Question about 2001 Chevrolet Malibu

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Ac only work when the knob is on level 3

The ac fan only works when the know is on 3.

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  • mohamad_reda May 21, 2009

    5 is. AC is cold and blows fine at 3 ond above. But at 3 the blower is a noisy. I would like to be able to use 1&2.. Thanks

  • mohamad_reda May 22, 2009

    Thanks,, But way does it work fine on 3,4 and 5 level?

  • mohamad_reda May 26, 2009

    Thank you. It is probably the switch. Is it hard to install?

  • Tyson Strickland
    Tyson Strickland May 11, 2010

    Sounds like the blower motor is bad

  • yadayada
    yadayada May 11, 2010

    is 3 the highest setting?

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I think that your switch is bad. The resistor would cause it to only work on the highest level, and the motor if it was bad wouldn't work at all. Get a new switch from a scrapyard you should be fine.

Posted on May 22, 2009

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Sounds like your blower resistor is bad

Posted on May 22, 2009

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  • frank thomas wilson
    frank thomas wilson May 23, 2009

    Noisey? It could be bad bearings in the blower motor and at slow speeds it will not work from the friction it has earned from wear

  • frank thomas wilson
    frank thomas wilson May 23, 2009

    Switches are small and very cheap at the dealer. I would purchase a new one instead

  • frank thomas wilson
    frank thomas wilson May 26, 2009

    A noisy blower motor if from a worn bearing. To change the switch you must remove the ac/ heater control assembly for its screwed inside of that

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Posted on Jan 02, 2017

Molson02536
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SOURCE: 2005 malibu - heat/ac has 4 levels for fsn, level

Your blower speed resistor has gone bad and needs to be replaced. You can pick one up at Auto Zone or Parts Source with the step by step instructions to getting the resistor replaced with common tools.

It is located under the glove box, way in the back of the passenger foot area. You'll need to remove 2 screws with a 7mm socket, and remove the plastic cover that covers the blower motor and another component box that I think controls the passenger airbag. After removing the plastic cover you'll need to side that passenger airbag module to the right so it pop off its mounting bracket and move it out of the way. That will give a better view of the blower motor. I highly recommend you also remove the blower motor itself because the Blower Motor Resistor is located behind it. I think you'll need a 5mm or 5.5mm socket to remove the 3 screws that hold in place the blower motor and 2 more screws for the Blower Motor Resistor... It's a cramped location to work in but if you have all the tools and enough lighting then it shouldn't take more than 30-60 minutes to do. The Blower Motor Resistor costs about $19-$25. Good luck

Posted on Nov 30, 2009

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