I have a 02 Jeep Liberty and cannot find the problem with heater only blowing warm to cool air. I have changed thermostat,heater core,climate control,radiator.waterpump,we have checked blend doors..He

Asked by Cheryl Oct 30, 2017 at 09:10 PM about the 2002 Jeep Liberty Limited 4WD

Question type: Maintenance & Repair

4 Answers
30,495

Tom answered 6 years ago

Mixer vent ... with the engine running (and radio off) change the vent settings ... go to defrost then lower then upper air flow . . switch the temp from hot to cold back ... you should hear the vent opening and closing ... The vents are vacuum actuated ... the only controls they have are a vacuum solenoid and flapper (under the dash) and some have a rotary switch that has both electrical and vacuum inside the switch or ///////// a vacuum line may have come off

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GuruTH33Y answered 5 years ago

My 20002 jeep liberty not blowing cold air changed out the heater controls blows out cool but not cold the longer you drive it it gets warmer please help

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