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What can you do to stop the steam to from coming out of the air vents when the heater is on?
Wiki User
∙ 13y ago
replace the heater core, it most likely has a busted tube making the water heat and turn into steam whenever the heater or defroster is on. you may want to check the coolant level. after so long of the steam, or super heated water, escaping into the air duct system. you will obviously lose coolant level.
Wiki User
∙ 13y ago
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