A/C Squeal

Tiny
SUBARUCAROWNER
  • MEMBER
  • 2000 SUBARU LEGACY
  • 2.5L
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 220,000 MILES
When I got my head gasket replaced, my car made a squealing sound when I ran the AC, but only once and I did not think anything of it. Now lately, whenever I start my car cold, if I try to run the AC my car squeals. Once it has been running for about thirty seconds it can idle with the AC on and no squeal, but as the rpm's go up, it squeals again. As the engine temp goes up, the higher the rpm's it takes to hear the squeal. Once it is at normal operating temperature, you can redline without hearing it. Any ideas if its a belt or some AC component?
Monday, July 10th, 2017 AT 3:52 PM

1 Reply

Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Probably just an old worn out belt. Check it using this guide. https://www.2carpros.com/articles/car-squeaking-noise

If the belt is not the problem, then read the rest of the guide and check the pulleys. Let us know what you come up with.
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Monday, July 10th, 2017 AT 8:43 PM

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