Truck will not come out of 3rd gear. Just put brand new transmission in cause I had some bad leaks. Still wot come out of 3rd. Is this a compute problem?

Asked by Dec 09, 2011 at 10:13 AM about the 1996 GMC Sierra 1500 C1500 SLE Standard Cab SB

Question type: Maintenance & Repair

1 Answer

35

it could be also some vehicles shift based on vehicle speed and vacuum mostly american cars cross check with your model to see how its told to shift if its vacuum try going from there

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