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    kamos's Avatar
    kamos Posts: 1, Reputation: 1
    New Member
     
    #1

    Jan 7, 2010, 11:15 AM
    My heat pump is making a noise like something is grinding to a halt when is cuts off
    It does not seem to heat as hot as I would like, it sounds like something is grinding down when it cuts off, do I need to oil something? I live in a double wide, the name brand is intertherm.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
     
    #2

    Jan 7, 2010, 11:55 AM
    Loose fan blade

    Bad motor bearings or needs lube if possible since most motors can no longer be oiled.

    Frost or ice build up on inside of the unit that the fan blade is hitting

    Bad fan blade hub (loose)

    Those are the normal causes.

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