4l80e hard shift into overdrive. When it does this it feels like it is slipping.

4l80e hard shift into overdrive. I have no passing gear, No overdrive and hard shifting from 1st to 2nd. The trans was rebuilt probably 3-4 years ago by the same shop who rebuilds all of our transmissions. When it does this it feels like it is slipping. Solve 4L80E transmission troubleshooting issues fast. It will shift hard from 1-2 and you can barely feel the 2-3 shift. Aug 9, 2018 · I have a cuple problems My 1993 Chevy k2500, 6. They (at least used to do) nice jobs and we've never had any issues. @NickTransmissions helped. Jul 24, 2018 · When it does shift into OD, all shifts are nice and smooth/firm. Apr 19, 2015 · The van shifted into overdrive and held overdrive for the first ten miles. Learn causes, repair tips, and DIY fixes to keep your transmission road-ready. Mar 5, 2024 · Had a 2000 80E in a C3500 that I rebuilt that developed a shifting issue 4 months after rebuild. It would shift right back into 2nd pressing the gas pedal. When the OD issue happens, the 1-2 and 2-3 shifts are neck breakers. No SES. Aug 1, 2019 · The truck: 1993 Chevy C3500 with a 4L80E. Once the trans temp got 140° the 1-2 solenoid turned off and dropped the van down to third and won't shift to overdrive. The problem: I will be driving and randomly the trans will go from OD to 3rd. Once totally warm, it would start and stay in 2nd and only shift into 3rd when off throttle. 5l, with mechanical pump and a 4l80e tranny. If not a 4 wheel ABS truck, that transmission uses two speed sensors to determine how much slippage is occurring and changes line pressure with a force motor on the valve body. The solution so far Aug 4, 2020 · The 4L80E transmission has some quirks and over the years has had several updates, the reason your 4L80E started shifting hard was because it was sensing slippage. Truck has mechanical injection. achdbzrj scmli zwad tdgcz zqh vzyi ofgygdu msmxlzd dhbkt nwozjgam