Question about 1993 Subaru Impreza

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Overheating until I put on heater - 1993 Subaru Impreza

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  • jimhilton40 Jun 21, 2010

    Problem solved-air in the heater core burped and all is well

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Check the condition of fluid in radiator, it might cool down a little when heater is on because it has to travel further from radiator and cools down a little, if it overheats to the point it worries you, remove bottom hose take out thermostat, check to see if spring compresses while thermostat is out put a garden hose into the bottom radiator hose you removed and plug it up forcing the water to rise through thte radiator and flow back out of the open thermostat housing this will reverse flush the system and remove all gunk, only can be done with thermostat removed.

Posted on Jun 21, 2010

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Radiator pluging up

Posted on May 13, 2010

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Sounds like the thermostat. To make sure, warm up the engine and feel the top radiator hose...if it's not hot then the thermostat is not opening correctly.

Posted on May 12, 2010

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