Question about 2003 Jeep Liberty

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2003 jeep liberty ac works, but not the blower, on any settings. Does the blower need replaced?

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  • karl Nov 13, 2012

    what if there is power to the fuses bu tnot at the blower motor, resistor or control head?



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HI. Usually when the blower only works on a high mode, this will indicate that the resistor switch has failed. Now; In your case, there is no blower motor action at all. This is a very strong indication of motor circuit failure. The motor will be the culprit, in this case. With that said, i would advise to check the appropriate fuse/relay that is associated with the blower motor circuit. If the fuse/relay is in good condition, and it has not failed, simply, replace the blower motor. If the fuse/relay shows signs of failure, replace the fuse/relay and try to operate the blower, once again.

The fuse panel will be located on the far left side of the instrument panel(driver side). You will need to open the drivers door to see it.On the very end of the instrument panel, there should be a small plastic cover. You must pull at the bottom and the cover will release. On the back of the cover is a diagram that shows what each fuse is for. Use the little puller to remove the fuse/relay because they are inserted tightly and can be hard to pull. You will be looking for the PDC Blower Motor Relay. Test the relay to confirm the damage. If it fails the test, replace it. If it passes the test, replace the blower motor.

The relay will be numbered 24 on the panel diagram. Pull the relay an use the terminals for testing purpose.

Posted on Aug 06, 2010

  • 2 more comments 
  • Michael Masters
    Michael Masters Aug 06, 2010

    • Additionally, be sure to check the number 25 fuse, as well, along with the PDC BMR(relay)

  • jjjackson1 Aug 06, 2010

    Any advice how to replace the blower motor or have a mechanic do it? Money is tight!!!

  • Michael Masters
    Michael Masters Aug 06, 2010

    OK, I will put together a quick procedure. One moment please...

  • Michael Masters
    Michael Masters Aug 06, 2010

    OK, first; gather what you will need:

    1. Replacement blower assembly(OEM)
    2. Phillips Headed Screw driver
    3. Light source(small flash light)
    4. Mirror(Use it to see under the dash if needed)

    Now; you can begin the removal and replacement procedure. First, you'll need to locate the two Phillips head screws on the insulation panel under the glove compartment box. Remove the screws(located on the front section of the blower concealment panel housing) and lower the panel. The screws are circled in green in the picture below:

    Now; Once the panel is lowered, you will be able to see the blower motor. Once you have ganined access to the motor, Locate the wiring connector on the side of motor. Now; press the red locking clip forward, then press down on the back end of the connector and pull it off the motor:

    Next; You will need to use a mirror to find the locking tab on the motor housing to release it. Once it is released, the motor can be rotated and removed. The tab must be pulled down, then, the motor can be rotated. Once the assembly has been rotated enough, it will start to drop out; When this occurs, carefully tilt the blower motor assembly down and remove it from the housing. The installation process in basically this same procedure in the reverse stage.

    • NOTE_ The motor housing will rotate counter clock wise when the release tab is pulled down. The release tab is located in close proximity of the motor electrical wire connector, just to the lower side. Use a mirror or lay on your back to locate.



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