1999 GMC Suburban AC does not cool at idle

Tiny
BEDWARD
  • MEMBER
  • 1999 GMC SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
Cools fair running down the road
has the correct amount of freon
does not cool at idle
Wednesday, July 15th, 2009 AT 9:47 PM

1 Reply

Tiny
BUDDYCRAIGG
  • MECHANIC
  • 2,262 POSTS
Could be the fan that sucks air through the radiator and condenser could not be working correctly.

Or debris in the fins of the condenser.

How do you know that it has the correct amount of freon?
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Wednesday, July 15th, 2009 AT 9:57 PM

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