2002 GMC C2500 NOISE FROM A/C

2002 GMC C2500
52,000 MILES • V8 • 2WD • AUTOMATIC
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JON THAW
  • MEMBER
  • 1 POST
WHEN I GO OVER 60mph MY A/C MAKES A HIGH PITCH WHINEY NOISE, SOME TIMES I GET MULTIPLE NOISES (VIBRATION)? THIS ONLY HAPPENS WHEN THE A/C IS ON AND 60+
May 20, 2008 at 2:29 PM
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RHALL77
  • ✓ASE Certified Mechanic
  • 3,361 POSTS
  • ASE Certified Mechanic
does it do it when the AC is off. you may have a component freezing up or a compressor going bad.
May 20, 2008 at 2:55 PM
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