Question about 2009 Jeep Liberty

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Have a 2009 liberty, climate fan runs on high always, doesn't reduce speed. Also vent positions won't change direction of air

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  • 513 Answers

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

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Posted on Jan 02, 2017

kn1ckfan
  • 8 Answers

SOURCE: HVAC vent selector does not function. Air flow is

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

  • 14036 Answers

SOURCE: no air coming through vents, fan does not always

PROBLEM COULD BE BLOWER MOTOR IS GOING BAD OR A BAD BLOWER MOTOR RESISTOR.

Posted on Aug 02, 2009

  • 1 Answer

SOURCE: AC/heater blower/fan is not working.

when i turn the ac on the fan is very loud like there is something in it or it is about to go out

Posted on Aug 16, 2009

  • 1 Answer

SOURCE: No air/heat from Vents in 89 delta 88

1996 olds lss .no heat from vents which seem blocked.The fan runs

Posted on Dec 10, 2009

  • 12 Answers

SOURCE: 1997 buick lesabre HEATER PROBLEMS The fan

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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1 Answer

Have a 2009 Nissan Quest I can't turn the heat off. Just stays on a high level of blowing out heat .


If you have a fan that has different speed settings (1234, or low med high etc) and the only one that works is high - then the blower resistor pack has failed. If you have a climate control unit (where you just pick a temp you want) then the fan is controlled by the heating system and it sets fan speed. If you have climate control style try lowering the temp to a lower setting (current temp in vehicle) and see if fan slows down. If not then climate control unit or fan resistor bad. If dial type and you get nothing on lower settings (only high works like mentioned above) you need to change blower resistor. It is located under dash near the fan itself. Look for small unit bolted in duct near fan with wire plug going to it.

Feb 23, 2015 | Nissan Cars & Trucks

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Why do both radiator fans run on high any time the engine is running,...hot or cold


There are certain positions for the climate control system that will cause the A/C system to activate. When the A/C is on, the radiator fans automatically run to provide airflow thru the condenser coils in front of the radiator. This could be the issue. Turn off the climate controls and recheck.

Aug 02, 2014 | 2009 Chevrolet Tahoe

1 Answer

Why wont my a/c or heater fan come on?


When the blower works only on the high setting its usually a bad blower resistor which is right near the blower motor. now you say it would always blow high regardless of the fan speed setting that would indicate probably the climate control unit or a connector problem somewhere. finally it not working at all may be the climate control unit or connection went bad even further. it might have a blown fuse or a bad blower motor in addition to the climate control unit or connector problem .check for power and ground at the blower motor. the power is supplied from fuses and may have a relay also. the ground is supplied from the climate control unit and goes through the resistor to control the fan speed. good luck

Oct 30, 2011 | 1997 Lincoln Continental

1 Answer

96 accord lx. Little to no air coming out of vents on all fan settings. All fan speeds work. The fan sounds like it is running and changes speed when fan setting is changed. The vent flap sounds like it is...


If the fan clearly comes on and you can hear it switching speeds. Check your selector switch on where you want the air to come out of and verify its not on the floor or defrost . The only other thing It could be would be that your ducting has somehow become misaligned resulting in a leak. Turn the system on high and feel around under the dash on both passenger and drivers sides...the exaust has to be there somewhere

May 25, 2011 | 1996 Honda Accord

1 Answer

AIr always comes out of the dash vents no matter where the controls are set.


Sounds like a vacuum motor problem which controls the blend door and its position inside the dash board area where the flapper directs air from the heater core to the defrost vents or the vents, or the floor, as directed by climate controllers on the dash. Good luck on this repair.

Jan 27, 2011 | 2003 Chevrolet Blazer

1 Answer

I have a 1991 Buick Park avenue with 44,000 miles that is not blowing air through the vents. I just put a brand new resistor in and that changed nothing. The fan spins at a low speed when the car is turned...


Switch the relay with one of the other relays to make sure that this relay is good then go to the HVAC control programer which is behind the floor vent (middle). The Blk/gray wire is the one that supports the relay coming out of the HVAC programmer, but there is a chance that this programmer is bad. If that proves to be the case, I may even have one...let me know.

Aug 06, 2010 | 1991 Buick Park Avenue

3 Answers

I have a 2002 Elantra. Yestreday the lower fan speeds on the air conditioner fan stopped working (positions 1,2,3). The High speed (position 4) works. Any ideas how to correct?


The blower motor resistors or fan switch itself are defective.
High speed has no resistors B+ goes straight to blower motor.

Jun 03, 2010 | 2000 Hyundai Elantra

1 Answer

Heater fan only works on "high speed"


All cars are designed with a blower fan motor that pushes air through the ventilation system. This air is processed by a series of vents to direct the air to various positions. Example: heater, air conditioner and defrost modes. Most blower motors are power by a basic electrical circuit that utilizes a multi resistor or a solid-state resistor to control different fan speed modes (low, medium low, medium and high). If the resistor malfunctions it may lose one or more of the lower fan speed settings.
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Mar 02, 2010 | 1999 Buick Century

2 Answers

Climate Control malfunction


Sounds like a bad fan speed switch.

Apr 13, 2017 | 2006 Dodge Charger

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