6l80 vs 10l80 transmission

You might run into a lack of valve body repair options. But the cause he discovered was related to the pump. After a prolonged drive time, DTC P0752 Pressure Control Solenoid A Stuck On. I didnt realize that it came equiped with such a lame gear ration 3.08. 6L80E Torque Converter Power Raptor Full Size Non-Billet Number 88-6L80-1, now with Billet Cover Option. The GM Hydramatic 6L80 transmission heralds a significant change in the design of automatic transmissions at General Motors. 6L80/90 - 8L90 Floor Tap Shifter Kit. 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. It appears that GM has put a very minor taper into the cover and possibly the piston as well. This means that its designed for rear wheel drive vehicles only. 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. Starting in 1996, many 4L60E transmissions employed a bolt-on bellhousing. GM states, ". The button for Tap control is on the top of the shifter, making it easy to use in both left and right hand drive vehicles. Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, and industrial sectors utilizing drivetrain technology. The 4L80 features a 310 mm torque converter. The General Motors Hydra-Matic 10-speed 10L80 automatic transmissions is a heavy duty (high performance) variant of the Hydra-Matic 10LXX transmission family. As we have all learned with other units, very often the root cause of a converter clutch failure stems from a failure within the electro/hydraulic controls from the transmission. Shift the transmission to Drive. But once he had the parts and the job was complete, the noise issue was resolved, confirming the cause to be the idler gear spinning around the ball bearings outer race. First introduced in 2005, the 6L80 transmission is a 6-speed automatic gearbox that is made by General Motors at their Willow Run transmission factory in Ypsilanti Michigan, and at their transmission plant in Toledo, Ohio. Sticking valves and sticking CIDAS solenoids are becoming more common concerns with these units. All previous GM automatic transmissions were virtually all based on hydraulic controls, and received increasing electrical elements as they modernized. Heres what we mean: Lets assume we have a TH-400 trans in our Chevelle with a 4.10:1 rear gear. See the pictures below to help you tell if you have the right transmission. The taper may exist so that the clutch surface goes flat when the cover is welded together were not sure. * 10L90E TRANSMISSION. So why does the JMBX converter have this chronic problem? The 6L80 in its transaxle version for the Corvette. The factory clutch apply piston has a sharp, square edge that does not completely apply force across the entire clutch piston. The 10L80 moniker is decoded. document.write("- "+yr); I believe the last digits of the model number are the power rating capabilities of the transmission. If the transmission fluid is discolored or has evidence of debris in the fluid, it would be recommended to replace the torque converter and flush the system to complete this repair. It looks nearly identical to the 6L90. Newer to the transmission world is its use of direct clutch-to-clutch shifting and the total lack of bands. RPO Code MF6 Looking for parts number : new shaft, copling et seal and where to find them. Need to convert 10L80 rom 4wd to 2wd. NonStop-Transmission. The GM 10L80/90 transmissions began production in 2017, meaning that we're closing in on six years of this transmission being on the road. The way the power is applied is different than the 4L80E / TH-400. The bottom line: The very thin (.020") woven carbon friction material cant survive the way the JMBX piston applies. vehicle weights. The band number is printed on the solenoids in the location shown and will be a 1, 2, 3, 4, or 5 (Figure 3). Note, some customers may complain of a converter type whine noise coming from the transmission. Did the converter clutch material just wear out, thus allowing the clutch and cover to go metal-on-metal? The 6L80 was approved for use in these vehicles weighing up to 8600 lbs. But it does take a bit of experience to not damage anything on the valve body or inside the . 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). One common 6l80 issue due to design flaws include premature clutch failure. The ball bearing remained tight on the stator shaft support housing. Internal hydraulic leakage, hard part failures and contaminated/failed solenoids are all issues that can plague units, some more than others. * DOES NOT INCLUDE A DRIVESHAFT OR CROSSMEMBER. 6L80/6L90/8L90/10L90 AN Transmission Cooler Manifold Our Price: $150.00 Out of stock We now offer a convenient AN trans cooler manifold solution for the 6L80, 6L90, 8L90, and 10L90 transmission. Specialized manifold for 10L80,10L90, 8L90, 6L80, and 6L90 transmissions, allowing you to connect -6AN fittings to your cooler lines. 6L80E / 6L90E 4-5-6 Clutch. The 10R80 transmission is a 10-speed, rear-wheel-drive transmission that is controlled by a PCM or a TCM. Second 2.99 Thanks Jeff. or gross weight of 14,000 lbs. 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. A second electric 10L80 pump maintains fluid pressure when the stop/start function activates. Shop Finder The gearing spread is a very capable 6.04, with ratios in each gear as follows: First: 4.02, Second: 2.36, Third: 1.53, Fourth: 1.15, Fifth: .085, Sixth: 0.67, Reverse: 3.06. Repeat Steps 3 through 9 six (6) additional times. Brake pedal position: Directly affects shift scheduling and TCC scheduling, Air/fuel management adaptive values reset. I use this vehicle to tow a 20 ft 10k trailer that I use to carry a 5500lb tractor. Can I assume my car has the General Motors GL80 with the 4.02 first gear? How is this different from the GM 6L80E transmission that is used in the Corvette or in the newer GM trucks? Why the Sonnax forged covers and pistons solve the problem. Team ATF builder Super Dave doing his magic on assembling the First 10L80 transmission ATFSpeed has had come thru the shop. Comes with a complete harness and the necessary software to program the TCM-2650 Module. Sonnax highlights two product lines for helping with heavy solenoids for GM/Ford 10L/10R and 9T series transmissions. As such, Sonnax has a good view of both sides of the pump, so we are intimately involved with engineering solutions to both trending transmission AND converter issues. Subscribe Now Quick 6 Clutch-to-Clutch Transmission Control System Our top-of-the-line controller for 6R80 transmissions. These solenoids are directly proportional in that zero current equals zero pressure, and maximum current equals maximum pressure. Ive not done the math on total surface area, but its likely the clutch would not last long engaging 450 hp. The idea behind this conversion offers multiple overlapping advantages. In this video I show how to change flush the transmission fluid and filter on a 2012 Chevrolet Silverado with 6.2L with the 6 speed automatic 6L80E The 6L80 was, from the ground up, developed as an electric over hydraulic transmission with microprocessor control. I work on other peoples vehicles for a living. The 6L80 features a generously deep first gear for an automatic, making for favorably powerful starts from a standing stop. 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? Electronic challenges exist when mixing and matching the 6L80 as they must be matched to their particular engine. Thread starter 2nazty; Start date Nov 26, 2018; Nov 26, 2018 #1 2. Also since the transmission is different the gearing and tuning are naturally different. The TCM is actually even programmed to adjust its operation for transmission clutch wear. Do you thing the 10L80 can be beefed up using 10L90 parts? - Scope testing the Ford 10R80. Special tools are often needed when diagnosing transmission problems and overhauling units. Seems like the 6 speed auto would be better for the torque curve. Aisin AY6 6-speed longitudinal manual made by Aisin. What is most welcome about it is that it is a very durable, functional and impressive transmission assembly and appears to have a terrific prospect with GM and the aftermarket community. The 6 speed takes a fair amount of trans tunnel work and my Holley Dominator ECU can't control it. Shift the transmission to Neutral. Reply. Muncie M20 4-speed longitudinal wide ratio manual transmission made by GM at their Muncie, Indiana factory. It features dynamic veins and a rotating wheel driven by a steel gear with it's own filter. $3,245*. When its enabled at low speeds the exhaust tone becomes muffled, the AFM valves clatter open and closed, v4 vibration and increased injector noise is nothing but annoying, especially with a convertible. By combining a wide 7.39 overall gear ratio spread, with smaller steps between each gear, this GM 10-speed automatic transmission is able to keep the engine in its ideal power band during acceleration. TIPM Problems! You can scribe numbers on them from 1-6 if you choose for a quick reminder of their location. As a result, it became a popular choice despite sharing most of its internal components with its predecessor, the 700R4. Other common 6L80E transmission problems include: I think the extra gears and the taller overdrive would be nice but I wonder if it's worth all the effort. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Now controlled by computers, the E series transmission allowed for a wide range of tuning options. 4. Copyright 2006-2020 GEARS Magazine. The transmission lacks a direct-drive, but features two overdrive gears. In any event, precise coordinate measuring (CMM scans) of a variety of JMBX covers shows that the covers are wavy and have undulations on the clutch surface, especially opposite of the welded cover pads. Fifth 1.52 The same shift strategy that is used for the upshift may be applied during a downshift. For the most part, this transmission has been phased out by the 8L90E already, but is still in prodution. LT). The GM transmission is the 10L80, which is available in several models as well. This idler gear and ball bearing assembly is mounted to the stator shaft support housing. A typical scene thats now playing out in transmission shops across the country goes something like this: A late-model, full-size truck or SUV is dropped off to get the transmission checked out. Tenth 0.64 I also have a 2wd 2006 Trailblazer SS with a forged 416ci stroked LS3 which makes around 600 hp or so with a Yank SS3600 stall converter. Developing any new technology will cost an absolute ton of money, which why its not unusual for car companies to co-develop things like chassis and transmissions. A sectioned image of the 4L60-E TMBX and 6L80, 6L90 JMBX (Figure 3) shows the external profiles of the respective front covers are very similar. The transmission can also signal the engine to drop power during a shift if there's a possibility of clutch damage. 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. 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. Essentially what TCI did was to engage the overdrive at the back of the trans to split the gear spread between the original First and Second gear ratios and again between Second and Third. If you are tearing down a new job and cant find any hard part failure that would result in the amount of metal you have in the pan, its just about certain that the inside of the torque converter looks like the disaster area shown in Figure 1. Like earlier automatics, the 6L80 features one line pressure tap available for testing and diagnostic purposes. The traditional small-block six-bolt bellhousing pattern is the best and easiest way to identify a 4L60E style transmission if you find one at the swap meet for sale. Members We are High Performance Transmission Builders Then, because the six-speed is splitting ratios, the rpm drop between gears is less because TCI has turned this into a five-speed automatic with an overdrive. Your email address will not be published. So you would need to begin with a 2008 or newer Express to be able to convert from a 4L80 to a 6L80 / 6L90. By utilizing more gearing, the 6L80 keeps the car in its power band longer, improving the MPG of the vehicle between 4-7% (over the previous generation fours speed transmissions) depending on the configuration of the vehicle that its in. Running 12.60s at 111 is a fun ride!

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