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Pontiac Repair/05 Pontiac Grand Prix


I have a 05 Pontiac grand prix. When I'm driving and the car shifts into a gear (automatic) it kinda bumps or kicks . Also the engine light is on but Idk if that has to do with anything. I checked it a while back when it had this problem and it turned out it had no transmission fluid at all so I just put 2 quarts of it and the problem was solved but a few weeks later (present) its happening again. I put more but I checked the stick and it still had some still. Could you help me please to solve my problem.

Hi Javier:
well first off you need to get the leak fixed before you run it too low on fluid and burn the tnramission up. Sounds like you have an issue with a pressure control solenoid in the tranmission. that controls the line pressure and the shift feel. Pretty common on that tranmission if you get the problem go you will have an expensive fix on your hands and possably a burnt up trnamission. good luck :-)

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Todd Puccio


General auto repair,electrical issues,driveability issues,anti-lock brakes,SIR systems,HVAC,engine performance,Gm specific. I have worked at my current dealership since the 1990 model year anything much older than that I have limited exposure to. I do not have very much transmission experience so those question you may want to ask of another expert. When you send me a question let me know the exact make/model/engine and year for the car or suv you have it makes it easier to answer the questions that way. If your happy with the answer I gave you please feel free to Donate. This is a free service to you and I am not compensated at all by this web site. I have 22 years of experience to share with you and my knowledge wasn't free to me. I had to pay for my education.


Experience in the area: I have been a technician in GM dealerships for over 22 years and I am a ASE master technician. I work at a Buick and GMC truck store Previously I worked at a Pontiac GMC store for 18 years. I Served a a lead technician when dealership was on a team system. I just recently moved to a Buick,Hummer,Saab Store when my franchise was purchased by this dealership. Organizations: ASE master technician


Education/Credentials:High school diploma,2 year vocational school degree 2 year college degree. Associates degree in applied sciences (auto technology)Awards and Honors: GMC master technician

Awards and Honors
Master GMC truck technician Master ASE technician in 9 categories

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