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Copyright 2012 The transmission can also signal the engine to drop power during a shift if there's a possibility of clutch damage. Subscribe Now Drivability concerns are confirmed, and the pan is chock full of debris. 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? R.F. Since buying the car I have been trying to learn a bit about the auto trans. 6R80E Chevy Transmission Kit ATI has the first true externally controlled, 6-speed transmission package for your Chevrolet powered vehicle! or gross weight of 14,000 lbs. TSB 18-NA-026 Transmission fluid leak This is an immediate DTC that effects emissions. Your email address will not be published. This is a normal and desired behavior. I would like to keep the turbo small so it would spool extremely quickly and the compression high to be responsive. This is a completely new and different transmission compared to the 4L80E. This suggests that the idler gear and ball bearing assembly has a tight interference fit to the stator shaft support housing. The 8L90E is an 8 speed automatic transmission developed by General Motors and introduced for the 2015 Model year. Larry Callahan Founder/Administrator of Pro-Touring.com, G-Machines.com and HostMyJunk.com To advertise on Pro-Touring.com click here We are High Performance Transmission Builders 6L80E Specs The 6L80 is a robust transmission and can handle a ton of power. TRU-STREET 10L90E TRANSMISSION W/ 1800 STALL LOCK UP CONVERTER. Most full-size trucks and SUVs with a 6L80, 6L90 use a JMBX full-size (300mm) style converter. The thicker JMBX piston cant conform to the cover (like it can in the 4L60-E TMBX), and at a commanded slip rate of approximately 50 RPMs in lockup, there is ultimately metal-to-metal contact that occurs between the front cover and the piston. Upon full inspection, the unit is loaded with metal, and the pump (bell housing) is worn to the point of needing remachining or replacement. The transmission lacks a direct-drive, but features two overdrive gears. Looking for parts number : new shaft, copling et seal and where to find them. It began replacing the 4L60E transmission in many vehicles starting in the 2006 model year. While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time. This took the dealership a much longer period of time in acquiring these bolts for Brian to complete the job. At times the 10-speed transmission may skip gears when the vehicle starts from a complete stop. document.write("- "+yr); this means that dimension "C" is usually longer than dimension "B". Required fields are marked *. vehicle weights. The factory clutch apply piston has a sharp, square edge that does not completely apply force across the entire clutch piston. Had transmission rebuilt (Pro).My problem is that when it gets around 35, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Mazda 6 P0320: Meaning, Causes, & Diagnosis. So the service life is limited, and the warranty will only last 1-2 years. The subject is a rather common electrical fault that may occur on the PCS line pressure solenoid circuit, which results in max line pressure. Respectfully, Len Gilbert Kitchener ON Canada. Your cooperation with this program is greatly appreciated. The Ford 10R80 is a new 10-speed, rear wheel drive transmission that's available in several models, beginning in 2017. With 10 forward gears to choose from, the 10L80 transmission is able to reduce the fuel consumption of a high horsepower engine. Case 1 piece aluminum with integrated bell housing The complaint A Ford vehicle equipped with the FNR5 transmission has a complaint of a severe slipping condition in reverse. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. Because of this, the 6L80 - despite having two or three more gears than its predecessors, is unexpectedly short in length. In fact the input torque rating is 440 lb. If the power circuit to the transmission solenoids fails open, then all solenoids are failed electrically off. Since these are straight cut gears, they will tend to be somewhat noisy. full. After programming, perform the Adaptive Learning Drive Cycle and reevaluate the vehicle. Heres what we mean: Lets assume we have a TH-400 trans in our Chevelle with a 4.10:1 rear gear. As the installer was pumping fluid into the transmission from the right side of the vehicle, he was having a difficult time getting it full. - 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. The 10R80 transmission is a 10-speed, rear-wheel-drive transmission that is controlled by a PCM or a TCM. 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. Fourth 1.80 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. Special tools are often needed when diagnosing transmission problems and overhauling units. GM 6L80 and 6L90 units are now starting to reach their prime age in the repair cycle, and techs across the country are starting to see a consistent pattern of transmission failures with full-size 6L80, 6L90 vehicles. Sonnax highlights two product lines for helping with heavy solenoids for GM/Ford 10L/10R and 9T series transmissions. yr=d.getFullYear(); I didnt realize that it came equiped with such a lame gear ration 3.08. to 885 ft. Seems like the 6 speed auto would be better for the torque curve. I am making a great deal of changes to the truck from a Procharged 5.3 to a head, cam, Fast LSXRT intake LS2 on nitrous before we build a 3.9 bore and stroke twin turbo 372ci setup. Both covers have very similar profiles and thicknesses, and you would not expect that one would be any more prone to flex or distortion than the other. Always inspect the sump for possible evidence of debris that could indicate the pump drive gears could be failing. The OE cover and piston are damaged to the point of not being reusable this is where all of the metal you find in the transmission comes from! 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 ? Change Your Address, Yes, I would like to receive emails from Gears Magazine. Remember, this is just a theory. They dealership gave Brian their opinion of what was making the noise. I believe this would allow a lower horsepower engine to perform similarly to a higher HP engine mated to a TH400. How quickly time passes by. Helping transmission shops achievesuccessful and profitable operation. 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. The exceptions to this would be the 2006-2014 Corvette, 2006 G8, 2010-2015 Camaro, and the Chevrolet SS. Double-step (skipping a gear) upshifts results when a longer time is spent in gear. RPO Code MF6 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. It would be a huge mistake not toAFM is garbage. Retiring Early The Transmission Industry Has Been a Dream Come True, A two-piece valve body with eight solenoids. Please help>> I have a 2013 GMC yukon. It all comes down to the extra rigidity and flatness of the surfaces. 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. But keeping the engine in its ideal RPM range allows the 10L80 transmission to operate with nearly the efficiency of a CVT transmission. Muncie M20 4-speed longitudinal wide ratio manual transmission made by GM at their Muncie, Indiana factory. All rights reserved. These solenoids are directly proportional in that zero current equals zero pressure, and maximum current equals maximum pressure. The Nightmare on Oak Street: A hunt for 4L30E electrical problems How. As the 10 speeds continue to make their way into our shops, keep in mind the more you know about them, the better off youll be. Your car is quick! 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. In doing this, we evaluated another GM unit the 4L60-E TMBX to see if we could pick up any clues. I use this vehicle to tow a 20 ft 10k trailer that I use to carry a 5500lb tractor. It is currently phasing out the 6L80/6L90 transmissions (although it hasn't done its all the way yet. The 6 speed takes a fair amount of trans tunnel work and my Holley Dominator ECU can't control it. 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. But the replacement of this assembly requires new bolts. As an example, combining the TCI Six-speeds 2.97:1 First gear with a 3.50:1 rear gear ratio is equal to a traditional TH-400 (or stock 4L80E) with a 4.19:1 rear gear. The check engine light might be on, and the customer complains of a slipping sensation with intermittent clunks. Always appreciate the great exchanges. 60 mph with cruise on going down hill and truck will start down shifting. 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. Maximum shift speed is 6500 RPM.