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2004 GMC Savana 1500 Question: the engine heats up when ideling with ac on

 

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tree topper, Dixmont, ME, August 22, 2012, 12:32
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turn ac off and it cools down

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  • Answer #1

    Miles Auto Services (884 Answers) , Richmond, VA - (804) 885-4176
    milesauto August 22, 2012, 14:35
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     Master

    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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  • Medium-star Best Answer
    August 22, 2012, 14:56
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     Master

    See if there is an electric booster fan that may not working.

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