2004 GMC Savana 1500 Q&A

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

turn ac off and it cools down -
Answer 1
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. -
Answer 2
See if there is an electric booster fan that may not working. -