To access the tcc regulator valve, the 4l60e transmission unfortunately needs to be taken apart. However, replacing the tcc regulator valve should solve that hard shifting. Some owners report being unable to shift from first to second when in drive or shift into reverse or overdrive gears. Other symptoms include slipping gears and grinding noises. I rebuilt my transmission and followed the book.
It does lung when doing it. Modifying your 4l60e transmission’s valve body can enhance shift performance and extend transmission life but comes with risks such as installation mishaps, a poorly tuned. Op's truck continuously shifts between first and second when driving at slow speeds until he either lets off gas or gives it more throttle. Mine downshifts to first after coasting in. I've changed transmission fluid which also helped a bit for about 2 months, then back to the hard shifting. Usually if i step on the gas it shifts smoothly, and like you mentioned. It's not even consistent, sometimes i can go extremely gentle on the. Park to drive or reverse is hard engagement (clunk)on level ground. But if i go to 1st gear in stead of reverse or drive its smooth. What do you think ? Fluid is new it has new. When your 4l60e transmission fails to shift out of 1st gear, there are a few common signs to look out for: Your vehicle may take a longer time to switch from 1st. The real culprit is the tcc. They come with plastic pistons.
shift hard transmission first check
Fluid is new it has new. When your 4l60e transmission fails to shift out of 1st gear, there are a few common signs to look out for: Your vehicle may take a longer time to switch from 1st. The real culprit is the tcc. They come with plastic pistons. Several things would cause harsh shifting in the 4l60e. I would, scan the computer first to see if there are any transmission issues. Another common problem is a worn out. Line pressure boost control has been the achilles heel of the 4l60e for a long time. Sonnax pinless accumulator pistons reduce accumulator range causing a harder/harsher upshift. With a transgo spacer plate & sk shift kit. you can tailor/tune the 1. Most transmissions with a torque converter slip ever so slightly when shifting to give you that smooth shift, but causes things to wear faster. The truck is a 1999 ecsb 4wd 5. 3. It seems to shift at the correct points, but it really bangs the gears when it does. all of them. It happens when shifting from park into drive. Ever since i bought the car 3 years ago, it tends to shift hard from 1st to 2nd, even if i let the car idle to operating temperature before driving. After driving several miles while the. No tune at all. The 2nd time the torque converter let go and the transmission followed. As far as i can remember it has always hit hard into 2nd. Under normal acceleration it kinda bumps into.
I would, scan the computer first to see if there are any transmission issues. Another common problem is a worn out. Line pressure boost control has been the achilles heel of the 4l60e for a long time. Sonnax pinless accumulator pistons reduce accumulator range causing a harder/harsher upshift. With a transgo spacer plate & sk shift kit. you can tailor/tune the 1. Most transmissions with a torque converter slip ever so slightly when shifting to give you that smooth shift, but causes things to wear faster. The truck is a 1999 ecsb 4wd 5. 3. It seems to shift at the correct points, but it really bangs the gears when it does. all of them. It happens when shifting from park into drive. Ever since i bought the car 3 years ago, it tends to shift hard from 1st to 2nd, even if i let the car idle to operating temperature before driving. After driving several miles while the. No tune at all. The 2nd time the torque converter let go and the transmission followed. As far as i can remember it has always hit hard into 2nd. Under normal acceleration it kinda bumps into. There are some problems that can cause this. Time to have an.
