Upgrading your car engine system, 6L80e transmission is the right one for your car. Table 1: Search queries for www.mistertransmission.com relating to common transmission problems in the last 90 days. Both are not interchangeable. In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and . How did you add a timer to it? Find a high quality auto repair shop or dealer near you. Read More. No Shifting at all. Common Causes of 6L80 / 6L90 TEHCM Problems . Download: 6L80 Rebuild/Reference Manual. Most of these problems have been related to the converter clutch lining wearing away until the clutch is metal to metal on the cover of . After installing the service pump cover, a transmission may have low line pressure. . Stator support shaft cracking and failed seals. Description. Fullsize Truck & SUV - 1999-2006 GMT800 & 2007-2013 GMT900 Platforms. The 2016 Chevy Silverado did not offer both versions; the only choice was the 6L80 transmission. View Nearby Shops. A final system scan is required after the road test or if problems are detected during the test drive. Tech Support Center. Apply shop air to the hole. A faulty shift solenoid can cause a delay of engagement into any gear. The second is so hard that it almost feels like a shift kit has been installed. What they have in common is working on the 6L80 / 6L90 for the first time. Incorrect gear shifts, gear slipping, or overheating. When you add up the performance upgrades and our wholesale price the 6L80E transmission bargain like no other. Get 6L90 transmission rebuilding tips, 6L90 troubleshooting help, 6L90 technical service bulletins, 6L90 diagnostics and 6L90 technical information from TRNW. . One of the most common issues with this transmission is the failure to go into reverse. While the engineering behind this is sound, the logic is somewhat questionable. If you notice this issue, it is important not to force the car to go into reverse. In October 2006, a recall was issued for Holden VE Commdore vehicles with 6.0-litre V8 petrol engines manufactured from July 2006 to August 2006 for an incorrectly manufactured fuel hose which connected the main fuel line and the injector rail in the engine bay ( PRA 2006/8821 ). The 6L80/90 converters have had numerous problems since they came out in the mid 2000's. There have been problems with the converter, along with problems in the transmission causing problems in the converter. Golden Rule Warranty. This article applies to the Chevrolet Silverado GMT900 (2007-2013). You also checked the spring condition to make sure it is not broken or collapsed. GM 6L80E/6L90E Transmission information. Models 2006-2015 GM Passenger Cars and Trucks equipped with 6L80 or 6L90 Automatic Transmission (RPO MYC or MYD) Condition After installing the service pump cover P/N 24248573, a transmission may have low line pressure. The lugging in lower gears (mostly first) is due to the converter locking up prematurely. The electronically-controlled "E" version of GM's venerable 4L60-E automatic transmission was first released in 1992, and within a year it saw widespread incorporation across many GM RWD models. 6.2/6L80e swap problems; Results 1 to 13 of 13 Thread: 6.2/6L80e swap problems. AC / heater problems 1. exterior accessories problems 1 NHTSA complaints: 1. brakes problems 1 NHTSA . Although not the most common it is very well worth mentioning. Limp mode. Nylon gave the best results, but it always leaked just a little. Among the most common issues heard these days are problems with the 3-5-reverse clutch drum and its operation. Get Your Car Fixed. These are the different signs that can appear when you have problems with a faulty shift solenoid. John Parmenter, Precision International Tech Advisor goes over resolving problems on the 6L80 transmission. The Hummer H2 6L80 transmission is a 6-speed automatic that has been ruggedized to handle the added torque of the 6.2L V8. 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. Transmission Warning Light. If the torque converter is faulty, it might create unexpected pressures inside the torque converter, which can cause rough idling. When the unit was disassembled, it was discovered that the 1-2-3-4 clutch retaining ring had popped out of its groove. Show Printable Version; 10-30-2011 #1. iamkeniff. Transmission Problems in 2016 Chevy Silverado: Troubleshoot, Repairs & Costs. is equipped with a 6L80 or 6L90. 6L80 Lower Valve Body 6L80 Upper Valve Body 1 2 11 This kit fits between the machined surface of the valve body and the case. Last Thursday, I was merging onto the highway, doing about 50 and accelerating up to speed, when the engine redlined, but only because the transmission slipped. Then we have covered the common problems with these . Internal hydraulic leakage, hard part failures and contaminated/failed solenoids are all issues that can plague units, some more than others. The problem was a transmission valve body check ball. It is very simple to use: Lubricate the leak check o-rings. For more information on 6L80 transmission problems, click here. 2010 Suburban LTZ 4x4 with 33,000 miles and the 6L80E transmission. If the vehicle doesn't move in any range, once you eliminate all other possibilities, the output shaft splines in the 6L80E transmissions or 6L90E transmissions may be stripped away. Hard Second Gear - The third most common symptom of a failing 4L60E transmission is the difficulty in shifting to the second gear. RPO code MYC identifies the 6L80 while RPO code MYD indicates a 6L90 is on board. A deep 4.02:1 first gear enables strong launch performance, while the 0.67:1 top gear supports balanced performance on the highway. Models 2006-2015 GM Passenger Cars and Trucks equipped with 6L80 or 6L90 Automatic Transmission (RPO MYC or MYD) Condition After installing the service pump cover P/N 24248573, a transmission may have low line pressure. For more information, make sure to check out our . 6L80E transmission problems? It is designed for use with Chevrolet Performance's LS, LSX, and LT crate engines in 2WD applications, and LS and LSX crate engines in 4WD applications. 6L80 Code (DTC) P0724 Brake Switch Circuit High 6L80 Code (DTC) P0730 Incorrect Gear Ratio 6L80 Code (DTC) P0741 TCC System Stuck Off 6L80 Code (DTC) P0742 TCC System Stuck On 6L80 Code (DTC) P0748 Pressure Control Solenoid Circuit 6L80 Code (DTC) P0751 1-2 Shift Solenoid Valve Performance 6L80 Code (DTC) P0753 1-2 Shift Solenoid Circuit But I've also recently been told that 6.2's can be notorious for having a slight torque converter slip as part of their normal function. If the low line pressure is not identified [] The 6L80 is ideally suited to complement GM's LS or LSX engines that are used in two-wheel drive applications. I've got a 1992 chevy 2500 4x4 6.5TD/4L80E 3.42 gear The trans shifts great in all forward gears, no codes, and locks up the torque converter as it should. How strong is a 6L80 transmission? Check Engine light. Learn the common FAILURES in your 6l80e transmission. This is a much different transmission from the earlier generation 4L60/4L80/4L90E four-speed overdrives. Proper fluid level is achieved when fluid begins to drip from the Level Control Plug opening. These problems can even lead to transmission . Ditch the programmer/chip and go with a blackbear tune. 1. When performing an overhaul, remove the rod and closely inspect for wear or damage. TCM Location Page 9. With 6L80 transmissions having TCC issues, the TCC Reg valve in the valve body is usually looked at first. What are the common 6L80 transmission problems? 6L80E Transmission Failure. These issues can cause problems like delayed shifts, harsh shifts and clutch failure. Most of the time it is a stuck Torque Converter Clutch (TCC) solenoid, but this is not the only cause of this problem. Car Complaints had 648 complaints about the 2017 Silverado, with 75 specific to the transmission. 3. The Transmission Control Module (TCM), an onboard computer, receives and processes input signals from various sensors on the vehicle Troubleshooting the 4L80E Automatic Transmission Page 5 Transmission Control Module (TCM). Most 4wd 6L90Es have 29 splines and the 2wd version have a larger 36 spline. In fact, once the transmission "shifts" into third, it'll feel like you lost the whole thing. 6L80E No Reverse. It's referred to as the 3-4 clutch pack. It clunks like its in, but 100% freewheels. This newer transmission is what . Stator support shaft cracking and failed seals. We'll mention a few common problems with these transmissions. These issues can cause problems like delayed shifts, harsh shifts and clutch failure. After installing the service pump cover, a transmission may have low line pressure. This type of transmission had features such as clutch-to-clutch operation with a wide gear ratio for optimum performance and efficiency. Only show this user. Rough Idling. Friction clutch and 1-way mechanical clutches do as well. Newer GMC trucks equipped with a 6-speed 6L80 transmission can suffer from various intermittent or constant transmission issues. Here is a more detailed list of the most common symptoms of a bad transmission shift solenoid: Contents show. Most of the common 6L80 transmission problems are: Reverse gear Engagement failure Slipping 2-3 Gears We will leave no stone unturned, we WILL find the problem/solution. . The most common symptoms include vehicle failed to start after being driven, battery drainage, the vehicle won't crank up or start but stalls right away. The problem was a transmission valve body check ball. 2008 6.2/6L80e swap. Common Problems Transmission stays in gear for too long. This variant featured more advanced electronic controls, and the ability to handle the increased torque produced by modern engines. We have replacement new, used, & rebuilt GM 6L80 transmissions for sale with free shipping and a 5-year warranty. A bad 3-4 clutch pack can certainly cause the 3'rd and 4'th gear to stop working. Most shops have seen both of these failures, but some aren't aware of their causes. The 6L80/90 converters have had numerous problems since they came out in the mid 2000's. There have been problems with the converter, along with problems in the transmission causing problems in the converter. He laughed and said don't believe what you see on the internet. He said the 07+ trucks are common for bad ignition switches. Remanufacturing companies like Street Smart Transmission inspect each . With a modular design, 6L80 transmissions remanufactured and sold by Certified Transmission have components that are common to the six-speed group of transmissions. 1999-2013 Silverado & Sierra 1500. I think there is also a 6L90. 6L80E's came out in the 09 model crew cab only, at least in the US. It is a six-speed automatic transmission. Gen III and IV Small Block & Drivetrain. Fuel efficiency is not great at 15-18 (city)/19-24 (hwy). Unfortunately, this also seems to be a common problem with the 2021 model of the Silverado 1500 pickup truck. Our list of 82 known complaints reported by owners can help you fix your Chevrolet Silverado 1500. . A number of 6L80 transmission problems can occur however, including slipping and failure of reverse gear. Shift Solenoids - Transmission solenoids are valves that control the flow of fluid throughout your transmission. The problem with these transmissions (2008 - 2016 6L80) have this issue. Spring-loaded bullet ends slide off or develops a burr causing the rod to jam. If codes are present, compare to original code scan recorded prior to transmission . However, more 2019 Silverado transmission problems may get reported as the trucks pass the 100,000-mile mark. Additionally, if left long enough, a look in the trans oil pan will reveal burnt fluid and black sediment. The next-generation Chevrolet Silverado 6L80 transmission was introduced in the year 2005. Report a Problem. Aug 21, 2017. This ranges from harsh or slow shifting, failure to engage any gears, or gear slipping. It was used in automobiles from cars (including the C4, C5 and early C6 . One driver noticed that their Silverado 1500 slammed into first and second gear after a slight . The most common transmission issue includes slamming into gear. Our electronics and adapters will support a 6L80e or 6L90e but with a 6L90e you may need to modify the trans bracket to accommodate the extra length and verify what output shaft spline count you have. Figure 4. General Motors has issued a few Technical Service Bulletins (TSBs) relating to . All 6L90 questions answered by experts 2. Shop Finder. When put in reverse it clunks like its engaging, then won't move, no sign of moving. Some of the most common problems with GM 6L80 transmission are: Transmission fluid leakage Gear slippage Difficulty shifting gears Transmission overheating Shift solenoid malfunction Why is Transmission fluid leakage a problem with GM 6L80 transmissions? Check for bubbles. Some of the common applications for 6L80e transmission modifications include late model such as Chevrolet Camaro, Chevrolet Corvette, Pontiac G8, Cadillac Escalade, GMC Yukon Denali, Hummer H2, and the Chevrolet Silverado. Find the most common issues based on car owner complaints. . What are the common problems with GM 6L80 transmission? The 1-2 solenoid functions exactly the same way. . Yes that's what gm rates them at but we have A LOT of stock 6L80's making 600-800whp with no issues. If this is OK, the decision must be made to inspect the TEHCM or pull the unit and look at the turbine shaft O-ring, the PR valve, the TCC control valve, and converter limit valve in the pump. Metal debris and sludge can damage the solenoids connected to the TEHCM OE design flaws Overheating High mileage . April 20, 2019 GM 8L90 and 8L45 transmission problems have caused a proposed class action lawsuit that alleges the 8-speed transmissions are defective in the following vehicles in California . The 6L80/6L90E transmission fills a much needed duty gap between the versatility of the 4L series and the Allison variety. A lot of . Member Rate: $40.00 : Add to Cart: Non-Member Rate: $55.00 : Add to Cart: Resources. In some cases, it may even cause transmission overheating. 6L80 / 6L90 transmissions do not typically use a dipstick. 11-01-2011 #5. This is an improvement from 90 reported issues with the 2017 Silverado model. In response to the question 'how reliable is the 6L80 transmission?', the answer partly depends on how well the transmission is maintained. I took it to the transmission shop Tuesday morning, explained my symptoms, mentioned possibility of check ball as seen on internet from 3 different transmission shops. Like anything else on the mar-ket, a few growing pains are to be expected when a new transmission is introduced. Another Problem associated with no overdrive. Care to pm some info on that with a diagram/parts used? Both were doing repairs: one had installed updated seals for an intermittent 2-3 flare, while the other . Inside the transmission, you also have pistons, solenoids, valves servo's and a fluid pump that provide and control pressure. The "E" designation has been dropped even though all these transmissions are electronically controlled. . Issues and complaints include hard shifts, hesitation, jerking, and clunking in low gears. Become a GM-Trucks.com Member Today! GM 6L80E/6L90E Transmission information. This is mostly caused by the park pawl or some of the clutches are damaged on the transmission. 2010 Silverado ECRB LT2 5.3L Flex 6L80E 3.42 Z60/Z82 HD Tow Firestone Ride-Rite Bags AiRaid MIT Diablo inTune i2030 Line-X . The 6L80 can use either a 258mm or 300mm torque converter. common shift problems If there is black sediment in the pan before you notice drivability problems, it will soon be time to replace the converter. Note: Please CALL before completing your order to receive a shipping quote, verify vehicle info, confirm core details and deposit. I took it to the transmission shop Tuesday morning, explained my symptoms, mentioned possibility of check ball as seen on internet from 3 different transmission shops. Remanufacturing companies like Street Smart Transmission inspect each . [SIGPIC] [/SIGPIC] . Problem with your Chevrolet Silverado 1500? Newer Chevrolet cars, equipped with a 6-speed 6L80 transmission, can experience sporadic or constant transmission issues. Simply slide the tool into the pump end of the drum. If the low line pressure is not identified [] 6L80 / 6L90 TEHCM Problems. But no matter how tough it is, you may still experience H2 transmission problems. The most common problems are loose or corroded wiring connections. If the coils fail, the solenoid is . Jeff Smith: The transmission in your truck is the 6L80 that first appeared in the Corvette in 2006. This condition may be present in more than one forward gear or if the condition is bad enough, it may result in a no movement forward condition. The most common transfer cases used with the 6L80 transmission are the Borg-Warner BW4485 and the Magna Powertrain MP1222LD. Gears Magazine. Very common problem that will cause a reverse slipping complaint and slipping 2-3 or flare in other shifts, Ratio codes etc is the 1-2-3-3/5-R drum has developed a crack around the bottom of drum under the piston, when removed you can visually see the crack if you look from the outside where the . One of the most common 6L80E transmission problems is the failure of the stator support seals, and cracking of the stator support shaft. This is an example of the 2-3 shifting solenoid. View Profile . And some owners did complain about issues that certainly give us pause. 3. Check ball #1 had shrunk and stuck in the separator plate. Some of the most common are slipping between gears, hard shifts . . It's a terrible thing, but happens a lot. Hope everyone enjoys thanks f. Transmission bands wrap around the parts of the internal transmission parts to allow upshifting and downshifting. Rough idling is another common symptom of a bad torque converter. 6L80 / 6L90 solenoid failure 6L80 / 6L90 pressure control switch failure 6L80 / 6L90 torque converter engagement and disengagement problems . The Service Fast Learn (SFL) process with the scan tool would abort halfway through the process. and the maximum output torque is 664 ft. lbs. 3. (Has never towed anything.) One of the more common problems with GM 6L series units is with the pump or the pressure regulator valve (figure 2). no slipping whatsoever. 6L80 / 6L90 pressure control switch failure 6L80 / 6L90 torque converter engagement and disengagement problems Slipping Unusually harsh shifts Failed shifts Loss of gears Limp mode Common Causes of 6L80 / 6L90 TEHCM Problems Metal debris and sludge can damage the solenoids connected to the TEHCM OE design flaws Overheating High mileage Either pump or regulator valve issues can damage one or more clutches. Regardless, please confirm with your VIN the right transfer case before . Then everything else with a 5.3L or higher has it in '10+. . . Common Hummer H2 6L80 Transmission Problems . A common problem on the 6L80/6L90 family is the 1-2-3-4 / 3-5-R drum will crack around the laser weld, this tool allows the drum to be quickly and easily checked. Check ball #1 had shrunk and stuck in the separator plate. He laughed and said don't believe what you see on the internet. Bad Transmission Shift Solenoid Symptoms. If you feel that your idle is a bit jumpy and sometimes too low and sometimes too high, it could be a torque converter problem. A common problem on many General Motors cars is the Torque Converter Clutch fails to release and causes the car to stall when it comes to a stop. Thread Tools. Be sure to get yours now while supplies last. 6L80/6L90 "No Movement" After Repair. Very common problem that will cause a reverse slipping complaint and slipping 2-3 or flare in other shifts, Ratio codes etc is the 1-2-3-3/5-R drum has developed a crack around the bottom of drum under the piston, when removed you can visually see the crack if you look from the outside where the . One of the most problems that tend to appear is when the wire can either break from excessive vibration in the vehicle or internally short out due to the high temperature that can cause the melting situation of the protective plastic covering of the wire. The 6l80 normal operating temperature is in the 180-200 range when fully warmed up, and this based on the thermostat that prevents transmission fluid from running through the whole transmission cooling system in an effort to improve gas mileage. 9 9 9 4 1 3 12 10 12 10 12 5 12 12 18 6L80 Pump Cover 8 1 21 19 20 6 7 1 1 1 Tool Kit Sold Seperately GM 6L45, 6L50, 6L80, 6L90 * VB-FIX Required ** VB-FIX & VB-06 Required . 3/4 Clutch Pack. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. 6L45/50 and 6L80/90 Transmission Problems. Though the shell is supposed to be one piece, not only can it break off, but it can also strip out the splines. $2,395.00 $3,195 . Problem #1 After installation the unit worked at first but suddenly lost forward; then after a few more minutes, it lost reverse. Only show this user. Your 4L80E has a set of clutches that work with both 3'rd and 4'th gear. Expert technical support through ATRA's Online Tech Support Center. One of the most common 6L80E transmission problems is the failure of the stator support seals, and cracking of the stator support shaft. Core Deposit: $1,000.00. Among the most common issues heard these days are problems Maxxer442. . Over time the shift solenoid's tiny plungers may fail or the electromagnetic coils fail due to constant heat and vibration. Click to expand. Looks awesome and runs great but according to what I've read online it has one of, if not the most common Silverado problem.. Hesitation or sputtering on acceleration at low rpm when engine is under any strain or load. Looking into the searches we receive for our website, most queries related to common transmission problems primarily pertain to issues such as burning smell and overheating, delayed engagement, fluid leaks, and transmission noises. 2011 Sierra 1500 CCSB, 4X4, 6.2L. The 6L90 case is about 1.4" (35mm) longer than the 6L80 case. 5. Fix it before this happens!!! I doubt it would be different in Canada. Most of these problems have been related to the converter clutch lining wearing away until the clutch is metal to metal on the cover of .