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1997 Cadillac Seville Strange A/C Problem with 97 Seville!

Tiny
RONSPAIN
  • MEMBER
  • 1997 CADILLAC SEVILLE
  • V8
  • 2WD
  • AUTOMATIC
  • 12,700 MILES
The A/C does not blow cold until I rev up to 3,000 RPM or so. Then blows cold. Sometimes stops blowing cold. But another rev fixes it up. Any ideas?

Thanks!

Ron
Wednesday, May 6th, 2009 AT 4:22 PM

1 Reply

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Has anything been done to address this yet, have the pressures been read? You need to know that you have a proper charge amount, a properly installed expansion device(orifice tube), and a compressor capable of pumping. Sometimes the orifice tube is in backwards, sometimes it is clogged. Pressure readings can provide some insight. Look for possibly a slipping compressor, too weak electromagnetic clutch and/or excessive air gap between the drive plate and the pulley.
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Wednesday, May 6th, 2009 AT 9:58 PM

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