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AC compressor question

Discussion in 'Technical Q&A' started by Seth, Sep 1, 2008.

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  1. Seth

    Seth Formula 3

    Feb 8, 2004
    1,551
    Texas
    #1 Seth, Sep 1, 2008
    pretty basic, but I changing a belt and was wondering if the AC compressor will spin freely? or do I need to turn on the AC system to get it to spin freely? or is the compressor gone and i need a new one?
     
  2. SYake

    SYake Karting

    May 15, 2005
    87
    NoVA
    #2 SYake, Sep 1, 2008
    The a/c compressor pulley should spin freely as long as the magnetic clutch is not engaged (or energized). Usually, auto a/c systems have an electrically operated magnetic clutch that engages to actually drive the compressor only when cooling is called for.
     
  3. Seth

    Seth Formula 3

    Feb 8, 2004
    1,551
    Texas
    #3 Seth, Sep 1, 2008
    ok, what if the belt that is on the AC compressor also runs to the alternator? should it still be "locked" like it is now?
     
  4. leorosa

    leorosa Karting

    Feb 26, 2008
    170
    Puerto Rico
    Full Name:
    Leo
    #4 leorosa, Sep 1, 2008
    Compressor pulley should be able to spin free without the drive belt.
     

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