overheating when idleing

Asked by Jul 25, 2016 at 11:08 AM about the 2004 Chevrolet Silverado 1500 LS Ext Cab Short Bed 2WD

Question type: General

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

2 Answers

17,660

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.

1 out of 1 people think this is helpful.

Thanks Mark, I haven't tried that yet.

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