1991 Mazda 626

Tiny
PETZCAR
  • MEMBER
  • 1991 MAZDA 626
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 165,000 MILES
I just had my a/c compressor replaced and the system charged. When I switch on the a/c the belt would squeal very loudly and at a high pitch. I took of the belt, inspected it, cleaned it and re-installed it. Now the squealing stopped but when I turn on the a/c or turn the wheels when not in motion the belt slows down and the a/c and power steering no longer works. Even at high rpm's. The battery/charging and rear lamp warning lights come on. Please advise. Thank you.
Thursday, July 23rd, 2009 AT 7:03 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Sounds like the new compressor is locking up-to make that squeal/high pitch noise

Noise from the compressor usually means the compressor is on its way out. But noise can also be caused by cross-contaminated refrigerant (operating pressure too high), air in the system or the wrong type of compressor lubricant.
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Thursday, July 23rd, 2009 AT 10:48 PM

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