hodgie Posted May 11, 2005 Report Share Posted May 11, 2005 I have a 1991 Grand Prix with the 4t60 non transmission. The fluid looks good to me and the level are up. The problem is going down the road the car will not shift into 3 or 4. Any Ideas about what is happening will be appreciated. Quote Link to comment Share on other sites More sharing options...
JoroCorona Posted May 11, 2005 Report Share Posted May 11, 2005 Which motor? 4T60 or 4T60E? Sounds like your in limp mode for some reason. Quote Link to comment Share on other sites More sharing options...
slick Posted May 11, 2005 Report Share Posted May 11, 2005 Which motor? 4T60 or 4T60E? Sounds like your in limp mode for some reason. I have a 1991 Grand Prix with the 4t60 non transmission. He has the 3.1. The 3.4's got the 60E. Have you changed your filter recently? I'd say drop your tranny pan, change your filter and add more fluid into it, and go from there. Quote Link to comment Share on other sites More sharing options...
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