Drive shaft balance

Discussion in 'General Super Duty Discussion' started by dboyw, Apr 2, 2012.

Car Parts
  1. dboyw

    dboyw Full Access Member

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    Aug 30, 2005
    Lancaster, PA
    In February I replaced the trans, with a BTS, and at the same time replaced the u-joints in the rear shaft. The new joints are greasable with what looks like a concave disk on the one end. I installed the joints so that all the fittings would be in-line.

    What I am not sure of now is did lining all the fittings up on the same "side" put the shaft out of balance. I marked everything when I took it off and put it back that way. I have what feels like a small shake to the truck. It's just there, does not feel any different at different speeds.

    The other question I have, I have been looking to replace the fitting on the joints with real zerk fittings but they are a small size that no one around here seems to have. Any suggestion as to what I need for replacements? I figure if I can get them replaced, I will take the shaft to have it balanced.

    Thanks for the help.
  2. DaveBen

    DaveBen SDD Senior Member

    Likes Received:
    May 31, 2005
    Ukiah, California
    You should not have to have your drive shaft or axle shaft balanced due to changing the u-joints. I never have nor could I tell that it was out of balance (vibrating).

    Dave :)

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