my 2004 Grand Prix is making a high pitched whine noise when i press on the gas. It sounds like an R/C car. Any ideas?
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07-10-2012
my 2004 Grand Prix is making a high pitched whine noise when i press on the gas. It sounds like an R/C car. Any ideas?
07-10-2012
Could be alternator
07-10-2012
transmission or alternator is my guess.
07-10-2012
Is your car supercharged? lol
07-11-2012
use a stethoscope and start checking bearings, that would be my first step
07-11-2012
it might even be your Power steering pump.
check to see if you are low on power steering fluid.
my car was low on PS fluid and was making a whine noise, saw it was low, added more, whine was gone and it hasnt returned.
and if your PS levels are fine, its probably not that lol
07-11-2012
My girl friends literally bought a grand prix GT2 yesterday (04) and It makes the same whine your talking about. It sounds like its freakin' supercharged. Also when the car is at a stop and you move whe wheel the powersteering makes a howling noise. So like ctracer said it might be the PS pump.
07-12-2012
I have a 2000 Grand Prix that makes the same noise. Where is the power steering pump on it?
07-12-2012
Locate the alternator, then look way down underneath it. You can run your hand along the firewall and get to the cap. Will need a long funnel to fill/top off.
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