How can i tell if the waterpump is bad or the thermostat is not opening?

Asked by Nov 11, 2014 at 12:35 AM about the 2004 Chevrolet Cavalier Base Coupe

Question type: Maintenance & Repair

Car runs hot but not over 200degrees.

2200  engine with a (4) in serial #

1 Answer

16,670

Most all vehicles have a 175-195 degree thermostat. So if it's not going over 200 you're fine. If your water pump was bad you would either have a anti-freeze leak out of it or you engine would have overheated by now. So if that hasn't happened the pump is probably ok too

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