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AC Compressor clutch does not engage

Tiny
HKUKLA
  • MEMBER
  • 1999 PONTIAC BONNEVILLE
  • 159 MILES
AC on and blower blowing, but warm air. Clutch is not engaging. Checked fuse under the dash and larger fuse on the firewall. Both are good. Could use a schematic of the wiring for the AC to trace down where the voltage went. And/or suggestions on wherelse to look. Thanks!
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Sunday, April 1st, 2012 AT 2:40 AM

6 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Freon could be low causing the compressor to not come on.
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Sunday, April 1st, 2012 AT 2:54 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the AC high and low pressures if it within specs-start here
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Sunday, April 1st, 2012 AT 2:55 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Roy. You're getting faster than a speeding bullet-Have a great weekend buddy-
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Sunday, April 1st, 2012 AT 3:07 AM
Tiny
HKUKLA
  • MEMBER
  • 2 POSTS
Thanks, guys! I'll let you know what I find!
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Sunday, April 1st, 2012 AT 2:20 PM
Tiny
BILLMILL5050
  • MEMBER
  • 66 POSTS
How do you check for high and low pressures?
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Tuesday, August 30th, 2016 AT 12:30 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Here is a guide for you

https://www.2carpros.com/articles/re-charge-an-air-conditioner-system

Let us know what you find so it will help others

Best, Ken
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Wednesday, August 31st, 2016 AT 9:27 PM

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