Hydra matic 6l80 problems

Also, be sure to check out our diagnosis help page. As an owner, you should be aware of the early Hydra-Matic drive characteristics. Reference this link, and go to the "Design" section. These transmissions are unique when compared to subsequent Hydra-Matics. LINK TO HYDRA-MATIC DRIVE CHARACTERISTICS - Scroll To "Design"

Apr 21, 2019 · April 20, 2019 — GM 8L90 and 8L45 transmission problems have caused a proposed class action lawsuit that alleges the 8-speed transmissions are defective in the following vehicles in California ... 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.Everyone's feet are different, but certain everyday foot problems are common. Learn about these annoying foot conditions and how to improve them here. Advertisement Feet are like s...Jun 30, 2010 · The problem was a transmission valve body check ball. Check ball #1 had shrunk and stuck in the separator plate. I took it to the transmission shop Tuesday morning, explained my symptoms, mentioned possibility of check ball as seen on internet from 3 different transmission shops. He laughed and said don't believe what you see on the internet. Pixlr-o-matic is a flash-based webapp that allows users to add effects to images in a way reminiscent of Hipstamatic on the iPhone. The process moves the user through three process...With 6L80 transmissions having TCC issues, the TCC Reg valve in the valve body is usually looked at first. If this is OK, the decision must be made to inspect the TEHCM or pull the unit and look at the turbine shaft O-ring, the PR valve, the TCC control valve, and converter limit valve in the pump.Mar 13, 2018 ... how to beef up your GM 6l80E! All terrain TV ... 6 speed transmission adapts 6L80 6L90 Shifting issues ... 6L80E 6L90E TRANSMISSION REBUILD/REPAIR ...This manual contains procedures necessary to diagnose, overhaul and/or repair the new 6L80 (6 Speed) transmission from General Motors. CONTENTS. GENERAL …

Pine Bluff, AR 71601. (870) 535-4973. www.abbott-tach.com. Today's 4L65-E and 4L60-E transmissions trace their lineage to 1982 and the introduction of the 700R4, one of General Motors' first ...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.Jan 28, 2021 ... 2017 GMC Sierra Problems and Recalls. Should you ... GM 6L80 removal Step By Step converter failure ... 6L80 Torque Converter Issues Explained. The ...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 ...Jul 7, 2023 · 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. 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.Nov 22, 2022 · The 6L80 replaced the older 4L60 four-speed automatic in many truck and SUV applications as well as some rear-wheel drive cars. The main problems that have been reported with the 6L80 transmission are: 1) Shuddering/Vibration – Some drivers have reported a shuddering or vibration feeling when driving at highway speeds.

This is a post on 7 common Google Chrome problems. Learn how to fix them in this in-depth post. Receive Stories from @chrishhollandInformation 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 ...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.Rough downshifts seem to be a trait of the Hydra-Matic 6L80 6 speed Automatic transmission (MYC), been to the dealership and drove a few new trucks after experiencing it in mine and they all had the same shift trait. Hard to get used to. ... No SES/CEL, or other problems except for the picture attached. This was noticed around …Feb 25, 2017 ... Comments1 ; Performing a fast learn on an 8L90 / 6L80 GM truck to fix shifting problems using the Autel MS906. 737mechanic · 29K views ; Part 4 of ...The Novak Guide to the GM 6L80 Automatic Transmission GM 6L80E/6L90E Transmission Problems And Performance ... GM 6L80 transmission - Wikipedia 6L80E Transmissions, 6L90E Transmission, Rebuilt 6L80E ... Transmission repair manuals GM 6L45, 6L80 / 90 | Rebuild ... HYDRA-MATIC 6L80 6-speed Transmission Repair Manual – PDF ...

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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. 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.April 20, 2019 — GM 8L90 and 8L45 transmission problems have caused a proposed class action lawsuit that alleges the 8-speed transmissions are defective in the following vehicles in California ...Android/iOS: Made by the same team behind Pixlr-o-Matic, one of your favorite photo filter apps, Pixlr Express takes a different approach to personalizing your photos. Namely, it p...Pine Bluff, AR 71601. (870) 535-4973. www.abbott-tach.com. Today's 4L65-E and 4L60-E transmissions trace their lineage to 1982 and the introduction of the 700R4, one of General Motors' first ...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. The 10 …

INSE: Get the latest Hydra Industries Acquisition stock price and detailed information including INSE news, historical charts and realtime prices. Indices Commodities Currencies St...The Hydra-Matic 6L50 (production code MYB) is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased all-wheel-drive vehicles with a longitudinal powertrain ...GM 6L45/6L50/6L80/6L90 Contains 6 Plugs & 9 O-rings!!! 6 pack!! 104740-23K Transmission Jobber Supply NewPoor pressure control due to clutch select valve springs. Problem – Due to OE clutch select valve spring tension, the valve apply fluid pressure inside of the 6L80/6L90 valve body will be too high, causing a number of transmission problems that include: Premature failure of the 1-2-3-4 clutch. Premature failure of the 3-5-Reverse clutch.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.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 …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.The 6L80 replaced the older 4L60 four-speed automatic in many truck and SUV applications as well as some rear-wheel drive cars. The main problems that have been reported with the 6L80 transmission are: 1) Shuddering/Vibration – Some drivers have reported a shuddering or vibration feeling when driving at highway speeds.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 ...

755 posts · Joined 2023. #1 · May 31, 2023 (Edited) Hi All, I'm brand new here but active on other GM forums where the 6L transmissions are actively being discussed so figured I'd start a similar all-encompassing transmission thread with videos, links and other information as it relates to the 6L80/90 transmissions.

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 ...John Parmenter, Precision International Tech Advisor goes over resolving problems on the 6L80 transmission. For more information, make sure to check out our ... 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 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. 2006 - 2008 Corvette: GM TechLink: 6L80 or 6L90 Automatic Transmission Shift Conditions 2006 Corvette: Customer Satisfaction Program: Engine Flywheel/Clutch Interference 2004 - 2007 Corvette: Service Bulletin: Engine and Automatic Transmission/Transaxle Identification John Parmenter, Precision International Tech Advisor goes over resolving problems on the 6L80 transmission. For more information, make sure to check out our ... Shift Selector Problem. One of the most common issues with GM's 10-speed transmission is the shift selector problem. This occurs when the vehicle unexpectedly shifts into a higher or lower gear without any input or speed change. Symptoms include mismatched indicators and gear issues. Solutions include checking and refilling transmission fluid ...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 ...The class includes customers in the United States who purchased or leased any vehicle equipped with GM’s Hydra-Matic 8L90 transmission or Hydra-Matic 8L45 Transmission. The alleged defective …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 ...

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The Hydra-Matic 6L90 is six-speed automatic transmission for rear- and four-wheel-drive trucks, designed with modular flexibility and compatibility with advanced electronic controls. It is a heavy-duty version of the 6L80 six-speed automatic, with a strengthened input gearset which has two additional pinion gears for six total, and a ... The 6L80 Transmission You Can Count On. Built With The Best, By The Best. 5-Star Rated Nationally Recognized 6L80 Transmission Supplier. 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 ...6L90E 6L90 Transmission. $ 3,595.00 Original price was: $3,595.00.$ 2,695.00 Current price is: $2,695.00. The 6L90 transmission for sale our lowest price yet. This Hydra-Matic six speed automatic is a direct replacement for the Chevy Camaro, Express van, Savannah, Sierra, Suburban, Yukon and Tahoe. The 6L90E fits in vehicles who’s years range ...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 ...Although the Mustang's transmission is generally regarded as quite durable, given enough time it will eventually develop problems. Many problems associated with the Mustang's trans...The Hydra-Matic 6L80 six-speed automatic transmission was the first of four variants in the rear-wheel drive transmission family designed with modular flexibility and compatibility with advanced ...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 ... ….

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.The 6L80 Transmission You Can Count On. Built With The Best, By The Best. 5-Star Rated Nationally Recognized 6L80 Transmission Supplier. ... No problem, just let us know. Q. How is the transmission shipped? A. Transmissions are shipped via truck freight (18-Wheeler) through FedEx Freight or R&L Carriers. Depending on your location another ...Overfilling will cause the transmission to overheat and set code P0218 — transmission fluid over temperature. The 6T40/45 uses a thermal element to control the oil level in the unit, similar to other GM units. Known as a fluid level control valve (figure 6), the unit is basically a thermally controlled standpipe.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...The 6L80 transmission has been used in models ranging from 2008 to 2019 chevy tahoes, silverados and many more models so it is obviously been a good transmission which tells me the problem was ...Some ear disorders can result in hearing problems and deafness. Find out which conditions can affect your hearing and balance. Your ear has three main parts: outer, middle and inne...- Problem #1 - The Torque Converter. - Problem #2 - The Intermediate Shaft. - Problem #3 - The Valve Body. - Problem #4 - The OEM Oil Pan. - Problem #5 - The High …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 …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. Hydra matic 6l80 problems, Nov 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. , INSE: Get the latest Hydra Industries Acquisition stock price and detailed information including INSE news, historical charts and realtime prices. Indices Commodities Currencies St..., Wear or damage to the pump and cover are generally due to internal converter issues such as extensive friction disc wear leading to metal-to-metal contact …, Advertisement In theory, rail guns are the perfect solution for short- and long-range firepower. In reality, they present several serious problems: Advertisement A coil gun (or Gau..., Turbo-Hydramatic 3L80 / THM400. Successor. 6L90. The 4L80-E (and similar 4L85-E) is a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series included 4 forward gears. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October ..., Subject: HYDRA-MATIC(R) 6L45 (MYA), 6L50 (MYB), 6L80 (MYC) and 6L90 (MYD), Rear Wheel Drive Automatic Transmission Control Valve Body Assembly Reconditioning Models: 2006-2009 Cadillac XLR 2006-2010 Cadillac STS 2007-2009 Cadillac SRX ... The only issue that I'm having is the 2nd-to-3rd shift. It's like you said …, 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 ..., 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., 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., 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 the …, Unit Endplay. The 6L80’s and 90’s need to have minimal endplay for longevity. Given the fact that most of these units have torque converter failure and pump damage, the pump will most likely need to be repaired or replaced. With this in mind, you need to measure the endplay of the unit BEFORE you disassemble the unit., The Hydra-Matic 6L80 is General Motors first model of a new, four-variant, rear wheel drive (RWD) six speed automatic transmission family. The four variants are the 6L45, 6L50, 6L80 and 6L90. The new, high performance 6L80 will debut in 2006 model year performance vehicles, including the Chevrolet Corvette C6 and new Cadillac STS-V …, 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….), 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., Remanufactured Automatic TransmissionGM 6L80 RWD 2007-2009 Chevy/GMC/Cadillac V8 EnginesIncludes Torque Converter Fluid Shift Pro by ETE Automatic Transmission Assembly T281224 Advance Auto Parts GM 6L80E/6L90E Transmission Problems And Performance, 40% OFF, Advertisement In theory, rail guns are the perfect solution for short- and long-range firepower. In reality, they present several serious problems: Advertisement A coil gun (or Gau..., Pine Bluff, AR 71601. (870) 535-4973. www.abbott-tach.com. Today's 4L65-E and 4L60-E transmissions trace their lineage to 1982 and the introduction of the 700R4, one of General Motors' first ..., 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., 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. 6l80e Transmission Manual., Jul 3, 2022 ... This 6l80 not looking good… 24K views · 1 year ago ... GM Hydra-Matic 6L80 / 6L90 Power Flow ... Found the problem, but unfortunately it's to late…, 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 ..., Other Transmission. 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 fust 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. , 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 …, The Hydra-Matic 6L80 six-speed automatic transmission was the first of four variants in the rear-wheel drive transmission family designed with modular flexibility and compatibility with advanced ..., 6L80/6L90 These transmissions are very stout and will perform well under most conditions, although the cases are quite large and do not fit in most passenger cars with a stock transmission tunnel. The 6L90 can handle up to 555 hp in passenger cars. In a truck, the weight reduces handling to 452, torque limits range from 530 to 550 ft-lbs., 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 ..., 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., Dec 24, 2015 · 6L50 Transmission - Durability and Reliability. doing some research on my new truck - interesting that the interwebs has almost zero info on the 6L50 transmission. We have dearth, not a plethora! So, humor aside....I checked the specs at gm powertrain - the trans is rated for 315HP (gas), which seems very close to the HP the V6 makes stock. , GM 6T70, 6T75, 6T80 (Gen. 2) Valve Body Layout. Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. Each layout: With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources ..., 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., 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 ..., Are you prepared for travel problems on your vacation? Check out these tips to help you prevent a vacation nightmare before it starts. Daye Deura When going on a hard-earned vacati..., 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 …