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2002 Pontiac Bonneville Compressor? Stall and Squeal

Tiny
MIKKBLAI
  • MEMBER
  • 2002 PONTIAC BONNEVILLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 95,000 MILES
If I run the defroster with my A/C. Occasionally I hear a squeal. There have been a couple times when I turned on my A/C or defroster, and turned my fan on high, the blower system would stall on and off quite rapidly blowing full force in frequent spurts interrupted by little air flow. I am guessing compressor. Any Ideas?
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Wednesday, September 9th, 2009 AT 10:07 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Is the squeal coming from the serp belt? If so, make sure it is tight and not slipping. As far as the fan blowing hi then low, it may be related to the alt slipping from a bad belt or tensionier.

Let me know what you find.
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Wednesday, September 23rd, 2009 AT 10:50 AM

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