1999 Pontiac Bonneville screaming when not pressing gas

Tiny
AMY DEWITTE
  • MEMBER
  • 1999 PONTIAC BONNEVILLE
  • 119,000 MILES
Replaced the tension pully and the belt looks good
Saturday, March 31st, 2012 AT 4:29 PM

4 Replies

Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
You mean squealing/screeching? Is it serpentine belt? They can look ok but still be worn out. The grooves wear too wide and bottom out and slip.
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Saturday, March 31st, 2012 AT 4:50 PM
Tiny
FIXITMR
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Try to isolate cause of noise with tube to ear ot auto stethoscope. Could still be a bearing like alternator or AC.
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Saturday, March 31st, 2012 AT 4:51 PM
Tiny
AMY DEWITTE
  • MEMBER
  • 11 POSTS
Alternator is ok took it to autozone. There is a recall on the Fuel Pressure Regulator could this be the problem. If not when they fix the recall I will have them check the serpentine belt.
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Saturday, March 31st, 2012 AT 5:29 PM
Tiny
FIXITMR
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Let us know how it turns out.
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Saturday, March 31st, 2012 AT 5:48 PM

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