overheating when idleing
220

Asked by copper99 Jul 25, 2016 at 11:08 AM about the 2004 Chevrolet Silverado 1500 LS Extended Cab RWD

Question type: General

have replaced thermostat, waterpump, radiator, and clutch fan and it still overheats when idleing in traffic

2 Answers
65,590

firebird338 answered 8 years ago

Try doing a good cooling system flush the cooling ports in the engine block maybe clogged. Prestone Super Flush is really good. If thermostat is easy to get to would remove before doing flush then reinstall afterwards.

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