Jbird06410 Posted May 29, 2008 Report Share Posted May 29, 2008 Help! Car is overheating all of a sudden. I thought it was the thermostat. I brought it to my mechanic. He changed the thermostate, flushed the coolant, replaced the radioator cap, checked the hoses. He runs the car for a while and the car heats up again. So he thought it was the head gasket so he pressure tested the collant system and compression tested each piston and it passed. It was not the head gasket. Sooo then they thought water pump so they replaced it. Same problem. What else could it be? Link to comment Share on other sites More sharing options...
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