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U-joint Diagnosis ?

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  • U-joint Diagnosis ?

    When I first started driving this 63' Cruiser, the U-joint(s) would "clunk" almost every time I would change transmission direction.
    Now it rarely "clunks" at all....I did grease the joints before the earlier clunking and don't know what to think or expect. I have a new pair of joints sitting on my bench and would rather not waste them
    nor blow the current ones on the road. BTW-they are the Mechanics type. I plan on pulling the drivetrain out in a few weeks and will ahve the shaft out.....

  • #2
    A pair of ujoints are probably cheaper than getting flat beded home because the ujoint failed.


    3E38
    4E2
    4E28
    5E13
    7E7
    8E7
    8E12
    8E28

    59 Lark
    etc

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    • #3
      Make sure you check the the rear axle nuts (they retain the brake drum/hub assembly on the axle shaft) for their correct torque. If they are loose, you will have that "clunk" sound. IIRC, the torque for the Dana 44 axle nut (standard diff for the Cruiser) is 175 Lbs/Ft and if the cotter pin holes do not line up, tighten until it will. You should consult your appropriate shop manual for more details. Hope this helps.

      Dan Miller
      Atlanta, GA

      [img=left]http://static.flickr.com/57/228744729_7aff5f0118_m.jpg[/img=left]
      Road Racers turn left AND right.

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      • #4
        quote:Originally posted by Transtar60

        A pair of ujoints are probably cheaper than getting flat beded home because the ujoint failed.
        etc
        And a WHOLE lot cheaper than repairing the damage if the front joint breaks and the driveshaft drops down on the road when you are moving.


        [img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/R-4.JPG[/img=right][img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/64L.JPG[/img=right][img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/64P.jpg[/img=right][img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/53K.jpg[/img=right]Paul Johnson
        '53 Commander Starliner (since 1966)
        '64 Daytona Wagonaire (original owner)
        '64 Daytona Convertible (2006)
        Museum R-4 engine
        Paul Johnson, Wild and Wonderful West Virginia.
        '64 Daytona Wagonaire, '64 Avanti R-1, Museum R-4 engine, '72 Gravely Model 430 with Onan engine

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        • #5
          Crawl under the car and grab the driveshaft. If you can get any play at all in the U-joint in any direction, they need replacing. If no play is seen, they should be ok. Good light is essential to be able to see small amounts of play.

          Tim K.
          '64 R2 GT Hawk
          Tim K.
          \'64 R2 GT Hawk

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