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Defender LT77 box problem

Discussion in 'Defender 90 / 110 / 130' started by gary brion, Dec 14, 2020.

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  1. gary brion

    gary brion Active Member

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    I just picked up a defender 90 on an lt77 box, all really good except its really difficult to go into gear
    especially coming down the box into 2nd, other than that the box shows no sigh of milage any ideas guys
     
  2. frog hopper

    frog hopper Well-Known Member

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    Got any fluid in the box??
     
  3. tottot

    tottot Well-Known Member

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    Probably worn baulk ring, But do change the fluid [ check what comes out for bits ] A change of fluid will help [ you don't know what is in there, could be wrong stuff ] Also give it a tad of more time on the change, a blip change [ pause and blip throttle ] as you go down can help an old box keep going.
     
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  4. gary brion

    gary brion Active Member

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    Good I will drain it out and see, I have come across one with ep90 in the gearbox before
    the only other thing I'm thinking is someone has badly fitted one of those short shifts and need some adjustment, as the shifts do seem like they are on top of each other
    Best Regards
     
  5. lynall

    lynall Well-Known Member Full Member

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    Do not forget the filter as well.
     
  6. gary brion

    gary brion Active Member

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    Ah what filter? never knew there was one, does my td5 have one as well R389?
     
  7. jamesmartin

    jamesmartin Well-Known Member

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    yes but it cant be changed without splitting the box
     
  8. Cavey_P38

    Cavey_P38 Well-Known Member Full Member

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    filter ... what filter in the LT77

    have never changed mine since i owned it...oops

    best see if i can find it.

    Does the R380 have a filter as well ?
     
  9. jamesmartin

    jamesmartin Well-Known Member

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    undo the 15/16 /24mm plug on bottom of the rear case,drain oil first
     
  10. gary brion

    gary brion Active Member

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  11. gary brion

    gary brion Active Member

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    Maybe a flush,if there's any such thing
     
  12. jamesmartin

    jamesmartin Well-Known Member

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    just keep oil clean by changing it regularly
     
  13. Cavey_P38

    Cavey_P38 Well-Known Member Full Member

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    Thanks James. will have a look on the 90 when i get the front timing case and its ancillaries back together. an then get it on the ramp for its winter tyre change.

    Hopefully tomorrow
     
  14. doriz

    doriz Well-Known Member

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    I have a similar issue in third with my LT77 and it got worse after a an oil and filter change. BTW the filter sits above the drain bolt ;)
     
  15. owas

    owas Well-Known Member

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    I can't go from 3rd to second on mine, but I've never needed to so it doesn't really matter
     
  16. lynall

    lynall Well-Known Member Full Member

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    Only needs cleaning, it is plastic mesh.
     
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