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Issues with heater blowing cool then hot air
1999 Ford Windstar

Issues with heater blowing cool then hot air

(1999 Ford Windstar)
When turning on heater it blows cold then hot then cold again. Water/antifreeze level in radiator keeps getting low and pressure builds up in radiator. Can't find a leak anywhere.
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Popular Answer
on November 13, 2010
II hate to say this, but I would check for a leaking head gasket, because the pressure build up and loss of coolant with no evidence of a leak are 2 tell tale signs of a possible head gasket problem.
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General Diagnosis
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on November 13, 2010
II hate to say this, but I would check for a leaking head gasket, because the pressure build up and loss of coolant with no evidence of a leak are 2 tell tale signs of a possible head gasket problem.
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