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Pontiac Grand Prix - 2005 and earlier

4431 messages,  Last post on Nov 30, 2009 at 7:07 AM

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What is this discussion about? Pontiac Grand Prix, Sedan

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#4271 of 4431 Re: Grand prix 2001 road noise? [thunder_320] by bmwguy2 Nov 13, 2005 (5:33 am)
Replying to: thunder_320 (Nov 01, 2005 6:24 am) hi there ,i have a stock 2001 grandprix special edition coupe,i also work for a bmw dealer here in new jersey ,well to the point,it seems most likely its a wheel bearing noise,if possible when your driving ,on a safe road ,with no other cars ,shut the engine off and put into neutal,and see if you can isolate the noise ,if you slightly turn steering wheel to the left or right ,the noise may change if its from the front ,or you can have the vehicle liftef off all four tires and spin tires,listen for roughness when they are spinning,by hand usually a bad bearing will not be quiet ,due to the mileage its a good chance ,i know bmws but noises dont change from vehicle to vehicle,also check for ,after driving and braking if one brake caliper is hotter than another ,it could be hanging up alittle ,again would cause noise,but you might smell brakes getting hot on this one,please let me know ,also if you can get to a lift ,have someone get in car ,raise up and put vehicle in drive ,on lift and have some-one search for noise underneath car ,was car ever in a flood or in alot of water ,water may have gotten past the seal and damaged the wheel bearing ,if its a bearing ,hope this hepls ,michael
#4272 of 4431 Re: 2001 GTP Questions...... [mrsb] by bmwguy2 Nov 13, 2005 (5:43 am)
Replying to: mrsb (May 11, 2005 6:06 pm) hi there .it seems that the coolant level sensor is bad ,when coolant is cold,it contracts ,as it warms up,it expands ,it seems that the level sensor is bad ,if you have a gm extended warranty,this might be covered ,its on the right side of the engine looking front to rear,but you have to gain access from under car to remove hose and clamps from engine to replace,it does sit high in engine compartment,where you might be able to get access,but i doubt it,i have a 01 gtp special edition,michael
#4273 of 4431 95' GRAND PRIX GTP PROBLEMS by hayze Nov 16, 2005 (8:10 am)
I PURCHASED MY 95' GRAND PRIX GTP 3 YEARS AGO. A YEAR AFTER I BOUGHT IT THE TRANNY WENT OUT OTHERWISE IT'S RUN GREAT. I REALLY LOVE MY CAR. ABOUT A MONTH AGO IT STARTED TO IDLE ROUGH WHEN FIRST STARTED AND WOULD SOMETIMES SHUT OFF. IF I START DRIVING RIGHT AWAY AFTER A FEW BLOCKS IT'S FINE. BUT IF IT SITS FOR A FEW HOURS IT HAPPENS AGAIN. I'VE CHANGED THE FUEL FILTER AND THE SPARK PLUGS. I'VE PUT FUEL INJECTOR CLEANER IN IT AND NOTHING SEEMS TO BE WORKING. I HAD IT HOOKED UP TO A COMPUTER AT A LOCAL SHOP AND THEY SAID NOTHING SHOWED UP. WITH IT GETTING COLDER OUT THE PROBLEM SEEMS TO BE GETTING WORSE. ANY IDEAS WHAT COULD BE THE PROBLEM? Replies to this message: grandprix95 (Feb 25, 2007 10:11 am)
#4274 of 4431 Re: 2002 Grand Prix GT Window Regulator Problems [azadmin] by azadmin Nov 19, 2005 (1:53 pm)
Replying to: azadmin (Sep 18, 2005 9:40 am) ???
#4275 of 4431 Help Please by greganddonna Nov 20, 2005 (8:44 pm)
Hi We are new to this forum and we love it and find it very informative! We have a chance to buy a 1 owner 2001 Pontiac Grand Prix very clean with 70K miles and new tires for $6500. But after reading all of these posts there seems to be a pattern with certian problems. My question is is this a good buy? Would you buy the Grand Prix if you had it to do over? Also tried to get info about the car with the vin from CARFAX and the like and no info is availalbe, is that normal if the car is clean????   Thanks so much!!! Any info will be greatly appreciated!!!    Greg and Donna Replies to this message: hammen2 (Nov 25, 2005 12:23 pm) kairos (Apr 20, 2006 5:42 am)
#4276 of 4431 1999 Grand Prix Climate Control by akaram Nov 25, 2005 (10:12 am)
have a 1999 Grand Prix. The heater fan control works on the highest setting only. When I turn the control on, the fan squeals quite a bit with a high squealing sound. Any ideas? Replies to this message: hammen2 (Nov 25, 2005 12:17 pm) entourage (Dec 01, 2005 7:08 am) hammen2 (Dec 01, 2005 12:03 pm) and 2 more... lovegto (Dec 02, 2005 6:50 am) and 1 more...
#4277 of 4431 Re: 1999 Grand Prix Climate Control [akaram] by hammen2 Nov 25, 2005 (12:17 pm)
Replying to: akaram (Nov 25, 2005 10:12 am) There is a "resistor board" which controls the fan speed on these models which goes bad. It's about a $20 part, and requires some minor dash disassembly. I'd see if I can find a non-GM mechanic to do the work - shouldn't cost you more than about $35 in labor, and this is a VERY common problem on the '97-'03 Grand Prix bodystyle. I haven't heard of the squeal - I'd do the obvious fix and see if that continues, troubleshooting it further only if it does.   --Robert Replies to this message: entourage (Dec 01, 2005 7:08 am) hammen2 (Dec 01, 2005 12:03 pm) entourage (Dec 02, 2005 10:51 am) 99grandprixma (Oct 09, 2006 8:06 pm) lovegto (Dec 02, 2005 6:50 am) entourage (Dec 02, 2005 10:53 am)
#4278 of 4431 Re: Help Please [greganddonna] by hammen2 Nov 25, 2005 (12:23 pm)
Replying to: greganddonna (Nov 20, 2005 8:44 pm) The price sounds great, but hmmm... no information available from CarFax? Sounds weird.   I would take the VIN to any GM dealer's service department and nicely ask them if they'd run a GMVIS report on it. That will tell everything from the build information, delivering dealer, any warranty work/service that was done at GM dealerships.   My wife had an '01 GTP. Had it for 3 years, and, other than the cheapness of the interior materials, I had no complaints with the vehicle. It did have the blower motor resistor board issue (see my post above), and had a problem with the A/C cutting out. The A/C compressor clutch failed just out of warranty, literally the night we left the Pontiac dealership having purchased my GTO. Considering I had been complaining about the intermittent A/C for 2 years (documented), the car was just out of warranty, and I'd just purchased another Pontiac, the dealership gave me NO FLACK about goodwill-repairing the car.   I know folks with Grand Prix's with 145+k miles on them, with few issues. As long as you do regular maintenance when it's required (oil changes, plugs/wires, tire rotations, belts, fuel filters/PCV valve change, coolant flush, tranny service, brake pads and rotors, and the occasional battery/alternator/water pump), there's no reason these cars can't do 125-150k+ without significant problems.   --Robert
#4279 of 4431 Re: 1999 Pontaic Grand Prix GTP Electrical Nightmares [gdtaylor] by 300k_or_bust Nov 26, 2005 (5:30 pm)
Replying to: gdtaylor (Nov 03, 2005 4:34 am) I am having the same problems. I think my alternator is going. The alternator is only giving 13.2V when running and it used to give 14.5 when I first bought it.   I am also going to try and find the computers and tighten them down. My ABS light comes on when I hit a large bump in the road. Replies to this message: hammen2 (Nov 26, 2005 9:45 pm)
#4280 of 4431 Re: 1999 Pontaic Grand Prix GTP Electrical Nightmares [300k_or_bust] by hammen2 Nov 26, 2005 (9:45 pm)
Replying to: 300k_or_bust (Nov 26, 2005 5:30 pm) If your ABS light continues to activate on bumps after you change your alternator and/or battery, I'd suspect a wheel speed sensor - usually part of the hub assembly.

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