Shift the transmission to Reverse. 6L80/90 - 8L90 Floor Tap Shifter Kit. Your email address will not be published. For the 4L60-E TMBX, the pistons are .115" thick, and for the 6L80, 6L90 JMBX, the pistons are significantly thicker at .150". should check for clearance. A P59 PCM controlled both the engine and the transmission. 2018 YUKON DENALI 64K ON THE MILES HAS A CLICKING NOISE AT A IDLE LIKE A CRACKED FLYWHEEL OR SOMETHING BOUNCING IN THE PAN CHEVY PUT NEW EXHAUST ON IT THINKING IT WAS IN THE CONVERTER ALSO PUT A NEW PUMP IN THE TRANS THIS SOUND IS NOT THE SAME EVERY TIME SOUNDS LIKE A BOUNCING BOLT SINCE THE PUMP WAS IN STALLED NOW SEEMS TO OLY MAKE NOISE WHEN WARMED UP MY SON IS A TRANSMISSION MAN HE SAYS IT A SOUND THEY MAKE WHEN THEY ARE SUCKING AIR NOT SURE ON THAT I WAS A MECHANIC FOR MANY MANY YEARS CANT FIGURE THIS OUT NOR CAN GM ANY THOUGHTS ON THIS ? CDT 10L80 Bench Rebuild. August 8, 2022. vehicle weights. Looking for parts number : new shaft, copling et seal and where to find them. 6L80E Specs The 6L80 is a robust transmission and can handle a ton of power. Learn how your comment data is processed. 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. The TCM-2650 is compatible with the GM 6L45/50, 6L80/90 . Do you know does the aftermarket have a fix? Indirectly affects shift pressure control. The TCM is actually even programmed to adjust its operation for transmission clutch wear. Sixth 1.28 Also, Im not sure if the trans will allow converter lockup at WOT. As transmission builders know, it can be difficult to determine a root cause when you are looking at a catastrophic failure, with rotating parts crashing into each other. Accelerator pedal position: Directly affects shift scheduling, TCC scheduling, and transmission diagnostics. The factory clutch apply piston has a sharp, square edge that does not completely apply force across the entire clutch piston. This suggests that the idler gear and ball bearing assembly has a tight interference fit to the stator shaft support housing. The GM 10L80/90 transmissions began production in 2017, meaning that were closing in on six years of this transmission being on the road. Note: The mounting pad is usually a part of the extension housing, but the graphic shows it on the maine case. Tested: 2023 BMW M4 CSL Is a Track Monster. 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. The way the power is applied is different than the 4L80E / TH-400. Like earlier automatics, the 6L80 features one line pressure tap available for testing and diagnostic purposes. Thanks Jeff. More or less a TT V8 german car so if the new 8 or 10 speed GM transmission would work where the 6L80E came originally and the CTS V, SS Sedan, and ZL1 Brembo brakes work it could be a great platform. 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. If thats the case, the valve body will have to be replaced to correct these concerns. After programming, perform the Adaptive Learning Drive Cycle and reevaluate the vehicle. 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. Related Articles Diagnosing Chrysler transmission max line pressure and P0933, P0869, P1745 codes How to service the Honda 10-speed transmission Solving, This article applies to Chrysler RFE, RLE and TES transmissions that utilize pressure control solenoids (PCS) for line pressure control. Trying to decide if its worth upgrading for the 10L80 alone. This creates an uneven force on the clutches that tends to . This allows him to see what kinds of issues some of these transmissions come back to the dealer with while under warranty. Lets talk about some of the concerns and fixes we have been seeing. 4. full. TSB 18-NA-026 Transmission fluid leak This 7-3/8" long extension housing can eliminate transmission crossmember modifications when replacing a TH400 or TH200-4R transmission with a 4L60 assembly. Thats right, you can find a variation of this Ford GM 10-speed automatic transmission in the Ford Mustang GT and the Chevrolet Camaro ZL1! Torque Converter 260 mm with Electronic Controlled Capacity Clutch (10L80 ECCC) Note, some customers may complain of a converter type whine noise coming from the transmission. 2wd transmissions feature conical shaped tailhousings and an output yoke, which are replaced with a typically shorter 4wd style output shaft of varying lengths and spline counts, depending on the application. It all comes down to the extra rigidity and flatness of the surfaces. As the transmission approaches normal operating temperature, reverse movement is non-existent. So if there are any possible ways to upgrade the RPM Level 6 4L70E in my 416 CI Trailblazer, the 4L80E in my Silverado with a LS2 with heavily worked and milled 243s, Ported and polished Fast LSXRT 102mm intake, and the Caprice PPV I am looking for the right one. Other common 6L80E transmission problems include: The small 10-speed gear steps allow the engine speed to drop to lower values than it would in the 6-speed transmission, providing for the best fuel economy. It is a dog in the summer time. Smith began writing for Car Craft magazine in 1979 and became editor in 1984. And now, with some of these transmissions coming out of warranty, the aftermarket will soon begin to see issues that occur with them beyond their first years of life during their aging process. ** Currently 10L80 units are 2017+ so are dealer-only or salvage yard only. The 10R80 transmission is a 10-speed, rear-wheel-drive transmission that is controlled by a PCM or a TCM. This transmission makes an excellent conversion transmission due to its adaptability into most Jeeps longer than CJ5s. Wait 2 seconds. 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. What came first: the chicken or the egg? Nov 26 . Newer to the transmission world is its use of direct clutch-to-clutch shifting and the total lack of bands. The stator shaft support housing comes with these gears as one assembly. * WILL ALLOW USE . lbs., with a respectable GVW of 15,000 lbs. But its interesting to note that there is a very low cover/piston failure rate for the 4L60-E TMBX converter. Commanded engine torque: Directly affects shift scheduling, TCC scheduling, and transmission diagnostics. Wait 3-5 minutes before driving. 10L80 Transmission Specs General - 10-speed automatic with integral turbine clutch torque converter Application - RWD & 4WD / AWD RPO Code - MF6 Production Began - 2017 Case - 1 piece aluminum with integrated bell housing Torque Converter - 260 mm with Electronic Controlled Capacity Clutch (10L80 ECCC) As with earlier Hydramatics, the 6L80 will accept either the 258mm or 300mm torque converters. It is a 5 position shifter, Park, Reverse, Neutral, Drive and Sport Mode. Pre-Owned. (incl. So the service life is limited, and the warranty will only last 1-2 years. The idler gear is what drives the pumps driven gear. Knowledge is power use it to protect your customer, your unit and yourself for miles and miles to come. LT). Reproduction in whole or in part without permission is prohibited. or gross weight of 14,000 lbs. The 6L80E went mostly into large vehicles with V8 motors. Would love your thoughts, please comment. The readers on this site are a pretty sharp bunch. 2020 10l80 4wd an I one to convert to 2wd. Grade braking and clutch line pressure (for greater holding power) are additionally great features that are activated by Tow / Haul mode on the truck platforms. Heres what we mean: Lets assume we have a TH-400 trans in our Chevelle with a 4.10:1 rear gear. The complaint A Ford vehicle equipped with the FNR5 transmission has a complaint of a severe slipping condition in reverse. RATIOS 4.70, 2.99, 2.15, 1.80, 1.52, 1.28, 1.00, .85, .69, .64. Sometimes, finding the cause of a complaint isnt as straightforward as one would expect; sometimes, these causes can be very elusive. Brake very gently to a complete stop and hold the foot brake for five (5) seconds. With its 2017-2018 heralding, Ford has equipped 3 domestic models with the 10R80 transmission. Our simulations reveal that this is worth anywhere from 0.10 to perhaps 0.15-second in a quarter-mile comparison between a stock 4L80E and a TCI Six-Speed. Continue to accelerate (may apply slightly more throttle after 7-8 upshift at 32-38 mph (51-61 km/h) until you achieve 55 mph (88 km/h) and the 8-9 and 9-10 shifts complete. 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. It looks nearly identical to the 6L90. Reply. Upon a test drive and a scan, code P0741 is noted and the percentage of TCC slip shows to be way out of range. The complaint 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. Copyright 2012 Recently, they received a 2021 GMC Yukon with a very unusual sound coming from the front of its 10L80 transmission. Mine did it on flat ground only it downshifted four or more gears with a loud bang then jumped back up to tenth with the same bang. Reactions: me32. It can also be found in the Lincoln Navigator. The transmission typically accepts a 6.3 quart fill. The transmission lacks a direct-drive, but features two overdrive gears. The idler gear itself has two threaded holes opposite each other for the use of a puller (see figure 1, above). January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. That is just the beginning. 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. Finished in a durable and corrosion-resistant clear anodize. Thats more than almost any other GM automatic transmission. We are High Performance Transmission Builders It has a line pressure tap for diagnostic purposes. Customers' pictures and movies from drag racing competitions. While converter failures are not uncommon with other transmission families, you are thinking that this is really becoming a pattern for the 6L80, 6L90. The taper may exist so that the clutch surface goes flat when the cover is welded together were not sure. * An extension housing p/n 8673406 (old p/n 24214689) is available for the TH700R4/4L60 transmission that moves the rear transmission mount to the same position as a TH400 (short-style 4" tail) or TH200-4R transmission. Remember, this is just a theory. Much akin to the GM 10L80-E & 10L90-E transmissions is the 10R80 transmission's oil pump. The 6L80 transmission pan is similar in shape but the 6L80 is shorter at 17 1/2 inches. If we change to the latest GM 10-speed automatic it has a 4.70:1 First gear and is factory matched with a 2.85:1 rear gear. Its the a10 (10L80) from the Silverado. Did they release much info about it on the trucks? How is this different from the GM 6L80E transmission that is used in the Corvette or in the newer GM trucks? It does not have a direct 1:1 ratio like the 4L80E and 4L60E, which is worth noting. Im with you on AFM is crap. These tight gear ratios not only allow for lightning fast upshifts and downshifts. The ball bearing remained tight on the stator shaft support housing. Thats a great question. Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. Every modern GM vehicle has one of these sheets in its glove compartment. But in order to make this work properly, they began by making the overall First gear ratio deeper. At times the 10-speed transmission may skip gears when the vehicle downshifts to a complete stop. - Critical wear areas and vacuum test locations: GM 10L and Ford 10R series. When cutting the JMBX open, converter rebuilders report that a high percentage of units show extreme damage due to the clutch piston and front cover crashing into each other (Figure 1). The idea behind this conversion offers multiple overlapping advantages. The 10-speed first appeared in the 2017 Camaro ZL1 backing up the 650-horsepower, supercharged 6.2L engine. Its a single-disc, non-captive clutch unit that is somewhat similar to late 300mm 4L60-E converters. However, it is a long transmission and is not compatible with short-wheelbase Jeeps such as the CJ5. - Critical wear areas and vacuum test locations: GM 10L and Ford 10R series, - Shift pointers: A 4T65-E that wants to move in Park and Neutral, Being tuned in: The value of transmission tuning, Ford harsh downshifts: 6R75 2-1, 10R60 7-6, Announcing the winners of the Top 20 Products and Tools contest, Diagnosing an unusual problem: A slow-to-respond solenoid, Video: Lubegard Limited Slip Supplement overview, Diagnosing Chrysler transmission max line pressure and P0933, P0869, P1745 codes, How to service the Honda 10-speed transmission, Solving electronic control problems in todays automatic transmissions, Sonnax highlights 10L/10R solenoid stabilization retainer, 9T clip insert, GFX adds new pump for vintage Powerglide models, Searching for the source of an unexpected transmission fluid leak, Transmission slipping in fifth gear: An elusive cause of a common problem, 10R80/10L90 Ford & GM Ten Speed Unique Filter System. $ 439.00 Select options. Larry Callahan Founder/Administrator of Pro-Touring.com, G-Machines.com and HostMyJunk.com To advertise on Pro-Touring.com click here Powerglide (bellhousing pattern - Chevrolet, Fit-all), TH350 (bellhousing pattern - Chevrolet, BOP, Fit-all), TH400 (bellhousing pattern - Chevrolet, BOP), TH200-4R (bellhousing pattern - BOP, Fit-all), TH700-R4 /4L60 (bellhousing pattern - Chevrolet). Quick 4 Stand-Alone Transmission Control System Its good for a 12.69 @ 111 mph in cool dry weather.I go down the track with the lock up switch off. Thats pretty much all thats to it. JT. Comes with a complete harness and the necessary software to program the TCM-2650 Module. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. Transmission Report: 6L80, 6L90 Transmission Tech Advisory: Consider an Updated Converter in Your Next Rebuild. Beginning with the F-150, it then made its way into the Mustang and the Expedition (as well as the Everest, and upcoming Ranger reboot). The 10L80 was a joint engineering effort between GM and Ford. TH350 High Performance Transmissions / 850 Hp Full Race, TH400 High Performance Transmissions / Stage II - Stage VI, TH200-4R High Performance Transmissions / Stage I - Stage III och Full Race, TH700R4 / 4L60E / 4l65E High Performance Transmissions / Stage II - Stage V, 4L80E / 4L85E High Performance Transmissions / Stage I - Stage V, 6L80E / 6L90E High Performance Transmissions / Standard - 1000Hp, Speed Potential Calculator for Ring Gear and Pinion Changes, Engine Alternatives. I would like to keep the turbo small so it would spool extremely quickly and the compression high to be responsive. Production Began 2017 Foremost on the list is the Sonnax clutch apply kit. 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. 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. 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. When other diagnostic trouble codes are present, there can be different, specific drivability concerns caused by the failure management program. Comparing the two cross sections, you also quickly see that the orientation of the spring dampers is different. Where the original 4L80E First gear is 2.48:1, TCI created a 2.97:1 First gear ratio. The 6L80 has surprised us power transmission aficionados with its wholesale adoption of new and very different technologies. The 6L90 has a beefier set of gears and many internal upgrades. What all needs to be done to change it from four-wheel-drive to 2 Wheel Dr? It features a dry weight of ~195 lbs. While working on a 2017-2018 Ford F150/Raptor, 2018 Expedition, Mustang, and Lincoln Navigator equipped with a 10R80 transmission, you may experience erratic TCC operation, or a TCC shudder concern. Thank you. 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. The 1-piece aluminum case houses a slim 260mm 10L80 torque converter inside the integrated bell housing. It is an incredibly advanced transmission and has the technology to .