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Diff lock engages by itself while driving

Discussion in 'Defender 90 / 110 / 130' started by Arierep, May 24, 2014.

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  1. Arierep

    Arierep Active Member

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    Hello,

    To my surprise, I've found at the end of my last two or three drives that I had the diff lock engaged. I confirmed at the beginning that the lock was off, so it seems that it jumped into the "ON" position by itself.

    The car is a Defender 90 300tdi

    Has anyone ever had this happening?
    Seems really weird, as most of the reported issues seem to be from the lock jumping from the lock position an not into it.

    Thanks
     
  2. flat

    flat Well-Known Member

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    You sure it is actually in difflock and it isnt just the light lit up?
     
  3. Paul D

    Paul D Old, nackered 'n broke, but the Landy is fine . :) LZIR Despatch Agent

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    Is the difflock lever moving too? I'd start by checking the linkages aren't bent or too loose ... not that they're tight to start with!
     
  4. Arierep

    Arierep Active Member

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    Nope, it is not the light I am talking about here, that thing barelly works even when I want it.
    There's actual lever movement.

    Is there any schemathic of the diff lock/lever linkage?
    Thanks
     
  5. jamesmartin

    jamesmartin Well-Known Member

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    take the tunnel off and look, diff lock linkage has an adjustable pivot and needs setting so that it goes fully in and fully out ,youll get and idea by putting a 13mm spanner on spigot nut where linkage joins t/box and turning clock wise engages lock anti clockwise out, linkage uses 2 plastic bushes per pin theses often wear or are missing
     
  6. Arierep

    Arierep Active Member

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    So this morning I went for a little investigation.

    Jacked one of the rear wheels and tested the diff lock. Turns out the the position the lever jumps to while driving is not locking the diff.

    Went under the car to check the linkage and found that the said position is kind of an intermediate position, with not lock engaging at all. Weird...

    Anyway, the true locking position is crisp and is action is easly tested
     
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