Interestingly enough, it was not long after this that Brian received another 10L80 with the same issue to resolve. But look at the clutch pistons and spring dampers they are markedly different. The 10R80 doesn't have a traditional "front" pump. Team ATF builder Super Dave doing his magic on assembling the First 10L80 transmission ATFSpeed has had come thru the shop. ASK FOR CHAD - Freight Shipping - 90 Day Warranty. The 4L80 features a 310 mm torque converter. vehicle weights. However, it is a long transmission and is not compatible with short-wheelbase Jeeps such as the CJ5. Your cooperation with this program is greatly appreciated. Knowledge is power use it to protect your customer, your unit and yourself for miles and miles to come. For both types A and B, a freeze-frame record will be stored in memory if the MIL illuminates. I believe this would allow a lower horsepower engine to perform similarly to a higher HP engine mated to a TH400. 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. Special tools are often needed when diagnosing transmission problems and overhauling units. 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). Lots of good information I do have one question That no one seems to be able to give a good answer to. Gm hydro 10 speed. 60 mph with cruise on going down hill and truck will start down shifting. This product is NOT intended to be used on factory OE vehicles such as; Cadillac, Corvette, Camaro Will it be like the 5th gen's where the ss got the 6L80 and the more powerful ZL1 got the 6L90? Shift the transmission to Reverse. The 6L90 has a beefier set of gears and many internal upgrades. The question is will the 10L80 be as strong as the 10L90? : 18-NA-355 Special Tools DT-52263 Transmission Fluid Exchange Kit: DT-52263-1 Block Assembly (includes fluid drain The 10L80 was a joint engineering effort between GM and Ford. However some 2wd vans and HD truck versions had a, J Series Trucks & Wagons, (I6 The 6L80 was, from the ground up, developed as an electric over hydraulic transmission with microprocessor control. Applications. The torque converter is a fluid turbine drive and - like those on its predecessor transmissions, the TH350C, 700R4, 4L60, and 4L80E - features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. Conceptually, locking the converter should help the mph trap speed by reducing slippage. The subject is a rather common electrical fault that may occur on the PCS line pressure solenoid circuit, which results in max line pressure. And with four gearsets and six clutches (2 brake, 4 rotating), the 10L80 10-speed has just one more clutch than the 8L90 8-speed transmission (this is partly because of a unique triple-clutch assembly mounted near the middle of the case). 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. Convert your american classic car with more modern technology. Inspect the warmer for damage and related lines for leaks (Figure 4). The case is a cast aluminum alloy. Renew Subscription With this in mind, there are (3) major groups of failure management strategies that are used when certain diagnostic trouble codes are present. Every modern GM vehicle has one of these sheets in its glove compartment. Do you know does the aftermarket have a fix? But the replacement of this assembly requires new bolts. The 10-speed first appeared in the 2017 Camaro ZL1 backing up the 650-horsepower, supercharged 6.2L engine. Read more columns from our Shift Pointers series here. The 6L80 / 6L90 TEHCM is located inside of the transmission on the 6L80 / 6L90 valve body. Reply. At times the 10-speed transmission may skip gears when the vehicle starts from a complete stop. Im with you on AFM is crap. Please help>> I have a 2013 GMC yukon. Sonnax has a line of upgrade parts that address some of the 6L80 and 6L90 transmission weaknesses. Codes P0741 or P1744 may or may not set in the PCM or TCM (depending on application). The height of the standpipe tube attached inside the transmission to the bottom of the pan sets the oil level. Thought's? The TCM-2600/2650 is used to enable the use of the GM 6l50e, 6L80E, 6l90E, 6T70E and 6T75 E transmissions behind practically any engine. 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. 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. check the starter bendix and see if its loose and bouncing off the flywheel. Genuine ICT Billet - Bolts Made in USA!!!! Its extremely important to scan all modules for codes and address those codes first! Seventh 1.00 They all look really similar, so make sure that you bother to count the pan gasket bolts, especially if you have an untrained eye. The 6L80 transmission pan is similar in shape but the 6L80 is shorter at 17 1/2 inches. 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. This platform did not get Gen 4 (58x CKP) engines until 2008. Your car is quick! A remanufactured 10L80 on the other hand, is completely remanufactured, and its designed to exceed the manufacturers original specifications. Legal/Privacy. Tested: 2023 BMW M4 CSL Is a Track Monster. TRU-STREET 10L90E TRANSMISSION W/ 1800 STALL LOCK UP CONVERTER. These solenoids are directly proportional in that zero current equals zero pressure, and maximum current equals maximum pressure. It does not have a direct 1:1 ratio like the 4L80E and 4L60E, which is worth noting. 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. 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 6L80 in its transaxle version for the Corvette. Click Here to Email our Sales & Tech Staff 888-748-4655 Local: 330-965-7146 International: 001-330-652-5855 Mon-Fri 8am-5pm EST Sat-Sun: Closed So is the 10L90 entirely different or does it just have stronger parts? The 10R80 transmission is a 10-speed, rear-wheel-drive transmission that is controlled by a PCM or a TCM. Fluid Type Mercon ULV ATF Thread starter 2nazty; Start date Nov 26, 2018; Nov 26, 2018 #1 2. and the maximum output torque is 664 ft. lbs. 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. Comes with a complete harness and the necessary software to program the TCM-2650 Module. 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. LT). Copyright 2012 This is a normal and desired behavior. The drive gear and idler gear with the bearing are not sold separately. Where the original 4L80E First gear is 2.48:1, TCI created a 2.97:1 First gear ratio. Upon full inspection, the unit is loaded with metal, and the pump (bell housing) is worn to the point of needing remachining or replacement. How is this different from the GM 6L80E transmission that is used in the Corvette or in the newer GM trucks? The 6L80 (and similar 6L90) is a six-speed automatic transmission built by General Motors at its Willow Run Transmission plant in Ypsilanti, MI.It was introduced in late 2005, and is very similar in design to the smaller 6L45/6L50, produced at GM Powertrain in Strasbourg, France.It features clutch to clutch shifting, eliminating the one-way clutches used on older transmission designs. Theres also a unique internal thermal bypass that allows the transmission to warm up faster, reducing fuel consumption on cold starts. Since these are straight cut gears, they will tend to be somewhat noisy. 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 * DOES NOT INCLUDE A DRIVESHAFT OR CROSSMEMBER. 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. The readers on this site are a pretty sharp bunch. Engine speed: Directly affects shift scheduling, Torque Converter Clutch (TCC) control, line pressure, and transmission diagnostics. Engine | Drivetrain | Powertrain Technical Discussions, https://www.delphi.com/dynamic-skip-fire-1. All of the 1998-up cases used behind the LS family of engines used the separate bellhousing style of case. 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. NonStop-Transmission. $499.00. R.F. The thought is that the bowl shape of the TMBX is better suited towards a more even apply, and because its thinner, the TMBX piston has the ability to flex and better conform to the front cover. Also since the transmission is different the gearing and tuning are naturally different. Honda CR-V Hybrid Racer Is an 800-HP Test Bed. 2. Wait 2 seconds. Copyright 2023 - Transmission Repair Cost Guide. Now controlled by computers, the E series transmission allowed for a wide range of tuning options. But its interesting to note that there is a very low cover/piston failure rate for the 4L60-E TMBX converter. and GCVW of 21,000 lbs. The same shift strategy that is used for the upshift may be applied during a downshift. The 6l80 was designed to handle the torque output of some of GM's biggest late-model LS (gen 4) and LT (gen 5) v8 engines, but a number of design flaws created most of the common 6L80E transmission problems. After programming, perform the Adaptive Learning Drive Cycle and reevaluate the vehicle. 2nazty New Member. Because of this, the 6L80 - despite having two or three more gears than its predecessors, is unexpectedly short in length. Newer to the transmission world is its use of direct clutch-to-clutch shifting and the total lack of bands. I use this vehicle to tow a 20 ft 10k trailer that I use to carry a 5500lb tractor. Both 2wd and 4wd versions of the 6L80 can be used equally well, and there are no inherent advantages to either one once you have installed our adapter assembly. The 8L90 and 6L80 have the same size output shaft and mounting pattern. Accelerate from a stop with light throttle (15%), ensuring that upshifts 1st through 8th occur at engine speeds between 1300-1600 rpm. The location of the warmer and the routing of the hoses can vary widely. Complaints of erratic shifting, poor shift quality, missed shifts, and other shifting and TCC control complaints are becoming more common with these units. One needs to realize that the stamped covers are not all that flat to begin with. 10L80 Performance Rebuild. Why is that? full. (incl. For a type B code, the fault must be present after two consecutive ignition cycles, otherwise, the MIL will not illuminate (however, a pending code will store). this means that dimension "C" is usually longer than dimension "B". We pride ourselves in staying at the forefront of our industry, technology, research & development and our commitment to you, our customer. To be honest, we arent 100% sure of the real reason for JMBX cover and piston failure, but we do have a theory. Change Your Address, Yes, I would like to receive emails from Gears Magazine. 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. RECALLS! Homepage: Garage: Wiki: Register: Community: Calendar: Today's Posts: Search: #Camaro6 . Running 12.60s at 111 is a fun ride! For the 4L60-E TMBX, the pistons are .115" thick, and for the 6L80, 6L90 JMBX, the pistons are significantly thicker at .150". Allows easy highway cruising, seamless downshifts, Transbrake and 2nd gear (2.34) leave options through multiple templates tuned independently of the engine management system! GM LS1 - 9 and Chrysler/Mopar Gen III & Viper V10, Chevrolet Transmissions with Dimensions and Fluid Capacity, Chrysler Transmissions with Dimensions and Fluid Capacity, Ford Transmissions with Dimensions and Fluid Capacity, Torque Converters with Dimensions and Fluid Capacity, TH700R4 / 4L60E / 4L65E Stage II - Stage V, 6L80E / 6L90E Frn Std till 1000Hp version, 6L80E / 6L90E From Stock to 1000Hp version. 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? Your email address will not be published. The taper may exist so that the clutch surface goes flat when the cover is welded together were not sure. This seems to indicate that there will be other 10L80 transmissions that will be experiencing this same new kind of pump noise condition. Its only about a 3/4-inch band around the inside circumference of the converter. This pan fits the GM 6L90, 6L90E transmission, typically found on these vehicles: .
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