...causes of obstructed coolant flow: Pinched or kinked heater hoses. Improper heater hose routing. Plugged heater hoses or supply and return ports at the cooling system connections. A plugged heater ...
heater in and out hoses(i use a in-fared heat gun to diagnose). They should be very close to same temp, if not, core is plugged or if equipped with a flow control valve, its not opening or there is an
...heat ooorrr field mice have made them selves a home in your heater box Defrost is the default. Pull the heater control panel off and make sure the vacuum lines are connected to the control. My Jeep ...
...heater on to full heat and turn it on if it comes out hot then this indicates the coolant is pumping around the engine properly, if its cold then you have some problems. if its cold then this could ...
...heater on (ac off) and the temp returned to normal - where should i start? You might check the fan,if it has a thermostatic clutch on it. It should spin up with the same speed as the engine.And free ...
heater only blowing out defrost vents my 2005 jeep wrangler, the heat and a/c only blow out of the defrost vents no matter which setting it is set at. (I looked this problem up on-line before and they
...heat up and melt wires and cause problems and "back feed" current into joining harnesses and melt and fuse them together causing you your grief. It should in all honesty, blow fuses when it does this ...
...heat is turned on cold air comes out the bottom but when it is in defrost mode its hot disconnect the main plug from your instrument panel...does the fuse blow...if it doesnt, check wiring on the ...
jeep tj overheats and heater blows cold air temp gauge climbs to max when driving check coolant level sometimes low level will cause no heat
...PROBLEM IN MODE SWITCH. at operating temp water flows thru heater core.air is blown thru heater core and directed to proper outlets. no heat condition can be caused from a blocked heater
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