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1991 Other Chevrolet Models Chev 2500 problem

Tiny
SLAGOWSKI
  • MEMBER
  • 1991 CHEVROLET
  • V8
  • 4WD
  • AUTOMATIC
  • 89,000 MILES
My son and I both have 1991 Chev 2500 pickups that have the same problem with the air conditioning. It works fine most of the time but cuts off. The air conditioning has been checked out and is fine, but we have found out that by unhooking the battery for 10 seconds makes the air conditioning start working again. What makes the electrical part fail and then start working again?
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Tuesday, July 14th, 2009 AT 7:35 PM

1 Reply

Tiny
LOUT5369
  • MECHANIC
  • 217 POSTS
I would have the computer scanned, when checking the a/c, be sure to run engine at 2000rpm, that is when you will get high pressure, You could have a high pressure switch cutting out then not reengaging when pressure drops. Good Luck, Lou
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Wednesday, July 29th, 2009 AT 5:55 AM

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