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  1. #1
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    Strange noise from the cabin heater blower

    Hi, has anyone got any ideas on the cause of the stange noise coming from what I think is my heater blower. It sounds like a whirling / whining sound that can be stopped by turing the heater off. It isn't constent and changes frequency. Never heard the noise until today.

    Thanks
    2008 Phantom Black S3

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  3. #2
    Lewis583's Avatar
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    Check your cabin filter, it may be blocked putting strain on the motor.
    2008 E92 BMW 335i M-sport
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  4. #3
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    If it is your heater blower motor, then it is probably the bearing in the motor.
    It is possible to grease the bearing, but the motor has to come out of the car.

    I did this my self and after 2 attempts and 2+ months the noise has not come back.
    Audi A3 2.0 Tdi Sport | DSG | Black | Half Leather Seats | Heated Seats | Electric Lumbar |Bose

  5. #4
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    Quote Originally Posted by jin2 View Post
    If it is your heater blower motor, then it is probably the bearing in the motor.
    It is possible to grease the bearing, but the motor has to come out of the car.

    I did this my self and after 2 attempts and 2+ months the noise has not come back.
    Thanks, does anyone have a how to guide of how to remove the motor?
    2008 Phantom Black S3

 

 

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