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Drained my transfer box, bronze metal on magnet!

Discussion in 'General Land Rover Forum' started by Gottschalk, Jun 22, 2022.

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  1. Gottschalk

    Gottschalk Well-Known Member

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    Hi chaps!
    Dropped the oil on the diffs and transfer box yesterday, the transfer box one was a bit over due, I usually do it every 8k but did it at 12k this time, found a big bit of bronze type metal (I think from the bush that's by the diff) , is this a major cause for concern or should I start saving for an overhaul? I've filled it up and used it today, seems fine. It does get worked hard and I'm always in and out of difflock at work using it to haul trailers and logs etc etc. Vehicle has now done 146k on all original box's and clutch etc. Here's a piccy!
    20220621_113947.jpg
     
  2. Bobsticle

    Bobsticle De Villes Advocaat

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    Dint think bronze was magnetic :confused:
     
  3. Gottschalk

    Gottschalk Well-Known Member

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    Oh I dunno! It's definitely a yellow colour metal, and I know they use bronze bushes so that was the conclusion I jumped to!
     
  4. kermit_rr

    kermit_rr Green Member Full Member

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    Maybe its speshul bronze, yanno, the steel kind.
     
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  5. kermit_rr

    kermit_rr Green Member Full Member

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    Or maybe it's just stuck in the gunk
     
  6. payydg

    payydg Well-Known Member

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    You sure a couple of leaves hadn’t blown on it?

    If the box is functioning fine then I would have thought more likely from the selector forks. Which isn’t a problem so long as everything selects ok.
     
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  7. saxavordian

    saxavordian Well-Known Member

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    IMG_20220529_164921~2.jpg
    Is it metal tinted in brass or copper a cheap replacement...
     
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  8. Gottschalk

    Gottschalk Well-Known Member

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    I'm not sure what you mean about leaves? The yellowish metal on the magnet was definitely magnetised, and there were a few smaller curfs of it that I removed before I thought to take a picture.
    The transfer box does have play in the center diff, you can tell when you're slowly maneuvering off road etc in low box, it all is a little clunky but to be expected with this age and mileage.
    Just somewhat concerning when you find any shards of metal this big on the drain plug, whatever type it is....
     
  9. JimS

    JimS Well-Known Member

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    Supposedly there are certain bronze alloys that are slightly magnetic, presumably with a high nickel content, but I've never come across any
     
  10. JUKE179r

    JUKE179r Well-Known Member

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    I hope that cut on your finger doesn't get infected.
     
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  11. Turboman

    Turboman Rural Activist

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    It will be an alloy with ferrous metal in it.
    Bronze is nothing like hard enough for bearing shells, etc.
    Probably nothing to worry about, gearboxes always sustain a bit of wear, unless there is masses of metal in the sump, it isn't usually a problem.
     
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  12. Gottschalk

    Gottschalk Well-Known Member

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    Cool! Cheers Turbo! :)
     
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  13. Turboman

    Turboman Rural Activist

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    Just wipe it off, and put the new oil in.
    If you are worried about it, drain the oil again in a few weeks, and check the plug again.
    An extra oil change won't do any harm, especially on a vehicle that is worked hard, and you will be able to monitor the situation.
     
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  14. kermit_rr

    kermit_rr Green Member Full Member

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    Bronze is mostly copper with some tin, maybe some zinc, possibly some lead. Iron might be used, but in such small quantities the bronze wouldn't be magnetic
     
  15. Turboman

    Turboman Rural Activist

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    I think some steel components, such as thrust washers, have a coating of non ferrous metals on them, to prevent corrosion when the box is stationary, and the oil isn't getting pumped around.
    So I would guess it is possible that flakes coming off such components could contain some ferrous and some non-ferrous metals.
     
  16. kermit_rr

    kermit_rr Green Member Full Member

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    I think there's a bronze bush on 1st/2nd gear shaft? Those bits are known to go
     
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  17. Turboman

    Turboman Rural Activist

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    According to your previous post, bits of that shouldn't stick to the magnet! :D

    And in any case, this is the transfer box, and there is no oil transfer between the two.
     
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  18. Brown

    Brown Well-Known Member Full Member

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    When I took mine apart I got a flake of yellow coloured metal too. Mine was from the yoke that moves the splined slider back and forth to engage the difflock. Where it rubs on the sides of the groove the yellow metal burrs over and makes a flake over a long period of time. I know, because on mine it was still attached by a few molecules. Before too long it would have fallen off and been floating around in the oil just like yours.
     
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  19. Brown

    Brown Well-Known Member Full Member

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    And here's a picture of it. This is just one I've copied off the internet. Mine was never as clean as this. But you can see the yellow-coloured component.
    2022-06-23-17-18-46.png
     
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  20. saxavordian

    saxavordian Well-Known Member

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    IMG_20220416_102123_1~2.jpg
    Dear I noticed your fingers are not protected from nail polish. Have a word with Freelander section for colour chart.
     
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