Question about 1994 Pontiac Grand Am

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Engine heats quickly, engine light and water light come on..was told it was a fan fuse, had that repaired, still gets hot

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Thanks for choosing FixYa and welcome to the site. They are a few different things that can cause this. You need to make sure you have the correct amount of fluid in the vehicle. Make sure your hoses are on good and the clamps are tight on your coolant lines. Make sure you are not leaking any coolant. Make sure it is not leaking from the coolant cap. You may need to change it. The most common problem is the thermostat. It could be your water pump as well. Your fans are there to cool off the engine. The fuse blew and they changed it for you. Check for the little things first, leaks and loose hoses. Next time you change the oil, make sure no coolant is in it. If all checks out with the hoses, leaks, and cap, change the thermostat. Before though, make sure your radiator is not damaged as well. If you have a question, feel free to ask and thanks for using FixYa.

Posted on Apr 06, 2011

  • Richard Hale
    Richard Hale Apr 06, 2011

    Since your check engine light is coming on, you can take it to Autozone and have your computer scanned for free. It might show you the exact fix. Just a suggestion. Thanks for using FixYa and good luck.

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Try replacing the thermostat, (cheap fix). also verify that the fan is coming on. and the coolant is full

Posted on Apr 06, 2011

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Sounds more like the water pump and/or the thermostat has failed.

Posted on Apr 06, 2011

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I would replace the thermostat and the radiator cap. Either one of those can caused that but they are not the only ones. The water pump could be bad, head gaskets could be bad, clogged water jacket, clogged radiator, leak in the system somewhere, or a bad heater control valve.

Also that vehicle should have a bleeder valve for the coolant by the upper radiator hose inlet to the intake. You have to burp those sytems to get the air out of them. Do that by filling the system when its cold, letting the vehicle warm up to open the thermostat, and crack the valve just a bit until coolant comes out, then close it.

Also did they just replace the fuse or did they verify that the fan actually works? It should turn on at about 205 degrees.

Posted on Apr 06, 2011

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In which case the bottom hose should go from cold to warm to hot

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