Why is my car over heating

Asked by Gur1143 Oct 29, 2017 at 06:56 PM about the 2002 Pontiac Grand Am GT

Question type: General

I changed pump new radariotor thermostat senser
as well thermostat I nearly let it run starts to over
heat I bled air out but still does same deal

2 Answers
15

Karma555 answered 7 years ago

Did you check to see if you fan(s) are engaging. If not you may need to change the fan relay or possibly the fan(s) themselves. Also, check the fuses for the fans. Blown fuses can cause havoc on all sorts of things and it’s a simple effortless fix. Good luck.

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enginecreator answered 7 years ago

Have all cylinders compression tested and test for exhaust in coolant to be sure the head gasket is not blown before dumping more money down the drain these models are widely known for head gasket issues. Temp sensor, fan relay, fan fuse, Bad reservoir or cap, hose's. The thermostat is not a sensor nor is there a actual thermostat sensor, there is a temp sender and a temp sensor, the latter will if bad keep the fans from coming on unless the A/C is on.

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