What would make my 95 Buick Roadmaster Wagon run hot almost immediately? New radiator just installed.
Car had been sitting for 2 years. I put in a new radiator and flushed the lines but it runs hot in just a few minutes. Changed the thermostat and it still does it. Should the fans be running all the time or in sequence or whatever.
Air in the system. Bad water pump. Start there.
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