TC Lockup 4L60E Problem
Drifting
Joined: May 2004
Posts: 1,747
Likes: 1
From: Port McNicoll Ontario
Originally Posted by Lichen
Thanks! I have this same problem on my '93. Had it with the old tranny, and also with the new tranny between 50 - 53 mph. I just took her out, lifted up on the brake pedal, and voila! It worked!
I have similar symptoms and hope the pedal does the trick. Won't know until spring though.
Thread Starter
Advanced
Joined: Sep 2005
Posts: 69
Likes: 0
From: Taylorsville UT
I wanted to update everyone on this issue because you were all so helpful. The problem went away for a while but returned as of a few weeks ago. I sort of just dealt with it but it really started to get pretty bad and I was worried about how long the converter would last. I decided to actually use my Datamaster program that I bought back in February for the first time and found some interesting info. Everytime the torque converter would disengage on the freeway my car threw out a flag called "Neg TPS". Obvisouly a negative TPS sensor value is not a good thing so I replaced the TPS and the car is running great now. I'm really surprised the tranny shop did not do something as simple as data logger but I guess it's in their best interest to sell me a tranny, not fix the actual issue. My Corvette has taught me to not trust anyone to work on my car except for a select few and to always do the work myself if possible.
