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2000 Pontiac Grand Prix Grand Prix Winding noise

Tiny
KAZER
  • MEMBER
  • 2000 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 131,700 MILES
Hi, i have a 2000 Pontiac Grand Prix GT with roughly 132,000 miles. my problem is that everyonce in a while when i accelerate hard around a corner my engine(3800 series 2) will start making a sort of winding noise that is extremely loud insie and outside the car. i'll go home and let the car sit in the garage for a day and the next day i start it up its fine again, no acceleration noises. also, when in park and on the first acceleration of that day it will feel like my engine is almost stalling. parked, idleing and about 1100 rpms the engine will shutter and drop to about 700-900 rpms then jump back to 1300 rpms. it will do this for about 3 mins ,once everyday, or


http://www.2carpros.com/forum/automotive_pictures/350860_SSPX0032_1.jpg

till i take off
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Friday, May 1st, 2009 AT 12:10 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Has the check engine light ever come on? Also, is there any change in performance when you hear the noise? Finally, when was the last tune-up?
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Monday, May 18th, 2009 AT 10:18 AM
Tiny
KAZER
  • MEMBER
  • 2 POSTS
Havent had the check engine light come on since ive owned it, (occaisanoly the ABS light and TRAC OFF light will light up simultanseously), the cars performance is always great, never any changes. And I believe the last tune up(PLUGS, WIRES, ETC) was at about 106,000 and I just hit 132,250
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Wednesday, May 20th, 2009 AT 9:13 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Without the check engine light, I would say sensors are ok. Have you checked for vacuum leaks? Also, if you only hear the winding noise when you turn, have you checked wheel bearings?

Let me know.

Joe
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Thursday, May 21st, 2009 AT 7:42 AM

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