Quote:
Originally posted by michael cole
i dont get it.if the system is pressurized during normal operation without any coolant leakage implying a tight sealed system wouldnt that same system maintain that pressure for a period of time ?
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How do you know there isn't any coolant leakage?
If the head gasket is beginning to leak, not only does combustion pressure find it's way into the cooling system, but some trace amounts of coolant should begin to leak into the cylinder heads as well. Not much at first, but if you keep driving it like this, the failure could be abrupt!
If the exhaust has white plumes, it's a sure sign of coolant being burned during combustion.