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4
votes
2answers
44 views

Boiling Antifreeze

I have a 1998 Pontiac Grand Prix and I have noticed that when I drive it for about 15 to 20 minutes and then park it and turn it off my antifreeze is bubbling. My thermostat does not say it is ...
1
vote
1answer
28 views

1991 Pontiac Grand Prix 3.1 Liter - Alternator replacement fail

1991 Pontiac Gran Prix SE 3.1 liter 6 cylinder. Alternator positive red wire from starter grounded out and split apart. What happened and why? How do I fix it? Is it safe to drive again?
5
votes
1answer
19 views

2008 Grand Prix GPX

What spark plug should I be using? I did my own tune up and the guy at auto advance told me to get some Bosch spark plugs for my car but then I notice less power. A mechanic told me I shouldn't have ...
1
vote
1answer
36 views

Brake issues 2004 Pontiac Grand Prix

Intermittently, my brake pedal will drop slightly, and there will be a loud clunking noise, metal on metal sounding. Normally happens at slow speeds, weather conditions don't seem to be a factor.
1
vote
0answers
24 views

04 Pontiac grand Prix fail [closed]

So I bought my car, 2004 Pontiac Grand Prix and 30 minute it started to over heat. The dealership had no water or transmission fluid so I put both. All of a sudden I turn the car to start makes a ...
4
votes
0answers
36 views

2005 Pontiac Grand Prix overheating

I have recently bought a 2005 Grand Prix V6 non supercharged. It overheats at idle and in park. I have had my head gasket and head resurfaced at Pepboys and replaced my radiator with a larger 1 inch ...
5
votes
1answer
15 views

1999 Grand Prix started to consumed gas

My 1999 Grand Prix is well-maintained. After an oil change it started to consume gas and oil as usual for a week, then started to shake when idling, and slow and gaging when accelerating and feel ...
3
votes
1answer
38 views

Emergency Brakes feel like they are set but are not

When driving my 2006 Pontiac Grand Prix Wide track, it feels as if the emergency brake is on even though it isn't. What is causing this?
2
votes
1answer
139 views

Coolant light is on even after topping off

2000 Pontiac Grand Prix Gte - My low coolant light came on so I parked let it cool down went to auto store n got the Dexcool antifreeze and filled it past the hot marker. Drove it on the interstate ...
2
votes
1answer
48 views

Bad vibration in my car

I have a 2004 Pontiac Grand Prix GT. There is a mild vibration in the front end when the suspension is compressed and I'm accelerating. If I let off the accelerator, it all goes away. I've rotated ...
1
vote
2answers
168 views

1999 Grand Prix Issues

I bought this car used 3 yrs ago. Previous owners spun bearings in motor and replaced with 03. I had numerous issues with the cooling system and overheating since I purchased. I replaced water pump, ...
4
votes
0answers
170 views

Aftermarket Head Unit (HU) on Grand Prix 2008

I just finish installing a China brand Android Aftermarket Double Din. The unit has steering wheel controls built in so no extra adapter is required as long as your vehicle does not have a canbus ...
3
votes
1answer
17k views

My a/c goes in and out at random times. Help!

I have a Pontiac Grand Prix GT 1998. She runs great except my A/C is now acting up. I first noticed it a few weeks ago. I was driving and it was almost like someone had turned the air down so it wasn'...