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Thread: transfer lever nut size

  1. #1
    madmax Guest

    transfer lever nut size

    hi guys,

    I just picked up a series 3 ute that has a leak in the front seal of the gear box, the previous owner has taken the box out but has made a pigs ear of the nuts and bolts, im missing a few but the main and most anoying is the nut that holds the high/low transfer case lever on the front of the transfer case, it has a TPI of 18 but Im not sure what size it is.... being a english vehicle am i after a BSF thread? or is it a UNF or other thread? i need to track one down so I can get this old girl back on the road...

    cheers
    madmax

  2. #2
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    If it is 18 tpi and a standard thread size, then it could be 5/16" NC, 9/16" or 5/8" NF, 5/16" BSW, or 7/16" BSF. Measure the bolt.
    URSUSMAJOR

  3. #3
    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
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    I'm guessing 9/16" UNF. Certainly will not be NF or NC, and unlikely to be BSW unless it screws into the casing.

    John
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

  4. #4
    drifter Guest
    Is it one of these?
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  5. #5
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    Quote Originally Posted by drifter View Post
    Is it one of these?
    it's no 33 in the diagram, which I think is 7/16BSF locknut ie half thickness. A quick check is the transfer case mount nut ie one of the four holding each foot to the t/f case. They are also 7/16 BSF, although full thickness.

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