Question about 2005 Pontiac Grand Prix

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Noise coming from my blower sounds like something is loose

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  • gsmith575 Nov 18, 2009

    Where can I find the blower is it under the dashboard on the passenger side

  • gsmith575 Nov 18, 2009

    Where can I find the blower is it under the dashboard on the passenger side

  • gsmith575 Nov 18, 2009



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  • Master
  • 6,784 Answers

HI.The blower fan or squirrel cage is rotated by the blower motor shaft, thus, forcing air through the heater core or A/C evaporator core and into the passenger compartment. it is housed in the blower compartment shroud. If the motor shaft becomes unstable, this will cause the cage, or blower wheel, to rub against the shroud, or housing. This will cause the noise you are hearing. The shaft screw may be loose, or the shaft, itself, may be faulty as well.

In most cases, replacing the blower wheel will correct this issue.It would be wise to inspect the blower housing for any loose mounting screws before replacing the wheel.

Posted on Nov 18, 2009

Testimonial: "Hi Thank you very much this makes alot of sense I just had the dealer replace a part to get it working last week - where is the blower located "

  • Michael Masters
    Michael Masters Nov 18, 2009

    Yes, the blower housing is located on the passenger side of the vehicle,
    under the instrument panel. Remove the right side sound insulator (trim
    panel) by removing the retainers and disconnecting the courtesy lamp. Detach the blower motor electrical connector. Some applications may have cooling hose to the motor which should be disconnected, as well.

    You will need to remove the metal star clips that will be retaining the fan cage to the motor shaft. this will release the wheel. Only do this if you are replacing the blower wheel.


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