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1992 Cadillac EL Dorado AC not working

Tiny
BUD3993
  • MEMBER
  • 1992 CADILLAC ELDORADO
  • V8
  • FWD
  • AUTOMATIC
  • 81,862 MILES
I put freon in and the compressor will kick on and off and the dash will say freon level is very low. Then it will say cimpresor is off. The gauge says the freon is at max. Is there a senor that may be feeding the computer the wrong info?
Monday, August 9th, 2010 AT 11:03 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
When you turn the AC On do you hear the clutch engage the compressor? If not check the high and low pressures start here.
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Monday, August 9th, 2010 AT 11:25 PM
Tiny
BUD3993
  • MEMBER
  • 2 POSTS
Yes, the clutch does come on but them it will kick off.
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Monday, August 9th, 2010 AT 11:40 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the low pressure switch and the AC clutch relay
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Tuesday, August 10th, 2010 AT 1:33 AM

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