Car gets hot when parked already changed waterpump and thermostat

Asked by Jul 31, 2015 at 05:47 PM about the 2001 Chevrolet Silverado 1500 Base Long Bed

Question type: General

4 Answers

19,160

Is the radiator fan coming on ?

2 of 2 people found this helpful.
66,525

Good question Firebird,

68,635

That's called heat soaking. Try and flush out the cooling system. You may have deposits and junk in there. Could also be a faulty knock sensor severely retarding the ignition timing. If you have a valve tap this is even more of a possibility. If this truck has high mileage it could be a worn timing chain. Are you also experiencing a loss of power? HTH. -Jim

930

Put you car on Park and ac OFF, wait until the temperature reaches the normal level. Press the gas pedal several times around 2000 rpm. Observe how the gauge is moving. moving up? Moving down? after this op, Turn off the engine and allow 30/45 minutes to cool down. Start the engine and run Run AC ON and full fans. Open the hood and check if radiator fan is running. You don't need to rev if engine. Please post results and we will help you based on this test.

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