Question about 1986 Jeep Comanche
I suggest before you go replacing the heater core to try and flush out the old ,in most cases they get plugged up and can easily be cleaned out. find the heater core hoses going into the cab ,usually behind the motor on the passenger side at the firewall.disconnect both of them and connect a garden hose with good water pressure to any one of the heater core ends then with the high water pressure it should push out all the debris switch connections back and forth until clean water runs through it reconnect engine hoses to it and heat should be flowing. good luck hope this helps you
Posted on Nov 13, 2010
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Posted on Jan 02, 2017
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