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The engine heats up when ideling with ac on

(2004 GMC Savana 1500)
in Dixmont, ME on August 22, 2012
turn ac off and it cools down
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Popular Answer
on August 22, 2012
See if there is an electric booster fan that may not working.
of Miles Auto Services on August 22, 2012
Need to check fan clutch operation. The clutch controls fan blade speed. If the fan cluch has failed it will cause the symtom you discribe.
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