6L80E No Reverse. 1-888-995-7278. When put in reverse it clunks like its engaging, then won't move, no sign of moving. 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. This variant featured more advanced electronic controls, and the ability to handle the increased torque produced by modern engines. . The 6L80 can use either a 258mm or 300mm torque converter. It was used in automobiles from cars (including the C4, C5 and early C6 . Gen III and IV Small Block & Drivetrain. 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. [SIGPIC] [/SIGPIC] . This newer transmission is what . 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 . 2011 Sierra 1500 CCSB, 4X4, 6.2L. It is a six-speed automatic transmission. This is an example of the 2-3 shifting solenoid. 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. . In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and . A deep 4.02:1 first gear enables strong launch performance, while the 0.67:1 top gear supports balanced performance on the highway. Find the most common issues based on car owner complaints. Your 4L80E has a set of clutches that work with both 3'rd and 4'th gear. Remanufacturing companies like Street Smart Transmission inspect each . He said the 07+ trucks are common for bad ignition switches. 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. While the engineering behind this is sound, the logic is somewhat questionable. The 6L80 is ideally suited to complement GM's LS or LSX engines that are used in two-wheel drive applications. Then we have covered the common problems with these . All 6L90 questions answered by experts 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. In fact, once the transmission "shifts" into third, it'll feel like you lost the whole thing. Check ball #1 had shrunk and stuck in the separator plate. The 6L80/6L90E transmission fills a much needed duty gap between the versatility of the 4L series and the Allison variety. If codes are present, compare to original code scan recorded prior to transmission . Care to pm some info on that with a diagram/parts used? What are the common 6L80 transmission problems? We have replacement new, used, & rebuilt GM 6L80 transmissions for sale with free shipping and a 5-year warranty. AC / heater problems 1. exterior accessories problems 1 NHTSA complaints: 1. brakes problems 1 NHTSA . This is a much different transmission from the earlier generation 4L60/4L80/4L90E four-speed overdrives. When performing an overhaul, remove the rod and closely inspect for wear or damage. CONCERN: 6L80/6L90 (RPO MYC, MYD) applications built before June of 2010 may exhibit a slip condition related to the operation of the 1 -2-3-4 clutch. . If the coils fail, the solenoid is . 6L80 / 6L90 TEHCM Problems. The problem was a transmission valve body check ball. Shifting solenoids do pertain to issues with no engagement in Overdrive. Only show this user. no slipping whatsoever. 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. 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. These issues can cause problems like delayed shifts, harsh shifts and clutch failure. How strong is a 6L80 transmission? It is very simple to use: Lubricate the leak check o-rings. Core Deposit: $1,000.00. These problems can even lead to transmission . GM 6L80E/6L90E Transmission information. John Parmenter, Precision International Tech Advisor goes over resolving problems on the 6L80 transmission. 3. Additionally, if left long enough, a look in the trans oil pan will reveal burnt fluid and black sediment. A number of 6L80 transmission problems can occur however, including slipping and failure of reverse gear. Check Engine light. Like anything else on the mar-ket, a few growing pains are to be expected when a new transmission is introduced. View Nearby Shops. 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. This article applies to the Chevrolet Silverado GMT900 (2007-2013). If the torque converter is faulty, it might create unexpected pressures inside the torque converter, which can cause rough idling. The most common transfer cases used with the 6L80 transmission are the Borg-Warner BW4485 and the Magna Powertrain MP1222LD. This type of transmission had features such as clutch-to-clutch operation with a wide gear ratio for optimum performance and efficiency. These issues typically revolve around oil leaks in the circuit for the 3-5-reverse clutch. 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 . 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 ). One of the most common issues with this transmission is the failure to go into reverse. . 2. He laughed and said don't believe what you see on the internet. Aug 21, 2017. After installing the service pump cover, a transmission may have low line pressure. Upgrading your car engine system, 6L80e transmission is the right one for your car. And some owners did complain about issues that certainly give us pause. Report a Problem. If you notice this issue, it is important not to force the car to go into reverse. CB750 said: Maximum engine input torque for the 6L80 is 440 ft. lbs. Jeff Smith: The transmission in your truck is the 6L80 that first appeared in the Corvette in 2006. Read More. 3/4 Clutch Pack. 3. 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 . and the maximum output torque is 664 ft. lbs. Newer Chevrolet cars, equipped with a 6-speed 6L80 transmission, can experience sporadic or constant transmission issues. Both are not interchangeable. 6L80E's came out in the 09 model crew cab only, at least in the US. With a modular design, 6L80 transmissions remanufactured and sold by Certified Transmission have components that are common to the six-speed group of transmissions. Spring-loaded bullet ends slide off or develops a burr causing the rod to jam. Metal debris and sludge can damage the solenoids connected to the TEHCM OE design flaws Overheating High mileage . Most 4wd 6L90Es have 29 splines and the 2wd version have a larger 36 spline. Online Buyer's Guide. Download: 6L80 Rebuild/Reference Manual. When you add up the performance upgrades and our wholesale price the 6L80E transmission bargain like no other. 6L80/6L90 "No Movement" After Repair. Click to expand. Most of the time it is a stuck Torque Converter Clutch (TCC) solenoid, but this is not the only cause of this problem. However, more 2019 Silverado transmission problems may get reported as the trucks pass the 100,000-mile mark. RPO code MYC identifies the 6L80 while RPO code MYD indicates a 6L90 is on board. This is mostly caused by the park pawl or some of the clutches are damaged on the transmission. Show Printable Version; 10-30-2011 #1. iamkeniff. 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 Transmission Control Module (TCM), an onboard computer, receives and processes input signals from various sensors on the vehicle I doubt it would be different in Canada. Fullsize Truck & SUV - 1999-2006 GMT800 & 2007-2013 GMT900 Platforms. Common Problems Transmission stays in gear for too long. 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. 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. 1999-2013 Silverado & Sierra 1500. Although not the most common it is very well worth mentioning. (Has never towed anything.) 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 . Friction clutch and 1-way mechanical clutches do as well. Problem #1 After installation the unit worked at first but suddenly lost forward; then after a few more minutes, it lost reverse. All previous GM transmissions had been based on hydraulic controls with more electrical aspects with each upgrade, but this unit was developed as a electro/hydraulic controlled transmission. Internal hydraulic leakage, hard part failures and contaminated/failed solenoids are all issues that can plague units, some more than others. 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. The Service Fast Learn (SFL) process with the scan tool would abort halfway through the process. 1. No noise, no clunk, no bang, just slipped. General Motors has issued a few Technical Service Bulletins (TSBs) relating to . 11-01-2011 #5. These are the different signs that can appear when you have problems with a faulty shift solenoid. Newer GMC trucks equipped with a 6-speed 6L80 transmission can suffer from various intermittent or constant transmission issues. Remanufacturing companies like Street Smart Transmission inspect each . 2008 6.2/6L80e swap. The problem with these transmissions (2008 - 2016 6L80) have this issue. Among the most common issues heard these days are problems with the 3-5-reverse clutch drum and its operation. 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. Another Problem associated with no overdrive. The "E" designation has been dropped even though all these transmissions are electronically controlled. Our list of 82 known complaints reported by owners can help you fix your Chevrolet Silverado 1500. . Transmission Warning Light. For more information on 6L80 transmission problems, click here. 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. This ranges from harsh or slow shifting, failure to engage any gears, or gear slipping. . You also checked the spring condition to make sure it is not broken or collapsed. 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. Share your car problem . 6.2/6L80e swap problems; Results 1 to 13 of 13 Thread: 6.2/6L80e swap problems. Fuel efficiency is not great at 15-18 (city)/19-24 (hwy). Incorrect gear shifts, gear slipping, or overheating. 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. 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. 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. Golden Rule Warranty. In some cases, it may even cause transmission overheating. Jul 1, 2012. TCM Location Page 9. 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. Hope everyone enjoys thanks f. 6L80E transmission problems? Description. With 6L80 transmissions having TCC issues, the TCC Reg valve in the valve body is usually looked at first. 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 . Symptoms include harsh or delayed shifting, inability to engage certain gears, and slipping when shifting gears. Check for bubbles. Limp mode. Transmission Problems in 2016 Chevy Silverado: Troubleshoot, Repairs & Costs. 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 . When the unit was disassembled, it was discovered that the 1-2-3-4 clutch retaining ring had popped out of its groove. Gears Magazine. 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 Table 1: Search queries for www.mistertransmission.com relating to common transmission problems in the last 90 days. . If the low line pressure is not identified […] 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. A faulty shift solenoid can cause a delay of engagement into any gear. Common Causes of 6L80 / 6L90 TEHCM Problems . common shift problems One driver noticed that their Silverado 1500 slammed into first and second gear after a slight . The 2016 Chevy Silverado did not offer both versions; the only choice was the 6L80 transmission. Unfortunately, this also seems to be a common problem with the 2021 model of the Silverado 1500 pickup truck. 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. A bad 3-4 clutch pack can certainly cause the 3'rd and 4'th gear to stop working. Apply shop air to the hole. If the low line pressure is not identified […] Most shops have seen both of these failures, but some aren't aware of their causes. Learn the common FAILURES in your 6l80e transmission. The next-generation Chevrolet Silverado 6L80 transmission was introduced in the year 2005. Here is a more detailed list of the most common symptoms of a bad transmission shift solenoid: Contents show. I do tuning support for many major speed/rebuild shops and have thousands of hours loging/tuning/testing my own 2010 test Camaro. What they have in common is working on the 6L80 / 6L90 for the first time. $2,395.00 $3,195 . . One of the more common problems with GM 6L series units is with the pump or the pressure regulator valve (figure 2). 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. The problem was a transmission valve body check ball. Bad Transmission Shift Solenoid Symptoms. 3. . Transmission bands wrap around the parts of the internal transmission parts to allow upshifting and downshifting. Nylon gave the best results, but it always leaked just a little. Figure 4. Shop Finder. The second is so hard that it almost feels like a shift kit has been installed. It's a terrible thing, but happens a lot. Get Your Car Fixed. Common Hummer H2 6L80 Transmission Problems . How did you add a timer to it? Check ball #1 had shrunk and stuck in the separator plate. The Hummer H2 6L80 transmission is a 6-speed automatic that has been ruggedized to handle the added torque of the 6.2L V8. Regardless, please confirm with your VIN the right transfer case before . Inside the transmission, you also have pistons, solenoids, valves servo's and a fluid pump that provide and control pressure. Over time the shift solenoid's tiny plungers may fail or the electromagnetic coils fail due to constant heat and vibration. The lugging in lower gears (mostly first) is due to the converter locking up prematurely. A final system scan is required after the road test or if problems are detected during the test drive. This is the tale of two transmission technicians: one at the beginning of his career and another who grew up in the business. I've ran a dozen different converters from 1800K-6000K stall and four different 6L80E transmission mods. Become a GM-Trucks.com Member Today! Stator support shaft cracking and failed seals. Proper fluid level is achieved when fluid begins to drip from the Level Control Plug opening. He laughed and said don't believe what you see on the internet. It's referred to as the 3-4 clutch pack. 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. Member Rate: $40.00 : Add to Cart: Non-Member Rate: $55.00 : Add to Cart: Resources. 6L80 / 6L90 solenoid failure 6L80 / 6L90 pressure control switch failure 6L80 / 6L90 torque converter engagement and disengagement problems . 6L80E Transmission Failure. Only show this user. 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. Problem with your Chevrolet Silverado 1500? 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. Fix it before this happens!!! Though the shell is supposed to be one piece, not only can it break off, but it can also strip out the splines. Expert technical support through ATRA's Online Tech Support Center. Car Complaints had 648 complaints about the 2017 Silverado, with 75 specific to the transmission. With only 30k miles on the truck, I may still try a flush and refill of the transmission fluid and hope that helps. Shift Solenoids - Transmission solenoids are valves that control the flow of fluid throughout your transmission. Some of the most common are slipping between gears, hard shifts . 6L80 / 6L90 transmissions do not typically use a dipstick. Sign up for FREE! Be sure to get yours now while supplies last. 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. Stator support shaft cracking and failed seals. Either pump or regulator valve issues can damage one or more clutches. Tech Support Center. body / paint problems 2 NHTSA complaints: 27. electrical problems 2 NHTSA complaints: 5. There is a drum inside the transmission that has a weld on it that ends up cracking, which in turn affects the pump (I don't know what I'm talking about, just reiterating in broken English what I was told) and eventually transmission failure. 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 . Find a high quality auto repair shop or dealer near you. Thread Tools. These issues can cause problems like delayed shifts, harsh shifts and clutch failure. One of the most common 6L80E transmission problems is the failure of the stator support seals, and cracking of the stator support shaft. The most common problems are loose or corroded wiring connections. 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? What are the common problems with GM 6L80 transmission? I think there is also a 6L90. Rough Idling. It clunks like its in, but 100% freewheels. GM 6L80E/6L90E Transmission information. 2010 Suburban LTZ 4x4 with 33,000 miles and the 6L80E transmission. is equipped with a 6L80 or 6L90. Get 6L90 transmission rebuilding tips, 6L90 troubleshooting help, 6L90 technical service bulletins, 6L90 diagnostics and 6L90 technical information from TRNW. If there is black sediment in the pan before you notice drivability problems, it will soon be time to replace the converter. One of the most common 6L80E transmission problems is the failure of the stator support seals, and cracking of the stator support shaft. Note: Please CALL before completing your order to receive a shipping quote, verify vehicle info, confirm core details and deposit. We will leave no stone unturned, we WILL find the problem/solution. This is an improvement from 90 reported issues with the 2017 Silverado model. Simply slide the tool into the pump end of the drum. Rough idling is another common symptom of a bad torque converter. 2006 Holden VE Commodore V8: incorrectly manufactured fuel hose. The 6L90 case is about 1.4" (35mm) longer than the 6L80 case. After installing the service pump cover, a transmission may have low line pressure. 6L45/50 and 6L80/90 Transmission Problems. Most of the common 6L80 transmission problems are: Reverse gear Engagement failure Slipping 2-3 Gears Shift Problems and Overheating. In response to the question 'how reliable is the 6L80 transmission?', the answer partly depends on how well the transmission is maintained. No Shifting at all. View Profile . Among the most common issues heard these days are problems Maxxer442. Issues and complaints include hard shifts, hesitation, jerking, and clunking in low gears. For more information, make sure to check out our . Troubleshooting the 4L80E Automatic Transmission Page 5 Transmission Control Module (TCM). The 6L80E transmission is prone to issues that include: 2-3 harsh or delayed shifts, harsh or delayed shifts from park or reverse, burnt 1-2-3-4, or 3-5 reverse clutch, check engine light (DTC P0751 Code), converter shudder due to flaking of the converter lining, shudder on low/reverse apply, TEHCM and/or CAN software malfunction.
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