4L60E Extreme Slipping
Thread Starter
Teching In
Joined: Sep 2011
Posts: 3
Likes: 0
4L60E Extreme Slipping Hello all!
1998 Z28 with 105K miles. Tranny was serviced approximately 10K miles ago with Dex VI
Driving on the highway, the car briefly downshifted while making a pass. Drove an additional 20 miles without any symptoms out of the ordinary.
While exiting the highway, the car downshifted to 3rd (while braking) and never recovered. The transmission began slipping immediately when applying throttle, and I was never able to get it above 35 MPH after I brought it to a stop. It shifts into reverse, 1st and hits 2nd while acting like it has a 6K stall TC in it. I parked it after a mile or so and got a tow before I did any further damage.
Quick fix?
1998 Z28 with 105K miles. Tranny was serviced approximately 10K miles ago with Dex VI
Driving on the highway, the car briefly downshifted while making a pass. Drove an additional 20 miles without any symptoms out of the ordinary.
While exiting the highway, the car downshifted to 3rd (while braking) and never recovered. The transmission began slipping immediately when applying throttle, and I was never able to get it above 35 MPH after I brought it to a stop. It shifts into reverse, 1st and hits 2nd while acting like it has a 6K stall TC in it. I parked it after a mile or so and got a tow before I did any further damage.
Quick fix?
Thread Starter
Teching In
Joined: Sep 2011
Posts: 3
Likes: 0
Don't think I can save it with a converter?
My thought is that it was locked on the highway, hiding its symptoms. When the car slowed, it unlocked and showed its failure.
My thought is that it was locked on the highway, hiding its symptoms. When the car slowed, it unlocked and showed its failure.
Last edited by Hill1513; May 30, 2017 at 10:04 PM.
Launching!
Joined: Dec 2001
Posts: 259
Likes: 1
From: Durham, NC
I had similar problems with trans occasionally sticking in 3rd randomly. Then after 1-2Kmiles of that occasional problem, it just stayed in 3rd for mebbe 30miles (I was on my way home) and then it wouldn't get out of 2nd. Limped it home and the final few it was slipping like crazy and mostly stuck in 1st. Mine had a guzillion miles on it - was toast.
On The Tree
Joined: Jan 2016
Posts: 181
Likes: 0
From: Indianapolis, Indiana
I was running a SOLO 1 event. Car did great through the whole event. Went to trophy presentation, car cooled off, got back in to head home and 3rd and 4th were gone before I ever left the airport. I don't think there is any rhyme or reason to when and why. It just "gives up".
