The Transmission Control Module (TCM) is an adaptive learning, 32-bit computer integrated into the valve body of the 6L80 / 6L90 and communicates with the Engine Control Module via the onboard vehicle CAN bus network. Most of us have either seen or heard of the new 10-speed transmission Ford is offing behind the 2.3L EcoBoost, 2.7L V6, 3.5L EcoBoost, 5.0L gas, and 3.0L Power Stroke Diesel engines. See the pictures below to help you tell if you have the right transmission. Like earlier automatics, the 6L80 features one line pressure tap available for testing and diagnostic purposes. Comparing that to our old TH-400 combo, wed need 5.40:1 rear gear to equal the overall First Gear ratio in the new Corvette. Eighth 0.85 My problem with the 4L80E is it was always a workhorse and in the past 25-30 years trucks have gotten much quicker and versatile. 8 Options if Your Transmission Has Failed, Transmission Diagnostic Trouble Codes (DTC), Best Remanufactured Transmission Companies, Hybrid Battery Replacement Cost and Prices, 10 Most Common Transmission Problems & How to Fix Them, How to Change Transmission Fluid Step by Step, What is a Transmission Flush? Can I assume my car has the General Motors GL80 with the 4.02 first gear? The GM Hydramatic 6L80 transmission heralds a significant change in the design of automatic transmissions at General Motors. Now he serves as a regular contributor to OnAllCylinders. Electronic challenges exist when mixing and matching the 6L80 as they must be matched to their particular engine. What came first: the chicken or the egg? The transmission is automatically shifted featuring performance algorithms to minimize upshifts during closed throttle driving to prevent unnecessary shifting. Interestingly enough, it was not long after this that Brian received another 10L80 with the same issue to resolve. Thats a great question. How is this different from the GM 6L80E transmission that is used in the Corvette or in the newer GM trucks? Wait 3-5 minutes before driving. Concerns can range from any of the following: These drivability concerns can be mistaken for transmission malfunctions. Tenth 0.64 If the transmission is in the vehicle you can use the RPO tag in the glove compartment. (bellhousing pattern - Chevrolet, Fit-all), (bellhousing pattern - Chevrolet, BOP, Fit-all), (bellhousing pattern - Chevrolet/removable), 1991-Later (bellhousing pattern - Chevrolet), (see also capacity of fluid in the converter. Getrag 260 5-speed longitudinal manual made by Getrag. Why the thin woven carbon clutch doesnt typically fail in the 4L60-E TMBX. The 6L90 transmission is slightly longer and taller than a comparable configuration 6L80 due to its beefier internals. They dealership gave Brian their opinion of what was making the noise. Now, the high-speed CAN network allows a high rate of data sharing between the units to achieve a collaboration between both engine and transmission functions. Thanks Jeff. The overall First gear ratio is deeper at 2.97:1 which means the car builder can leave a taller rear gear ratio in the rear end and still have great First gear acceleration. Once there is any metal-to-metal on the TCC surface at all, its usually a short time before debris wipes out the clutch completely. A rebuilt 10L80 will only have a certain number of components that get replaced. Sonnax has a line of upgrade parts that address some of the 6L80 and 6L90 transmission weaknesses. You also asked about GM's new 6L80E. While the 6L80 is generally mechanically compatible with Chevrolet and GM Gen. III+ engines, due to its advanced control strategy, the 6L80 is functionally compatible only with Generation IV GM engines and their matched Engine Control Modules. The 10L80 transmission is a 10-speed longitudinal automatic transmission that was designed to operate near the efficiency of a CVT while improving fuel economy in GM high-horsepower vehicles highlighted by the Camaro, Suburban, Tahoe, and Escalade. Brake pedal position: Directly affects shift scheduling and TCC scheduling, Air/fuel management adaptive values reset. The following drivability conditions will be present when this type of DTC is stored. The new 10-speed combo is 4.70 x 2.85 = 13.39:1. It looks nearly identical to the 6L90. So whats the most common failure thats seen time and again with these? Indirectly affects shift pressure control. A 2005 Ford F350 with the 6.0 liter diesel engine and 5R110W transmission has set a P0753 Pressure Control Solenoid A - Electrical Fault code and a P2700 Transmission Friction Element A - Apply Time Out Of Range code. It is currently phasing out the 6L80/6L90 transmissions (although it hasn't done its all the way yet. Since 2003, Jeff has held various positions at Car Craft (including editor), has written books on small block Chevy performance, and even cultivated an impressive collection of 1965 and 1966 Chevelles. Shift stabilization is achieved through these and similar strategies. Read more columns from our Shift Pointers series here. The 6L80 is doubtless a very successful OEM transmission, and a terrific conversion transmission in the right Jeeps and situations. Comes with a complete harness and the necessary software to program the TCM-2650 Module. But tall highway gearing arent the only way that this transmission maximizes efficiency. Inspect the warmer for damage and related lines for leaks (Figure 4). 2) Trans vertical position is the same on 200-4R,700R4,4L60,4L65,70E,6L80E. With this in mind, there are (3) major groups of failure management strategies that are used when certain diagnostic trouble codes are present. Shift the transmission to Neutral. There are too many differences between in communication protocols and renders the transmission nonfunctional. CDT 10L80 Bench Rebuild. All I can find is that it is sealed from the rear and just needs a new tail housing but some say its got to be completely rebuilt from the inside. Aisin AY6 6-speed longitudinal manual made by Aisin. The readers on this site are a pretty sharp bunch. Helping transmission shops achievesuccessful and profitable operation. Use it to verify the vehicle has a M30 4L60ENow, if the transmission is out of the vehicle (or if you dont trust a sticker), the 6L80E has an 18 bolt case. It appears that GM has put a very minor taper into the cover and possibly the piston as well. check the starter bendix and see if its loose and bouncing off the flywheel. Then to create a new Second gear, the overdrive is engaged 2.97 x 0.75 = 2.23:1. Copyright 2012 700R4 / 4L60E with PATC close ratio gear set. You also asked about GMs new 6L80E. Fluid Capacity 13 qts, First 4.70 A used 10L80 is pulled from a wrecked vehicle, so theres no telling what may be wrong with it, or how long it will last. GM now also offers both 8- and 10-speed automatics. The Nightmare on Oak Street: A hunt for 4L30E electrical problems How. The 6L80 is a robust transmission and can handle a ton of power. The HydraMatic can be adapted to the popular Jeep transfer cases, including the: Essentially all factory GM 4wd applications available with an OEM configured 6L80 have adapters and transfer cases that are prohibitively long for a Jeep, and transfer cases whose sizes and gearing fall short of desirable for most Jeep applications. (incl. Other common 6L80E transmission problems include: Even though it has two more gears, creative packaging allows the 10L80 transmission to be no bigger or heavier than an 8L90 or 6L90. There are five main inputs the vehicle uses for transmission shift strategy, they are: The Adaptive Learning Drive Cycle must be performed after any of the following procedures are performed: Perform the adaptive learning drive cycle on a level road surface as follows: After the final step, place the vehicle in park and cycle the ignition key off. 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. $499.00. To handle the increased output torque capacity, the 6L90 departed from the long-standing GM 32 spline specification output shaft of the 6L80 and went to larger diameter 29 spline for most truck applications. This is a normal and desired behavior. The check engine light might be on, and the customer complains of a slipping sensation with intermittent clunks. Larry Callahan Founder/Administrator of Pro-Touring.com, G-Machines.com and HostMyJunk.com To advertise on Pro-Touring.com click here For the 4L60-E TMBX, the pistons are .115" thick, and for the 6L80, 6L90 JMBX, the pistons are significantly thicker at .150". Its only about a 3/4-inch band around the inside circumference of the converter. So its no wonder that the new cars accelerate so welltheyve got a ridiculously deep overall First gear ratio and reduced rpm drops between the gear changes. A horsepower revolution spawned by GM's increasingly powerful Gen. III+ V8 engines and their aggressive platforms such as the Cadillac STSV, XLRV, various trucks and SUV's and the venerable Corvette. So my suggestion is to not subject the lockup to that amount of abuse. Unlike the 4L60E and 4L80E, the 6L80 is not always referred to as with the E on the end because its been over 25 years since the last non electronic GM transmission has been in production. The 6L80 / 6L90 uses three-way solenoids and variable bleed solenoids for improved shift quality. 6L80, 6L90 Transmission Tech Advisory: Consider an Updated Converter in Your Next Rebuild We all know that automatic transmission failures can have many root causes. AM-DT-51190 threads into that port and connects to the J-45096 TransFlow. It all comes down to the extra rigidity and flatness of the surfaces. Thread starter 2nazty; Start date Nov 26, 2018; Nov 26, 2018 #1 2. Legal/Privacy. Sixth 1.28 Bolt and gasket inlcuded. General 10-speed automatic with integral turbine clutch torque converter The Chevrolet Performance 6L80E trans comes with a set of wiring harness adapters and a flash drive that is used to configure the transmission to be used behind a GM LS engine in a rear wheel drive application. Torque Converter 260 mm with Electronic Controlled Capacity Clutch (10L80 ECCC) You are browsing camaro6. Cart The overdrive ratio thats added is 0.75:1. This means that its designed for rear wheel drive vehicles only. Although the basic engineering is the same, the GM 10L80 and Ford 10R80 each have proprietary control software, along with a few other differences that are suited for each specific application. Special tools are often needed when diagnosing transmission problems and overhauling units. As these units accumulate more mileage, these concerns may become more frequent. 4L60E (bellhousing pattern - Chevrolet/removable), 4L60E / 4L65E (w/ removable bellhousing) All LS1 Type, 4L80E 1991-Later (bellhousing pattern - Chevrolet), 6L80E 2006-Later (w/ removable bellhousing), 6L90E 2006-Later (w/ removable bellhousing), Splines (output shaft)Pan Bolts (number of), Transmission Fluid Capacity (see also capacity of fluid in the converter here).