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GMC Master
14,092 Answers
- Posted on Jan 22, 2011
Re: The truck is overheaing, the serpentine belt is...
REPLACE THERMOSTAT.CHECK CLUTCH FAN WHEN ENGINE HOT CLUTCH FAN SHOULD HAVE RESISTANCE WHEN YOU TURN IT BY HAND.IF NOT FREEWHEELS.FAN CLUTCH NEED REPLACING.SLIPPING FAN CLUTCH WILL CAUSE ENGINE TO OVER HEAT.
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