest change to the 2009 Chevrolet Avalanche is the addition of a new Hyrda Matic 6L80 six-speed automatic transmission, which replaces the long-running 4L60 four-speed unit found in earlier ...