air conditional

1997 CADILLAC DEVILLE
V8 • FWD • AUTOMATIC
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MARRYJOE
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  • 13 POSTS
97 cad.deville northstar:I turn the a/c it work fine about 10 min.it will stop cycling,turn the engine off about 10 to 15 min I turn a/c back on it work fine then it stop cycling again thanks
May 2, 2011 at 6:18 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
the auto temp control could be shutting it down?
May 2, 2011 at 6:34 PM
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CADIEMAN
  • ✓Experienced Mechanic
  • 3,544 POSTS
push off and warmer buttons on the a/c panel.when u see all segments lite release and write down codes then come back.
May 2, 2011 at 8:38 PM
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MARRYJOE
  • MEMBER
  • 13 POSTS
This is to Cadieman I WROTE DOWN THE CODES FROM THE 97 CAD SEDAN NORTHSTAR WITH A/C STOP CYCLING,30 TO 45 MIN.IT START BACK CYCLING.CODE PCM PO147 CURRENT,PCM PO603 HISTORY,NO IPC CODES,NO ACM CODES,NO SDM CODES,TCS C1236 HISTORY,TCS C1241 CURRENT,TCS 1255 HISTORY,NO PZM CODES IRC B1771 HISTORY,NO RFA CODES,PCM?
May 3, 2011 at 5:21 PM
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CADIEMAN
  • ✓Experienced Mechanic
  • 3,544 POSTS
you need to check if the sys. is low,if the clutch cycles off and on.you have no a/c codes.
May 3, 2011 at 7:09 PM
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