4T65E Common Problems

Experiencing harsh shift feel after driving a while? 

Odd shift behavior and harsh shifts after a transmission replacement or gear ratio change?

Irregular TCC operation and loss of engine power?

No change in engine RPM between 3rd and 4th gear? One of the biggest problems with 1997-2002 models

Put your shifter in Drive and out of the blue you have no engagement?

No Reverse engagement Cold or after a fresh rebuild?

Lose all movement in any shifter position?

Shifter in a moving range and hear a strange noise or loss of movement?

Transmission appear OK cold but after a few miles lose all movement?

Notice your tachometer bouncing a few hundred rpm while cruising down the highway?

Pull up to a stop light and then the light turns green and it wont move?

Hear a whine noise sitting at a stop or driving down the road?