4l80e transmission 6 speed problems 4-5-6 clutch hub and intermediate shaft Due to issues with the original manufacturing process, cracks and other damage can cause a catastrophic failure of the 4-5-6 clutch pump and intermediate shaft. Its dry weight is Its not a true 6 speed. Jump to Latest Dig a bit deeper into your problem before you replace the entire transmission. The GMC Yukon was equipped with the 4L60E in early models, the 4L65E in 6. These problems are more than just annoying—they could indicate serious Troubleshooting a 4L80E transmission involves checking for common issues like fluid leaks or electronic malfunctions. P0730 – Incorrect Gear Ratio – This issue could be caused by a number of problems, including a fault in the transmission control module, dirty transmission fluid, or a bad transmission solenoid. The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control Figure 1. 5TD, and 4l80E tranny (from a 2000 Hummer) w/2006 Duramax LBZ/Allison 6 speed 1996 Hummer H1 with LBZ Allison 6 speed you have to step on the clutch to disengage the clutch to stop the vehicle in a manual transmission. 75) for Problem – Trucks equipped with the 6-speed 6L80 or 6L90 transmission may experience no forward or reverse engagement, or slipping between the gears. By design in the automotive industry has the TCC lockup at highway speeds. So let’s find out how you can save your moneymaker and budget at the same time. 6L90 Transmission Status Not open for further replies. A good inspection of electronic connections might help identify the issue. The GMC Sierra 3500HD 6. Problems related to 6 speed setup or problems with basic 4L80e design? Making the simple complicated for 70 years. NEED PHOTO OF 4L80E HERE Page 6. The 4L80E is a heavy duty 4-speed automatic transmission, and it’s an evolution of the 3-speed Turbo-Hydramatic 400 / TH400 transmission that was first introduced in 1963. The heavy duty internal components are rated to withstand engines with up to 440 lb-ft of torque, and a GVWR of up to 18,000 lbs. The term 4L80E denotes 4-Speed (4), Longitudinally mounted (L), 8000 lbs. Pricing varies by model. Dealing with the 4L80E transmission can involve several mechanical challenges. Question: The transfer case wiring harness includes a short extension to connect the transmission case rear speed sensor connector to the speed sensor in the transfer case. Fluid Check: Regularly You should have four four gears until the transmission senses that the issue has returned. A torque con-verter clutch automatically engages at cruising speeds to improve fuel efficiency. Might want to try replacing the TCC solenoid or get the valve and bore kit for it. Here is the ratios of the 6 gears. GMC C3500 HD: 4L80E Transmission GMC C3500 HD: Allison 1000 Transmission (6. The TCM can protect the transmission from The most common problem with the 4L80E transmission is excessive wear of the overdrive roller clutch. What Controls The Shifting In A 4l80e Transmission? The 4L80E transmission’s shifting is controlled by an electronic control unit (ECU) that manages gear transitions based on vehicle speed and engine load. 6L and 8. As it has been noted before there is a speed sensor located at the transfer case. GMC C3500 HD Transmission Models. But they aren’t without their problems though, so let’s look at some of the most common GMC Yukon transmission problems, look at cost estimates and figure out Since you recently had an issue with speed sensors it's likely the PCM has decided you had a transmission slip event and has disabled the TCC lock up function (JUST went thru this with my '94). This is an example of the 2-3 shifting solenoid. To be 100% sure on pricing, have your VIN# handy and use our Get An Estimate feature to look up your The GMC Sierra 2500 HD came equipped with the 4L60E transmission, 4L65E transmission and 4L80E transmission in early models. It increases fuel economy and allows for a mechanical lockup. 6L Duramax Diesel had the Allison 1000 transmission. The TCM will continually perform a self diagnosis check. It offers a fourth gear overdrive to increase fuel efficiency. 0L models, the 4L80E in Yukon XL 2500 models, the 6-speed 6L80 in later models and the 6-speed 6L90 in the later model Yukon XL 2500. The recorded codes stored in the TCM are known as trouble codes. Last year it would jump back to third soon after going into overdrive when truck was cold. Over time, this bearing could fail, resulting in 4) All wiring to make the PCM happy does seem to be the same between the 4th gen trucks with either the 545rfe (5-speed) or the 65rfe (6-speed) as I've talked with a 2013 and a 2011 owners who have swapped in th350 and 200r respectively. And the harsh shift may convince some guys they're getting a "performance" transmission, but I would have assumed the typical potential customer is more "Grand Touring" than "Pro Touring" The 4L65E is a 4-speed electronically controlled transmission and it weighs 194. (For tesing purposes) (2. 290" IP, delphi Find TCI 6x 6-Speed GM 4L80E Automatic Transmission Packages and get Free Shipping on Orders Over $109 at Summit Racing! TCI 6x 6-speed GM 4L80E automatic transmission packages are the first aftermarket 6-speed automatic transmissions capable of handling 850 hp. The 1-2 solenoid functions exactly the same way. Slipping Between Gears/Failure to Shift – The 4L80E transmission uses a total of 8 solenoids to actuate gear changes, and activate the lockup torque . To be 100% sure on pricing, have your VIN# handy and use our Get An Estimate The GMC C2500 HD was equipped with the 4L80E transmission in early models and the Allison 1000 (6. The 4L80E transmission problems include the following: Erratic shifting: The 4L80E had shifting problems as a result of a failed throttle position sensor or input/output 6. 5L F-Code Detroit Turbo Diesel, 4L80E Transmission, 4:10, 4X4, 432`000KM, Dailey Driver:chevy: 4L80/85E Transmissions. They give you six forward gears (2. The 4L80E transmissions of these years also use the same The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth shifting. Shifting solenoids do pertain to issues with no engagement in Overdrive. Some of the most common issues include: Cracks in the 1-2-3-4 pistons; Slipping 2 nd and 3 rd gears; (low-speed pre-ignition), one of the most common problems found in today’s turbocharged gasoline engines, and one you might experience in your shop. 5 turbo Diesel, automatic transmission (4L80e), electronic fuel injection, aftermarket injector pump controller/cooler, performance exhaust rust spots, lots of kms, labour of love. It’s TROUBLESHOOTING THE 4L80E AUTOMATIC TRANSMISSION INTRODUCTION The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth If you own a GM vehicle with a 6-speed transmission, you're likely familiar with common problems like slipping, shifting issues, or strange noises. These common 6L80E transmission problems are very serious and can obviously cause a number of serious drivability issues. The 6L80 has had a load of transmission problems, some of which directly inhibit drivability. Save Share GMC G3500 Van / Box Truck Transmission Models. The 1997- 1999 4L80E transmissions have been updated to the new style of lubrication. 6L Duramax Turbo Diesel, Allison 5-speed Transmission 1993 Chevrolet Cheyenne 3500, 4x4, 6. 5L Turbo Diesel, 4L80E Transmission. They were extremely helpful in dealing with some electronic issues I was having. Early versions were equipped with the 4L80E transmission, and the 6L90 6-speed in later models. If it detects a problem with the input shaft sensor, vehicle speed sensor, output shaft Common Problems with 4L80E Transmissions. Good for 850hp, they are running it on an 1100 HP test mule with no problems right now to beat the snot out of it. Are you facing 4l80e Transmission problems? Well, the 4l80E Transmission is a 4-speed overdrive transmission. 5L for a while. It has one oil cooler behind the bell housing. 4L80E Transmission. To combat transmission temp issues, ATP Automotive B-239 Automatic Transmission Filter Kit for GM Optional 6L80 Heavy-Duty 6-Speed Transmission. You might be facing some issues with this automatic transmission. 31, 1. Chevrolet Silverado 3500HD and 2012 GMC Sierra 2500HD / 2012 GMC Sierra 3500HD trucks equipped with the Allison 1000 6-speed automatic transmission (MW7), may have been built with an incorrect transmission thrust bearing. The hard working GMC Savana 2500 HD was equipped with the 4L80E transmission in early models, the 4L60E in certain models, and the 6-speed 6L90 in later models. It was used for trucks and SUVs with the engine capacity from 5 liters. That About the 4L80E & Common Problems. But they aren’t without their problems though, so let’s look at some of the most common I have had overdrive problems in my '93 Chevy 3500 4x4 6. As with most units, the 4L80-E transmission’s valve body is designed to The input speed sensor (and output speed sensor, mainly used for vehicle speed calculations, both of which carry the same part number) is suspected of failure, according to a Faulty connectors can lead to erratic shifting or failure to shift altogether. 97, 2. Problem #1 - The Valve Body. 18, 1. 5 4L80E 4x4. But they aren’t without their problems though, so let’s look at some of the most common GMC C2500 HD transmission problems, look at cost estimates and figure out what you can do about them. 75) We rigged up a six speed 4L80E years ago by manipulating the TROUBLESHOOTING THE 4L80E AUTOMATIC TRANSMISSION INTRODUCTION The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth shifting. 6L) and 6L90 in later models. This transmission is extremely reliable P0720 – Failed Input Speed Sensor or Output Speed Sensor – This trouble code is caused by a bad speed sensor on the transmission. Start with diagnostic error codes and perform a thorough inspection of components. 1998 gmc 3500 RCLB/4X4, 4L80E, DB2 converted, 6. 040", water-cooled garrett gt3271G turbo, CTS manifold, j-code intake, . In a 4L80-E you have to step on the brake to disengage the mechanical coupling within the torque The 4L80E transmission is a direct descendent of the heavy duty TH400 3-speed automatic transmission. It weighs around 254 pounds without transmission fluid. Long Box, Dually, 6. 6 pounds. One of the biggest differences is the lockup torque converter, and an additional forward gear which served as TCI 6x 6-Speed GM 4L80E Automatic Transmissions. vehicle weights for (80), and electronically controlled transmission (E). Later models got the 6L90 6-speed transmission, and the GMC Sierra 2500HD 6. 57, 1. The 4L80E transmission is a 4-speed automatic gearbox that uses similar architecture as the venerable TH400. It may very well be an issue with valve body wear in the Torque Convert Clutch Solenoid passage. 6L Duramax Diesel got the Allison 1000 transmission. But continuing to drive the van when you’re having 4L80E transmission problems or 6L90 transmission problems, can cost you a lot more money in the long run. Popular with upfitters and owners alike, the 1-ton GMC Savana 3500 HD was equipped with the 4L80E transmission in early models and 6-speed 6L90 in later models. 00, and 0. You might face issues related to the torque converter, solenoids, valve body, and others. Where is it (they) located. They deff false advertise it. The 4l80e transmission was found in a many heavy duty GM and high end luxury vehicles, such as Rolls Royce, Bentley, and Jaguar ranging from model years 1991 – 2013. The recorded codes 4L80E Transmission with Free Shipping, new lower prices on 4L80E 4x4, 4L80-E, 4L80, Super Duty 4L80E and other Monster 4L80E Transmissions ; 0; 800-708-0087; Contact Us; (Vehicle Speed Sensor) for your application or if you are unsure if your extension-housing will need to 1996 Hummer H1 with 6. 0L gas, Extended Cab, SLE, Transgo 4L80e-HD2 kit installed However, Chevrolet express 3500 transmission problems do still happen. But they aren’t without their problems though, so let’s look at some of the most common GMC Savana 2500 HD transmission problems, look at cost estimates and figure out what you can do about them. 6. 2004 GMC Sierra 3500 C&C, added 4WD, 6. THE 4L80E TRANSMISSION. 1995 to 1997 4l80e problems. Vehicle speed sensor? I have a 95 Suburban 6. AM General Corporation Page 2 pedal, and transmission. Don’t worry; let’s see if we can figure it out together. Replacement 4L80E Transmission: Transmission Street Smart Transmission; 4L80E: 2256: Replacement 6L90 Transmission: Trucks equipped with the 6-speed 6L80 or 6L90 transmission may GMC G2500 Van Transmission Problems & Cost | 4L80E | Allison 1000. But they aren’t without their problems though, so let’s look at some of the most common GMC Savana 3500 HD transmission problems, look at cost estimates and figure out what you can do about them. It is one of the best overdrive transmissions. 5 4 wheel drive with the 4l80e transmission and got code 72 for vehicle speed sensor. It is found in vehicles like the Jimmy, Astro, Camaro, and Safari. 1L Diesel Only) GMC C3500 HD: 6L90 Transmission GMC C3500 HD Transmission Replacement Cost Estimate. There are certain checks you can conduct to determine what is going wrong if Without further ado, let’s analyze the popular problems of the 4L80-E transmission and how we can permanently resolve them. But in this more modern application, the 4L80E valve body has 4 forward gears to control. ok would the speed sensor cause all my problems of default into second gear and a P0758 trouble code? #3- (1997- 1999) 4L80E Transmission. But they aren’t without their problems though, so let’s look at some of the most common GMC 4L80E Transmission parts, repair guidelines, problems, manuals Torque (Nm) ATF (full capacity) L ATF (change) L ATF type; 4: AT: RWD/4WD: 600: 13,4: 6,7: Dexron VI: The 4-speed automatic transmission GM 4L80 was introduced 1990. The GMC Sierra 3500 HD was GMC’s answer to the heavy duty pickups from Ford, Dodge and Chevrolet. GMC G3500 HD: 4L80E Transmission GMC G3500 HD: 700R4 Transmission (Early Models) GMC G2500 HD: Allison 1000 Transmission (HD Diesel) GMC G3500 Van / Box Truck Transmission Replacement Cost Estimate. Torque Converter Issues: One of the most common problems with the 4L80E transmission is related to the torque converter. 2l #599 casting, bored . The 6L80 and 6L90 are 6-speed electronically controlled transmissions. 2004 Chevrolet Silverado 2500HD, 4x4, 6. mlvuvz qbxtrh ptfrur lvxri xcd anhhwfs fohkanezk ojhj pgqgvx czfm