Question about 1996 Pontiac Grand Prix

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1996 grand prix

The heat wouldn't work and the car would run hot. One -0 night it was smoking and died. it starts and the 50/ has thawed out but it no heat and engine seemsl ike its running hot 240. Smoking behing engine. Oil clean, how would I know if head gasket gone.

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  • christiana12 May 11, 2010

    What type of coolant did you put into your radiator? GM 1996 models require a special dex-cool orange anti-freeze. They say if this type is not used it could cause corosion and debri to build up inside which can clog your thermostat. Also did you use 50/50 or pure anti-freeze? If you didn't use the 50/50 and did not dilute the antifreeze you poured in it will not work as an anit freezing agent because water activates the anti freeze to work properly. anti-freeze without water is just like pure water. Don't drive until it is properly working or you can crack your engine.

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The only sure fire way to tell if the head gasket is gone is to do a compression test. If you are not familiar with how to do a compression test it would be best to have a friend that does know how to do so or take it to a professional.

From your descriptions, it seems likely that could be the issue as if the head gasket goes, you will run hot if not overheat and it will be difficult for the engine to run and when it does there most definitely be smoke out the exhaust.

Posted on Jan 04, 2009

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