96 4t60e dont move when cold

[mikedinthecity]

i dunno much about this car, its a 96 gp se 4t60e 4 spd. the car came and the trans will not go in reverse or drive, under high engine rpm u feel it trying. if you wait til the car warms up it will work, i took it down the road when it first came at it drove fine, tcc worked good. today i found a vacuum leak on the vacuum module line, repaired it and it changed nothing. my feeling is the pump is going out or weak? any ideas?

 

[BillBoost37]

I've heard of this issue before, don't know what causes it. Buddy found that letting it warm up for a minute or two was the key to getting it moving. Overall the trans isn't happy and probably needs to be rebuilt.

 

[robd5078]

If the fluid is full and the filter is installed correctly it sounds like the input clutch seal is bad/hard/rolled

 

[94z28elky]

My 97 GT does the same thing. Running the shifter through the gears and letting it sit in '1' for a short time will usually get it to catch. Once it catches in '1', all the gears work. Revving doesn't seem to help. I drive in '3' until it warms up because it has a delayed downshift into 1st when I stop and will sometimes slip when starting from a stop or turning a corner slowly. Once it's warm, it's fine.

 

[kitt2000]

mine does the same 1994 with 100k also my fulid smells burt

 

[Zef_66]

mine does the same 1994 with 100k also my fulid smells burt

Change it all out. Burnt fluid is never good.

 

[kitt2000]

think it will fix it so it take gear easier

 

[94z28elky]

I changed my fluid and added some Lucas, but it didn't help. Later, I took the return line loose at the tranny and let it run for a few seconds at a time to drain some fluid. Added a whole bottle of Lucas and it seems to have helped a little. I'm tired of spending money on this car, so I'm going to drive it 'til it gets unbearable, than I'll go back to 'old faithful', my 78 El Camino with a stone age, reliable TH350.