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Thread: Removing/by-passing ABS on 95 RRC?

  1. #1
    Join Date
    Nov 2011
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    People's Republick of Cambridge & Malpais CR
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    Default Removing/by-passing ABS on 95 RRC?

    Doable?

    Although the ABS and TC has its moments of utility, for most part I can do without. Even more so since this truck will be off road 75% of its use time. I have been able to by-pass and remove ABS systems on Subaru (for rally cars), but I have no idea what it would take to remove ABS on a RRC. My ABS system is wonky (yes all three lights are on: brake, ABS, and TC) and I was wondering if/what others have done to by-pass the OEM ABS.

    Anyone know if it has been done? If so, was it a moderate or extensive (PITA) undertaking?

    I'm thinking 500 bucks can buy a lot AN3 fittings, brake line, and resistors to keep from throwing codes... Obviously I don't care about keeping stock integrity.

    I've searched a bit, but found nothing on removing, only replace ABS. If ya gots stories please share'm.
    The Toltec Coffee fleet....
    96 FZJ80: 3XL, lifted, and shaved
    94 FZJ 80: our Costa Rican coffee and surf mobile
    70 Series IIA 88: After 18 months of wrenching, its alive and legal to drive!
    70 Series IIA 88: in US on H-1B visa
    56 Series I 86: a whole new type of rover hell....

  2. #2
    Join Date
    Oct 2006
    Posts
    1,199

    Default

    Yes, but you have to remove all the ABS schmidt, replace the ABS master cylinder with a pre-ABS pedal/tower, booster and MC. Then you replumb the brake lines, bleed and go on your way.

  3. #3

    Default

    I'm not familiar with the RRC braking system, but is the ABS MC that much different from the non-ABS MC? On the '95 Disco even though Rover specs a different MC between the ABS and non-ABS a number of people have removed the ABS pump but used the same MC without issue. Of course the Disco doesn't have TC so maybe that makes a bigger difference.
    Last edited by antichrist; 02-02-2013 at 08:02 AM.
    Tom Rowe

    Four wheel drive allows you to get stuck
    in places even more inaccessible.

    62 88 reg
    67 NADA x2
    74 Air Portable - The Antichrist (tag 6A666)
    95 D1 - R380
    95 D90 - R380
    97 D1 - ZF

  4. #4
    Join Date
    Oct 2006
    Location
    CT, USA
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    Default

    Night and day difference between the RRC and DI braking systems. Think cost no object versus built to a price point. There's a reason the ABS block on a RRC costs around $3K whereas the DI is about half that cost. When Rover decided to be the first ever manufacturer to offer ABS on a full time four wheel drive passenger vehicle they spared little expense in doing so. It's no so simple as removing the pump or pulling a fuse. It's major surgery.
    paulgrant@mac.com
    203-770-1699

  5. #5

    Default

    Is the RRC ABS tied in to engine management the way it is on later the Discovery? I can't see that it is, but then I didn't look in detail. I do see that the RRC and D1 systems are not at all alike.
    It does look like you'd have to replace the MC and maybe booster, but it looks more like a matter of having to remove a lot of stuff, or at least disconnect it, and install a non-ABS pressure reducing valve.
    Tom Rowe

    Four wheel drive allows you to get stuck
    in places even more inaccessible.

    62 88 reg
    67 NADA x2
    74 Air Portable - The Antichrist (tag 6A666)
    95 D1 - R380
    95 D90 - R380
    97 D1 - ZF

  6. #6
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    Nov 2011
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    People's Republick of Cambridge & Malpais CR
    Posts
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    Default

    Quote Originally Posted by Paul Grant View Post
    When Rover decided to be the first ever manufacturer to offer ABS on a full time four wheel drive passenger vehicle they spared little expense in doing so. It's no so simple as removing the pump or pulling a fuse. It's major surgery.
    Was afraid of that... On the '95 RRC I have too many features, on my '76 SIII I have too few....perhaps I need to exchange them for an '85 110 Country.... Will keep this thread posted on what I end up doing with the RRC ABS.

    Paul: do you take direct deposit from my employer?
    Last edited by REDrum; 02-02-2013 at 09:48 PM.
    The Toltec Coffee fleet....
    96 FZJ80: 3XL, lifted, and shaved
    94 FZJ 80: our Costa Rican coffee and surf mobile
    70 Series IIA 88: After 18 months of wrenching, its alive and legal to drive!
    70 Series IIA 88: in US on H-1B visa
    56 Series I 86: a whole new type of rover hell....

  7. #7
    Join Date
    Feb 2010
    Posts
    151

    Default

    Probably easier to remove those warning light bulbs

  8. #8
    Join Date
    Nov 2011
    Location
    People's Republick of Cambridge & Malpais CR
    Posts
    175

    Default

    So, I'm going the rebuild the ABS route instead of by-pass the ABS route. Got a very good deal on a NIB ABS pump.
    The Toltec Coffee fleet....
    96 FZJ80: 3XL, lifted, and shaved
    94 FZJ 80: our Costa Rican coffee and surf mobile
    70 Series IIA 88: After 18 months of wrenching, its alive and legal to drive!
    70 Series IIA 88: in US on H-1B visa
    56 Series I 86: a whole new type of rover hell....

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