Diagnosing Radiator Problems

courtesy of Bob, The Auto Answer Man

Hi Bob,
I own an '88 Honda Integra. It runs fine and is great. Doesn't heat up with the a/c. I would like to know that after a long run, if the radiator cap is taken of carefully with engine idling (I know this shouldn't be done but if...) will the water shoot out or not? Please tell me. Because it shot out once and a friend said that there could be a heating problem, or a faulty head gasket. What's your opinion? The temperature needle sometime crosses the halfway mark in stop-and-go situations. What should I do? I have had the radiator drained.

Never open the radiator cap while the engine is hot! The system is under pressure. It varies on different models but at least 13 psi. If it does not shoot out, then you have a problem.
Good Luck!
Drive Safely!
Bob, The Auto Answer Man

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