Question about 1985 Jeep Grand Wagoneer
What does the temp gauge read? 180-190 is ok if not change the thermostat,if ok is heater core lines both hot? if yes then heater core is good if not and one is cooler then core is plugged flush it out,if all that is good the air handler door are vaccum operated if there is no vaccum then all air in stuck on defrost and if not this then the hot air is getting cooled by cold air either from a broken heater box or the heater control for hot and cold is bad.
Posted on Mar 11, 2009
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Posted on Jan 02, 2017
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