2010 Jeep Liberty "truck heater blowing hot air" Questions

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...heater on it will blow cold air? can yo uhelp me? sounds like a stuck thremostat Did you drill by the passenger side to put mud guard? I did drill into the vacuum reservoir, and it went into default ...

heater not blowing hot air I put a themastut on an new water pump but I still can't get heaters to get hot it only blows cool air unless I rev the motor then it gets hot what could be awrong with it ...

...heater will blow outside temp air until I rev up the engine, as long as I keep reving it up than it blows hot air just fine but as soon as I stop its back to normal air. Now that its summer I tried ...

not blowing hot air out of the heater. The fan works but no hot air. Is there a fuse that might be blown? What else would cuase this? It could be your heater core or check your coolent and fuses first

...heater will not blow hot air. The A/C and fan work well. When I turn the temperature dial to hot, there is only cold air coming out. Can you assist me? Jeeps are notorious for having broken ...

...blow hot air, except the front defrost and it blows cool air...any suggestions? Sounds like defrost door on heater box is not work You need to get under dash and check controls on the box. Good ...

heater blowing cold air If the heater hoses are hot, it may be a problem with a blend door under the dash.  The blend doors direct air thru the heater core and thru the vents.

hot when in blows out, flushed it, changed radiator and thermostat still cold Check heater core. You may have a plugged heater core. You can verify by getting vehicle to running temp and turn heat on.

hot air you should have the heater core replaced. engine not hot, 180+F , is it scan the ECT what does it read. dampers stuck closed heater core clogged 1 day at time, right? engine no heat, there ,no