Cars
Problem for GMC Cars
Generic problem for all GMC Sonoma Cars

4T60e Transmission will not shift to D/OD




By r_f_ayers on Nov 12, 2008

" "
1997 C1500 w/5.0 Vortec. Vehicle is in excellent cond. and well maintained. It instantly quit shifting to drive/over drive. No slipping or etc. It just appears to go into neutral after second

Clarification Request

Posted by emissionwiz on Nov 12, 2008

How many miles on truck?

Same Problem

Apr 14, 2009

-   i have the same problem except mine is a 1988 olds cutlass ciera. it has the 440-t4 transaxle and shifts fine until it gets good and warm, then nothing except 1st and 2nd gear. -   jehunt46

Jan 18, 2009

-   I have the same problem. Help...-   Guest

Solution #1

posted on Nov 12, 2008
Somewhat Helpful)

stupidass300

Rank: Wiz 
Rating: 83%, 149 votes
it sounds like the 3-4 clutches are out or the forward sprag has failed you may need a tranny rebuild
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