The is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. The following list of parts are recommended by our remanufacture as being the parts that are most probably needed to put your 4T80-E back in top running order. From our performance valve bodies and lock-up torque converter to our pressure-tested seals and gaskets our 4T80E transmission is one you can buy with confidence last longer than any other transmission on the market. Regular maintenance cycles and continued checking of fluid levels is critical to the life of your transmission. Lockup clutch failure will occur when the lockup piston applies against and uneven surface. Any part that does not meet our strict guidelines will be completely disassembled and gone through until our quality requirements have been restored. Are you having problems fixing a 4T80E transmission? Upgrades Some transmissions have inherent factory flaws causing them to chronically break down.
Solenoids are nothing more than a fancy electric magnet. Throughout the years this 4 Speed automatic became known for some of its inherent flaws that contributed to it's breaking down. The Cadillac Division had exclusive usage of the 4T80-E until the 1995 Oldsmobile Aurora debuted. Find your kit for exact details. When ordering the torque converter you must supply the four digit code off of the existing unit located on a sticker. There are several electrical problems related to the transmission one of the most serious being it's solenoids.
If you get a different reading or none at all replace the solenoid. Beware: Common Problems of the 4T80E Automatic Transmission Posted by on Thursday, January 17th, 2013 made by General Motors for use in cars with the engine mounted transversely. All types of leaks are common with this transmission, especially those that sit for long periods of time without being driven. It was introduces in 1993 and phased out of production after the 2005 model year. The 4T80 originally used a viscous clutch, but this was changed in 2005. What happens is that the seals and gaskets dry up from lack of use and start to leak. The 4T80E modulator has a propensity to crack causing fluids to get sucked up into the vacuum line.
Buyers warranty begins at original date of purchase and expires 3 years or 36 thousand miles thereafter. Are you looking for 4T80E transmission troubleshooting help, 4T80E rebuilding tips, 4T80E technical service bulletins, 4T80E diagnostics or technical information? Our parts meet or exceed the guidelines set forth by the manufacturer. After years of research we have implemented a series of upgraded components to turn what was once a a flawed transmission to one of the most reliable on the market. If you need something that is not listed just let us know. Another area to look at is the transmission pan gasket. Sometimes a leaking transmission pan can result from someone over tightening the transmission pan bolts. Inspection The final process before shipment is a complete inspection of the entire unit.
Upgraded 4T80E parts: Yes: Performance shift kit, valve body improver kit, and more. Call for more details or hard parts. The when voltage is applied. Grinding off on thread length from all lockup converter bolts is recommended to avert this type of failure. One place to check for leaks is the front seal that stops fluid from coming out of the transmission where the torque converter hub enters the front pump assembly. In older vehicles that sit for long periods of time the diaphragm inside the modulator can get old and dried out, causing it to crack.
These are professional shop manuals which will give you the capability to diagnose problems, and evaluate repair options. This just might free valves and governors that are possible stuck in valve bodies. This heavy duty transmission is a direct replacement for Buick, Cadillac, and Olsmobile vehicles. You might also want to take a look at the seals that keep fluid from coming out of the transaxle where the two front wheel drive shafts enter the transmission. Smart Parts Automotive© official site. Restocking and shipping fees are applied if a customer wants to return a non defective transmission or is outside the continental United States. This information should allow you to get the best deal, Always compare pricing for labor.
Master and deluxe kits are available for most models. . They are just a quick away from helping you out. Designed for transverse engine configurations, the series includes 4 forward gears. Warranty Process: In the rare case of a transmission failure please call our warranty department where a representative will assist you in the warranty process.
Performance Built 4T80E Automatic Transmission and Torque Converter This transmission has been remanufactured at our state of the art facility using the latest advancements in aftermarket technology. If the line has fluids in it, then replace the modulator. The 4T80-E transmission is electronically controlled and features an automatic overdrive transaxle with an electronically controlled torque converter clutch. The resistance for a properly functioning solenoid should be between 20 — 30 ohms. Unit must be returned for our inspection to determine fault. The 4T80-E is a hydramatic transmission and was developed for use with V8 front-wheel-drive cars, specifically for the Cadillac Northstar engine. Deluxe transmission rebuild kits include paper and rubber gaskets, metal clad seals, o-rings, friction clutches, steel plates, sometimes pistons, band, bushings, filter.