A/C NOT WORKING

CADILLAC DEVILLE
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ROG
  • MEMBER
  • 5 POSTS
HI I HAVE A 97 DEVILLE 162000 MILES NORSTAR THE A/C CLUCH STAYS ON ALL THE TIME AND THE A/C LINE RUNING ACROSS THE FIREWALL GETS VERY HOT THERE IS R134A IN IT BUT THE A/C WONT WORK PLEASESSSSSSS HELP
Jun 3, 2007 at 6:11 PM
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BOOTDOG
  • ✓Experienced Mechanic
  • 665 POSTS
take the vehicle in and have the shop hook up an a/c machine to check pressure, it's possible there is a blockage in the system not allowing the freon to circulate properly.
Jun 3, 2007 at 11:01 PM
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ROG
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  • 5 POSTS
would that explain the line having frost on it but no cold air coming out the vent then it got very very hot like a hot exhaust pipe
Jun 4, 2007 at 1:26 AM
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BOOTDOG
  • ✓Experienced Mechanic
  • 665 POSTS
yes it would. get the pressure checked, then go from there. let us know how we can help afterwards.
Jun 4, 2007 at 1:19 PM
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ROG
  • MEMBER
  • 5 POSTS
i found out the problem with the a/c line geting hot the orfice filter was cloged and the high side a/c line sensers were bad and with the a/c compresser runing all the time someone jump the a/c compresser relay so i replaced the relay, repaced sensers,orfice fiter,and put 2 cans of r134a and 1 can of oil and got ice cold air so mybe this post can help someone
Jun 6, 2007 at 4:07 PM
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BOOTDOG
  • ✓Experienced Mechanic
  • 665 POSTS
i'm glad it worked out.
Jun 6, 2007 at 9:04 PM
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