Question about 2009 Jeep Liberty
IF FAN RUNS ON HIGH ONLY AND STOPS ON ALL OTHER SPEEDS THE FAN CONTROLLER (REOSTAT) IS BAD,THE VENT POSITIONS IS A BAD SWITCH ON DASH OR BAD ACUATOR MOTOR ON VENT DOORS
Posted on Nov 20, 2014
THe blend door seems to be stuck. When you change settings from defrost to floor air or, vent, the blend door opens and closes directing the air to the place you want it to go to. I have had some success spraying a lubricating oil such as WD40 under the dash on the blend door. You need to get under the dash with a flashlight to locate it. It looks like a flap. Spray it with a couple of shots of the WD40. Go easy on the spraying as you may be inhaling the fumes. Keep the doors and windows open to minimize the fumes. Wait about 1/2 hour and try the A/C functions. (defrost, floor, vent air)
Posted on Mar 09, 2009
This could be several things. First I would check that the thermostat is not stuck open. This will condition will make the car run cold when it is cold outside.
If this is not the case........and I'm assuming you've already checked that the antifreeze is full, make sure that the heater valve is working. If it is frozen in place then it won't move and won't allow the warm water to circulate through the heater core.
I'm basing my answers on a standard Lesabre. Yours may not have the standard climate control.
Posted on Feb 15, 2010
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