2007 Volvo blower motor

Discussion in 'Volvo Forum' started by Zeeny, Nov 21, 2013.

  1. Zeeny

    Zeeny Light Load Member

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    Nov 16, 2013
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    I have 2007 780 with a d12,if I leave the a/c or heat on #1 a lot of times the blower goes higher and lower as if I'm switching it from 1 to 4,anyone have any idea and also the turn signal they work but the clicking noise sometimes stops.anyone ever have this problem
     
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  3. rwdfinch50

    rwdfinch50 Medium Load Member

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    Nov 6, 2007
    Leesburg, Fl.
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    I had that problem before, and replacing the blower motor fixed it. It's not a hard job to do if you have an hour or so and are reasonably mechanically inclined. The motor is in front of the passenger side kick plate and easy to get to.
    Don't know about the clicking though. Must be something else.
     
    Zeeny Thanks this.
  4. Zeeny

    Zeeny Light Load Member

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    Nov 16, 2013
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    Ok thanks for the reply I'll give it a shot with the blower motor
     
  5. midnite1435

    midnite1435 Bobtail Member

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    Nov 21, 2013
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    I have a 2006 volvo 670 my air buzzer stop working. Any quick fix?
     
  6. CondoCruiser

    CondoCruiser The Legend

    19,726
    18,701
    Apr 18, 2010
    Tennessee
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    They're built into the back of the instrument panel and usually the whole instrument panel is replaced in a shop. Big bucks for a small fix.

    Is your warning light working?
    Yes then it is the buzzer.

    You might find a cheap auto buzzer at a parts store and jury rig wire it. I don't think they sell your buzzer individually.
     
  7. CondoCruiser

    CondoCruiser The Legend

    19,726
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    Apr 18, 2010
    Tennessee
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    Do the fan speeds still increase with the switch?

    Yes, then the brushes are worn in the blower motor
    No, then the resistor block is bad.
     
  8. midnite1435

    midnite1435 Bobtail Member

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    Nov 21, 2013
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    Just found out about 1200 to fix. Thank
     
  9. Zeeny

    Zeeny Light Load Member

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    Nov 16, 2013
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    Yes it does increase when you use the switch,do you know where the resistor is,thanks
     
  10. magnum2

    magnum2 Light Load Member

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    Apr 25, 2014
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    Hello, all of you gear-heads.

    Here is my situation, I do not want to waste money for things that are not broken, my cab blower motor stopped working.


    Here is what I've done: I've pulled the blower motor out and connected it to the 12v battery, directly, and it worked fine. So, I'm thinking that my blower motor is in working condition. Correct?

    Now, I'm not to electrically savvy, so, here is what else I've done: there are 3 plugs on the blower motor assembly. One plug, two wires, connects to the motor itself. Another plug, bunch of wires, connects to what looks like the heat exchanger - shaped like half moon, and bolts to the motor housing with two torx screws. Third plug, looks like it connects to the "thermometer"?

    Next, I've put the volt meter on the plug that connects to the motor, while the plug is connected to the motor. With all of the plugs connected my reading was zero Volts. If I'll unplug the motor plug, and still keep my multimeter leads on that plug, the reading will jump to 12V, depends on the speed that is on the fan setting. Voltage would fluctuate if I'll change the fan speed setting. If I'll plug the plug, from the wiring harness, back into the motor, the voltage would drop to zero volts. Also, if I'll unplug the plug with multiple wires, from the half moon shaped heat exchanger looking thingy, and keep the motor plug unplugged then the reading will drop from 12v to zero V. If I'll plug that plug, from the half moon looking thingy, back in, and keep to motor plug unplugged, then the voltage reading on the motor plug will jump up to 12 or so volts, dependent on the fan speed setting.

    By the way, the blower fan and climate control in the bunk work fine. The above issue is in the CAB portion of the truck.


    ANY IDEAS WHAT IS WRONG OR WHAT I NEED TO REPLACE?????
    Thanks.
     
  11. dorlia2

    dorlia2 Light Load Member

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    Apr 20, 2012
    DOWNERS GROVE
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    Did you fix the problem? If you did , what did you end up replacing , the motor or the regulator?
     
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