WebApr 5, 2015 · I have a 4l80e in my 2000 Sierra 2500 4x4 Third gear and forth gear don't shift until the rpm hit 4000 , the engine speeds too high and the speedometer hits 60km/hr before shifting into 3 and doesn't shift into top gear until it reaches 100km/hr. It's hard to tell if 1st and 2nd are working properly they appear to be. WebShift problems with 4l80E. My transmission in my 1993 motorhome with a Chevy 4L80E (only 7000 miles on motorhome) will not shift into 3rd gear. The RPMs will jump up but the ****** will not shift. After that is set code 81 and will go into limp mode. I have checked the wiring, the soleniods will click when I ground them.
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WebOct 7, 2024 · 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 speed sensor. Overheating: … WebThe Transmission Rebuilders Network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission … brass stencils home depot
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WebJul 27, 2011 · A leaking O-ring will cause a lack of pressure to build up and shift the appropriate valve delivering pressure to the TCC solenoid or the 4th gear-shifting valve. A … WebA quick guide I threw together to assist you in diagnosing your 4l80e transmission issues issues. Key moments. View all. check the transmission control module. check the … WebCause: If you find your 4L80E has cracked around the bell housing or broken off completely first check for corrosion build up between the transmission bell housing and engine housing, its very common to have enough festering corrosion build up that the transmission "hydraulically" pushes off the engine and breaks the housing around the bolt … brass solder cleaner