How do I troubleshoot the transmission on a Pontiac Grand Prix?

Answer by  MechanicTech (103)

Good question, and one that varies by your car model and brand. You should consult either your car manual and refer to the schematic, or call your local auto-shop mechanic.

Answer by  champaign9497 (11977)

Have a garage do it they have all the equiptment to do the job and they won't miss any details. Or you can take the vehicle into the dealership and as far as I know the only difference between having a garage do it and the dealership is the price you will pay for it in the end.

Answer by  twitchard (143)

Always make sure the car is running or the motor is still warm and check the transmission fluid. If severly slipping filters may need changed.