frenaud Posted June 17, 2011 Share Posted June 17, 2011 Hi, I just bought a new (to me!) 280z with a stock engine. After a few minutes of driving, the temp goes up and past the redline as the engine overheats. When I stop there is vapor escaping from one of the hoses (heater core). I'm guessing either the thermostat or the water pump is bad. What would be the correct steps to diagnose the problem? Quote Link to comment Share on other sites More sharing options...
Khaserwolf Posted July 2, 2011 Share Posted July 2, 2011 try driving with the termastat out and see if it keep over heating. try that first Quote Link to comment Share on other sites More sharing options...
Khaserwolf Posted July 3, 2011 Share Posted July 3, 2011 thermostat* Quote Link to comment Share on other sites More sharing options...
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