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Pontiac Grand Prix - 2005 and earlier

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#4361 of 4431 2001 GP GT Starting Problems... by tjordan83 Mar 21, 2007 (6:14 am)
I have been having this problem for the last 2 weeks. Whenever my car has been sitting for around 4 or more hours (usually this is at it's worst after it sits overnight) when I start it up it turns over fine but when the engine fires it start shaking Mildly and makes a weird sound. The sound is hard to explain but it's kind of like pa pa pa pa pa etc and the higher the rpms are the rate of the sound increases. The shaking lasts for about 5-10 seconds (usually the longer it has been sitting the longer it shakes) and the sound can last from about 30 seconds-3 minutes and maybe even longer (same as the shake the longer it sits the longer it lasts). When I start driving the sounds goes away in about 15 seconds-1 minute. I just had the intake manifold replaced last night and this morning there was no improvement. All the times I listed are estimates and aren't 100% accurate. If anyone has suggestions of what the cause of this is or past experiences of this I would greatly appreciate your responses.
#4362 of 4431 2004 Oil Monitor System by jal012773 Mar 23, 2007 (8:01 am)
We have a '04 GT2 that we bought for my wife in Feb. '04. I had been getting the oil changed every three months, even though she only puts about 6k miles per year on it. I decided this last time to see how long I can go before the oil monitor system tells me it's time to change the oil. How long should it go before telling me to change the oil. I don't want to go too long without an oil change and risk damaging anything.
#4363 of 4431 CD Player Installation by abc1923 Apr 08, 2007 (7:03 am)
Hello, I have '04 Grand Prix and i am thinking about changing factory installed cd player with after market ones. Will that effect anything as far as alarm system or anything else. Once i heard that since alarm system is embedded with cd player/radio , after market cd player will mess up something. Any ideas? Thank you all
#4364 of 4431 1993 Grand Prix --- won't start by tedchorlyone Apr 17, 2007 (5:55 pm)
Ok. I've got a 1993 grand prix. It hasn't been running and has been sitting in the driveway for about a year. I know it needs a new battery, because even when I try to jumpstart it, it won't turn over and still sounds like it needs more power, however it had a new battery put in it last year before it died. It looks like it needs an oil change for sure (oil's pretty black, but not creamy, so I don't think a head gasket's to blame), and I want to check the spark plugs as well. Any other ideas on what may be causing this? I'm unfamiliar with pontiacs, so I don't know any problems they tend to have, and am not car-savvy enough to guess exactly what else would be wrong with it.   basically, I try to jumpstart it, i can hear it trying to turn over, but it won't start.
#4365 of 4431 Re: Supercharger rattle [badams24] by mahnkejj May 24, 2007 (3:25 am)
Replying to: badams24 (May 23, 2005 4:24 am) Don't spend all your money yet. I had the same problem with my 97 GTP. All it was making the noise inside the supercharger was a plastic coupling. I can't remember where I ordered it from but a search on the internet should bring something up. The part is $30-$50 I think and you'll have to buy some new supercharger oil.
#4366 of 4431 2000 Grand Prix GT... what would you recommend by z28gurl Jun 25, 2007 (5:53 pm)
My unfortunate purchase was a 2000 Grand Prix GT, 2 door, nothing special.... I have read through so many discussions on the tranny issue with the hard shifting when warm, but only sometimes, as well as taking off in 3rd gear ( It was put best by someone when they said, "felt like I was hauling a house") and I am even more confused now. I figured it wouldnt hurt to start a thread for just my question.   For everyone who has had this problem was it worth fixing it? I am considering taking it in for the Pressure control solenoid ( as this is what has been refered to as the problem several times now) I know there are many other factors that "could" contribute to this "hard shift" however, my symptoms have been EXACTLY as described by others who have dealt with it. Also when I purchased it in October last year (2006)it was working fine, the engine light has recently come on, and now its acting the same as the others.... I had a tranny flush done in October, tune up done, and some new parts put on although they were "alright for now". So... What would one say to the mechanic ( especially being female) and not get jerked around too much, what would be your top recomendations for things I should want checked out? Or is it even worth it? Should I just sell the beast and move on???   Thanks for any answers!
#4367 of 4431 2001 Gr Prix Air Conditioning by grprixluvrgal Jun 27, 2007 (6:47 am)
I have a 2001 Gr Prix GT 3.8. I recently had the upper and lower intake manifold replaced (common problem in these cars)at a Pontiac dealership. After the work was done, I noticed the heat and air was blowing only out the defrost vent near the windshield. I took it back, lo and behold, the mechanic knocked loose the vaccuum hose. They "fixed" their mistake and all was well. Until it got hot out a couple weeks later, and I turned on the A/C and while it was blowing air, it is NOT cold air. Given the dealership's admitted prior mistake and the fact I have had NO problems with my AC until they worked on the car, I figured they did something to it while working on the intake manifolds. I took it back in, and they did a dye test and some other test to see if there was a leak, because there was no refrigerant in the system at all now. They could NOT find a leak anywhere. I suggested the problem resulted from something they did or didn't do while replacing the intake manifolds, but the dealership insists not, that they did NOT have to touch the A/C system nor did their work affect it in anyway. I've talked to a lot of people who all agree they could NOT have replaced the manifolds without it affecting the A/C. I'm trying to get a certain answer so I can take this further and have the dealership be held responsible if they indeed are. Any thoughts? Replies to this message: tncarman (Jul 07, 2007 10:22 pm) cnw (Jul 09, 2007 1:12 pm)
#4368 of 4431 Re: 2001 Gr Prix Air Conditioning [grprixluvrgal] by tncarman Jul 07, 2007 (10:22 pm)
Replying to: grprixluvrgal (Jun 27, 2007 6:47 am) I've dealt with dealerships in the past that were stubborn like yours. Usually I just take my car to a different dealership and they fix it, almost every time. Hope it helps. Replies to this message: cnw (Jul 09, 2007 1:12 pm)
#4369 of 4431 Re: 2001 Gr Prix Air Conditioning [tncarman] by cnw Jul 09, 2007 (1:12 pm)
Replying to: tncarman (Jul 07, 2007 10:22 pm) If the car was still under warranty, I would agree. However, in this case another dealer won't repair damage resulting from the first "fix" without wanting compensation; justifiable expense on his part. It appears you have to appeal to the dealer's sense of "honor" and his commitment to provide customer service--both of which are increasingly hard to find. Failing to get the dealer to respond to a sense of duty, you may have to respond with "Better Business Bureau", Chamber of Commerce, or "action line" through a local media outlet. Good luck!!
#4370 of 4431 Dual zone climate control problem by omegax Jul 13, 2007 (2:30 pm)
Ok i have a issue that doesn't make sense to me. I have 2001 grand prix gt 3.8l with dual zone climate control. Now the problem is this. well there is a leak but thats not what's concerning me at the moment. When i turn on the ac the passenger side blows out cold air.....the driver side blows out warm air. I have no idea what's going on at all.   posting to see if anyone else has had this problem and/or has a solution.   Thank you for your time Replies to this message: druvie (Jul 19, 2008 7:14 pm)

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