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What is wrong when the heater on a 1988 Lincoln Towan car blows only cold air when the heater is on?
Wiki User
∙ 17y ago
An automobile's heater that blows only cold air could either be a faulty thermostat or, more likely, a faulty heater core. A trip to a mechanic or shop that specializes in radiator and cooling system repair should be able to diagnose and repair any problems.
Wiki User
∙ 17y ago
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VENT TO HEATER CORE IS NOT CLOSING................
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On a BMW 318 what is wrong if the heater only works when driving at 3000 rpm plus and blows cool air when revs drop below?
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