GMC Repair: heat, blown head gasket, radiator cooling fan

Question
i have a 95 buick regal custom the temp gauge runs from normal to hot,mostly hot,the heat blows cold,changed thermostat,water pump, sensor. can u help

Answer
It is highly suspect that your problem is most likely a blown head gasket(s) as this is a classic conclusion due to your symptoms.

PROVIDED that you are POSITIVE that your radiator cooling fan is operating correctly.

To verify a head gasket(s) fault a cylinder pressure test is required to be performed as this will be conclusive by air bubbles being present within the cooling system.


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