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Check on the bottom side of the transmission for a plug that may have came unplugged. It will make it shift really hard if it is unplugged.
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Your 99 grand prix shifts hard when it is warm?
Some 99 Grand Prix vehicles will shift hard when it is warm. Not all of these vehicles will do this.
Why is my 1999 Pontiac Grand Am 3.4 hard to start when warm It starts right up then dies no problem when cold.?
Replace the fuel pressure regulator, it is leaking fuel past the diaphragm and flooding the motor.
2000 Pontiac grand prix with 64000 miles 31 engine sometimes city driving the transmission shifts hard park for 10-20 minutes it ok changing the fluid-filter what could be the problem?
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play in the drive train
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Why will a 1999 lumina have trouble changing into passing gear when you push hard on the gas but driving normal it shifts great 3.1car?
Cable is out of adjustment.
Heater resistor location on 1999 Pontiac Grand Prix?
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1999 Pontiac Grand Prix I have trouble steering to the right. It turns just fine when I am making Right turns. can you tell me what is wrong?
---- I am having trouble steering to the right on right turns, It is really hard to turn to the right. Do you have any idea as to what this could be?
Where is the blower motor resistor located on a 1993 Pontiac Grand Am?
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How do you remove and install speakers in a 1992 Pontiac Grand Prix SE?
with a screw driver it would help not hard to do use the brain
What causes a chirping noise in the motor of a 2000 Pontiac grand prix?
Original belt? If so, the rubber's gone hard and is slipping.
