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Thread: D4 rear diff lock

  1. 14th July 2016, 01:58 PM #21
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    hv_man
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    I remember reading the CV's are different (higher rated) on the e diff D4s.
    Perhaps ask if the CV's and shafts can also be supplied with the e diff not sure what other parts are different

    I spent sometime looking into the locker options last month before I purchased my D4. After talking to a ARB and other diff locker suppliers no solution is available and none in development. Also spoke with a number of LR specialist workshops around the country again no luck. for D3 yes but no D4
    D4 SDV6 HSE MY11, E-Diff.
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  2. 14th July 2016, 04:26 PM #22
    Dr LC8
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    I agree that ideally you should use the original the way it was designed to work or alternatively a proper aftermarket solution like ARB...which unfortunately doesn't exist.

    I have the guys at ProSpeed looking into it for me. However there is very little experience on this.

    I believe that one of the owner at MUDTECH 4?4 | Discovery 3 & 4 special parts did it on his D4 but I didn't manage to talk to him as yet.

    The guys at Matzker KFZ Technik never installed a rear diff lock to any of their Disco.


    On the other note I agree with the beauty of the old system you mentioned above.

    My Disco 2 was in fact perfect: it had Traction Control and a manual centre diff lock. If the electronic was to play up or a CV gone it would have still work...
    I think the Disco 2 is a good 4x4 with good mix of modern (air suspension, ETC DHC) and all mechanic solutions...but you can't have everything...

    Nic
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  3. 14th July 2016, 04:39 PM #23
    Dr LC8
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    Quote Originally Posted by hv_man View Post

    I spent sometime looking into the locker options last month before I purchased my D4. After talking to a ARB and other diff locker suppliers no solution is available and none in development. Also spoke with a number of LR specialist workshops around the country again no luck. for D3 yes but no D4
    This is a bad news None in development!
    I must admit with insight I should have looked for one with a rear lock when I bought mine. But here in UK they are very rear.

    I was upsetting going off roading last weekend with a friend. He has a D4 with no rear lock but he has big 275/65 Cooper STT on 18 wheels. I have Cooper A/T Zeon LTZ. Both of us got stuck on the same wet rocky/muddy step. I could clearly see one single wheel spinning on rear and front axel! So Traction control was working up to a certain degree. We eventually negotiated it working on ground solutions...

    N
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  4. 14th July 2016, 05:59 PM #24
    BobD
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    Did you have them in low range rock crawl?
    Bob

    2010 D4 3.0TDV6 SE, ediff, LLAMS, 5 x GOE wheels, LT285/60R18 BFG K02's, GOE Compressor Guard, LR Tank, Mitch Hitch, ECB Bull Bar, Kaymar Rear Bar, Traxide, Safari Snorkel.
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  5. 14th July 2016, 06:17 PM #25
    Graeme
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    Even just more and constant go-pedal should have made TC work properly to do the job. I've been paddling through sloppy stuff on my road (not driveway) in grass/gravel/sand mode so can see that the centre diff doesn't normally lock yet TC is chattering away.
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  6. 14th July 2016, 06:20 PM #26
    Grentarc
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    Quote Originally Posted by Graeme View Post
    Even just more and constant go-pedal should have made TC work properly to do the job.
    Others have also found that traction control does not work if you have a foot on the brake pedal too.
    - Justin
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  7. 14th July 2016, 08:14 PM #27
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    Disco-tastic
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    Quote Originally Posted by Grentarc View Post
    Others have also found that traction control does not work if you have a foot on the brake pedal too.
    I found that out last weekend...

    Wiggling the steering wheel with a constant throttle application seems to work well too.

    Cheers

    Dan
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  8. 14th July 2016, 11:44 PM #28
    Dr LC8
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    Quote Originally Posted by BobD View Post
    Did you have them in low range rock crawl?

    Indeed!
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  9. 14th July 2016, 11:45 PM #29
    Dr LC8
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    All of the above done. Even disconnect the ETC...


    Nic
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  10. 15th July 2016, 05:35 AM #30
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    Meken
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    Quote Originally Posted by Dr LC8 View Post
    All of the above done. Even disconnect the ETC...


    Nic

    What's the esc? There will be some things that will stop a D4 - but you will get some wheel spin before the terrain response system works out what to do and as others have said a slight increase in power to increase the wheel spin works to make the tr system activate more
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