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  1. #1
    casual poster stretch69's Avatar
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    Default trouble swapping salisbury axles around

    Hi guys,

    I recently pulley the salisbury 2:78 drum brake diff out of my monaro.

    I've put in another salisbury in with 3:55 gears that had a disc brake setup previously.
    For now i want to stick with drum brakes til i eventually upgrade to a 9" down the track.
    Now the axles that came with the 3:55 diff are too long now because I'm not using brackets for the calipers.
    I tried using my axles from my 2:78 but even with them bolted up there's still about 5mm movement.

    What do i need to do? , do i have to take the diff out again and take it to a diff shop?
    Thanks

  2. #2
    been here .......too long Smitty2's Avatar
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    Default

    by movement... you mean in/out axle movement?
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  3. #3
    Do you ever leave? immortality's Avatar
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    Isn't there a different somewhere around the axle bearing/retainer plate depending on disk or drum brake?

    There should be a little float with everything done, can't quiet remember how much though, will need to find a manual for that.

  4. #4
    casual poster stretch69's Avatar
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    Quote Originally Posted by Smitty2 View Post
    by movement... you mean in/out axle movement?
    Inwards/ outwards movement

    @Immortality I'm not sure, i think i read that somewhere too.
    5mm seems like a bit too much to me.

  5. #5
    Do you ever leave? immortality's Avatar
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    My manual shows that the disk brake models have an extra spacer between the retaining plate and the seal/bearing. Manuals says maximum 0.6mm end float for old bearings and 0.3mm for new bearings.

  6. #6
    casual poster stretch69's Avatar
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    I just had a look, yeah it does.
    So should i take both sets of axles to a diff place or will i need to take the whole diff in too?
    Last edited by stretch69; 24-07-2015 at 05:25 PM. Reason: spelling

  7. #7
    Do you ever leave? immortality's Avatar
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    Why not just use the disk brake axles with the housing they came from unless you have already swapped all the drum brake stuff over?

  8. #8
    casual poster stretch69's Avatar
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    There wasn't anything to swap over with the drum brakes, i left the handbrake cable attached and sat it on the floor.
    I thought about just using disc brake axles but they're too long. Without the caliper bracket fitted they hit the pinion inside the centre.
    I thought maybe i could bolt the caliper bracket on with the drum brake assembly but that won't work either because the assembly won't sit flat on the bracket

  9. #9
    Do you ever leave? DR327VK's Avatar
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    I think? done the same thing years ago and fitted new bearings and problem fixed! using drum axles
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  10. #10
    casual poster stretch69's Avatar
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    Quote Originally Posted by DR327VK View Post
    I think? done the same thing years ago and fitted new bearings and problem fixed! using drum axles
    Thanks mate,
    So do you think I'd be okay just taking both sets of axles in and they should be able to sort it out?

  11. #11
    Do you ever leave? immortality's Avatar
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    You need to destroy the bearing retaining collar to remove the bearing so you will need a new set of bearings/seals/collars pressed onto your original shafts less the extra spacer for the disk brakes.

  12. #12
    254RWHP boat anchor EVL253's Avatar
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    when u buy new bearing sets the seal now has the extra width built in so they have disc or drum bearing kits
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  13. #13
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    hi
    disc rear axles have 4- 5mm spacer ring
    The aftermarket axle bearings suit disc /drum
    The seal that comes in the kit can vary 9.5mm to 13mm wide depending what brand the kit is .
    Timken make the widest seal with square shoulders
    Asssemble without retainer ring with seal and spacer installed
    measure end float
    surface seal [sand with 320 grit ] till desired thickness is acheived
    correct axle end float will occur

    Once finally happy with end float install retainer collar

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