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Thread: Fan removal tricks?

  1. #1
    Member, Human Race wit61's Avatar
    Join Date
    Jan 2003
    Pennsylvania, Northeast

    Fan removal tricks?

    I am sure that there are 1 or 2 tricks out there for removing a fan that seems mated to the alternator shaft/keyway that I have not tried. I've always been able to use elbow grease plus "soak overnight in penetrant" but this time I seem to have met my match. I'm obviously looking for quick options short of removing the shroud, etc. Is there a tool solution, process, folklore, legend, myth........
    70 911T Targa
    70 911E
    73 914

    If you go flying back through time and you see somebody else flying forward into the future, it's probably best to avoid eye contact....

  2. #2
    Senior Member
    Join Date
    Oct 2002
    Suffolk, VA
    This IS a pain...
    Seems to me the fan is an aluminum / mag alloy and the shaft is steel, so galvanic corrosion will be the culprit. I always had luck too with soaking overnight and lots of elbow grease. Will careful use of a puller work? Maybe put a couple pieces of wood behind the fan to spread the load using the puller... Try putting some pressure on it this way then tapping (vibrate) the shaft with either a brass hammer or a hammer and a piece of wood. Good Luck
    1970 911S Coupe (Burgundrot) (sold)
    1967 911 Coupe (Light Ivory) (mostly gone)
    1966 911 Coupe (Sand Beige) (sold)
    Van Diemen RF99 Formula Continental
    Citation F1000 on the way
    Van Diemen Hayabusa SCCA Formula S (sale pending)
    Other Early 911/912/914

  3. #3
    it looks like you could put 4 thin nuts between the pulley halves, and thread some bolts through the pulley holes to the face of the alt. (disclaimer......i'm not sure if the front of the alt. could take it if she's siezed tight.) if you have a puller , using the blocks of wood to distribute the load sounds mucho better.

    pb blaster works alot better than wd-40.

    try a dab of anti-sieze on the reinstall.
    72 911t * 74 914 2.0

  4. #4

    PB Blaster vs Aero Kroil

    My experience is that "Aero Kroil" by Kano Laboratories in Nashville, TN (615-833-4101) works even better than PB Blaster.....forget WD40.

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