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Thread: Discovery 4 - Park Brake Fail

  1. #1
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    Discovery 4 - Park Brake Fail

    Hi All

    I can report our recent school holidays road trip to FNQ went well, until we got home. We did a small amount of beach driving and drove through a couple of small creek crossings (maybe 20cms high and 20m long). Got home and stayed put for a few days. Next time I drove the Disco the park brake would not release (I was parked up a steep driveway). I waited an hour and it released and I managed to get home. The Independent Land Rover workshop in our area has quoted $1,600 for a new electric Park Brake plus labor. Having a look on-line this seems to be a not uncommon occurrence. I would appreciate any feedback on the best course of action to take. I have not researched whether a non genuine part is an option. I am reluctant to do this, as we used non genuine for the brake pads and they squeak....

    Thanks in advance, Jem

  2. #2
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    Start by downloading “Bodsys Brake Bible”
    Then service the brakes and adjust before spending any more.

    You’ll need tools (as per the BB and some suitable grease for the mechanism and some brake cleaner.

  3. #3
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    Quote Originally Posted by Tombie View Post
    Start by downloading “Bodsys Brake Bible”
    Then service the brakes and adjust before spending any more.

    You’ll need tools (as per the BB and some suitable grease for the mechanism and some brake cleaner.
    Thanks for sharing your expertise. Are you thinking this may be a fixable issue? Given it released after a while I thought maybe it was repairable?

  4. #4
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    Quote Originally Posted by JemJames View Post
    Thanks for sharing your expertise. Are you thinking this may be a fixable issue? Given it released after a while I thought maybe it was repairable?
    Start with a good clean out and proper adjustment and all maybe good,which is a common fix.
    Paul

    D2,D2,D2a,D4,'09 Defender 110(sons), all moved on.

    '56 S1,been in the family since...'56
    Comes out of hibernation every few months for a run

  5. #5
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    Yes. May just need servicing and adjustment.

  6. #6
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    As others have advised, clean, adjustment may well fix it.
    But if its failed internally (stripped plastic gears) then there are kits available, I prolly wouldn't use a Britpart kit though.

    Putting in new gears, greasing up, re-sealing, lubing cable, cleaning rear brake assembly, lubing, replacing rear rotors and brake pads (if worn), adjustment, calibrate etc, I charge just over 1K which includes labour. I'm guessing most repairers are going to be round the same cost so quite a bit cheaper than replacement of the complete assembly.
    Regards
    Daz


  7. #7
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    Thanks!!

    Thank you all for the advise! I will be much better informed now when dealing with the repairs. Sincerely much appreciated.

  8. #8
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    Quote Originally Posted by DazzaTD5 View Post
    As others have advised, clean, adjustment may well fix it.
    But if its failed internally (stripped plastic gears) then there are kits available, I prolly wouldn't use a Britpart kit though.

    Putting in new gears, greasing up, re-sealing, lubing cable, cleaning rear brake assembly, lubing, replacing rear rotors and brake pads (if worn), adjustment, calibrate etc, I charge just over 1K which includes labour. I'm guessing most repairers are going to be round the same cost so quite a bit cheaper than replacement of the complete assembly.
    Just wondering which kit you would recommend? Thanks

  9. #9
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    Quote Originally Posted by JemJames View Post
    Just wondering which kit you would recommend? Thanks
    At the moment I dont have any definite recommendations as I've been trying a few different brands but none have done any long term testing.

    Hopefully someone on AULRO has some good recommendations
    Regards
    Daz


  10. #10
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    D4 Park Brake

    Have a look on youtube search for LRDRIVE. Full video on how to fix it.

    Quote Originally Posted by JemJames View Post
    Hi All

    I can report our recent school holidays road trip to FNQ went well, until we got home. We did a small amount of beach driving and drove through a couple of small creek crossings (maybe 20cms high and 20m long). Got home and stayed put for a few days. Next time I drove the Disco the park brake would not release (I was parked up a steep driveway). I waited an hour and it released and I managed to get home. The Independent Land Rover workshop in our area has quoted $1,600 for a new electric Park Brake plus labor. Having a look on-line this seems to be a not uncommon occurrence. I would appreciate any feedback on the best course of action to take. I have not researched whether a non genuine part is an option. I am reluctant to do this, as we used non genuine for the brake pads and they squeak....

    Thanks in advance, Jem

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