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3 Amigos fixed

Discussion in 'Land Rover Freelander' started by ColinC, Nov 24, 2012.

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  1. Bowyer

    Bowyer Member

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    Not yet. I, or rather, my young lad has a reader, but I have no idea whether it can access the ABS system or not. As the CV joints were needing replaced anyway due to wear, and the switch was an easy replacement, I thought I would get the obvious physical possibilities out of the way first. I know a garage that will help, so that will probably be the next step.
     
  2. rob_bell

    rob_bell Well-Known Member

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    Most (all) generic OBD2/EOBD readers will not read ABS system error codes. For that you’ll need a more specialised code reader - and I agree, without the error codes, you might end up replacing the whole system before you track down the problem! In my case, I’d never have thought about the yaw sensor unless prompted to do so by the T4 diagnostic.
     
  3. Bowyer

    Bowyer Member

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    Thanks Rob. In that case, that's definitely my next step! The motor was in a bit of a run down state when I bought it, (previous owner let it go a bit too far) so I'm in the process of bringing it back up to scratch anyway. In the end it's necessary work.
     
  4. Woj

    Woj New Member

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    Hi
    I took to a LR specialist (not Main Dealer) who I have used previously.
    It is possible that some of the previous work used sub-standard parts with possible installation errors leaving some rust within the sensor and excessive wear on the bearing. As a result I have had to replace the bearing and ABS sensor again. It all works now.

    Maybe unlucky - or just that detailled specialist knowledge of the FL2 was essential.
     
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  5. jedi

    jedi Well-Known Member

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    I have those 3 Amigo gits and sometimes my abs pulsates when I really need to stop...I'm hoping its just an abs sensor...but I really can't be arsed.....I have no diagnosis tester.and am toooo tight to buy one....

    can someone use the force and fix it 4 me.
     
  6. GrumpyGel

    GrumpyGel Well-Known Member

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    I just go down to the local indie and cover their palm with a few gold coins to read the error codes.
     
  7. Rich in Vancouver

    Rich in Vancouver Well-Known Member

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    I was just reading an article in a LR magazine about dealing with the 3 amigos on a Disco 2. They suggested one of the prime candidates is a sensor called the "Shuttle Valve Switch" which is located on the bottom of the ABS modulator unit itself. I have never seen a shuttle valve switch mentioned on the Hippo forums. Is this strictly a Disco item, not to be found on a Freelander, or is it something that fails on Discos but is Hippo friendly?
    FWIW: They mentioned that there are 67 separate codes for ABS faults and claim that the switch is responsible for 90% of them.

    Edit: I just checked the Rimmer pages on the FL1 and the Disco 2 and the switch shows as a part on the Disco but not on the FL1 so it seems that it is a Disco only thing. Interesting though!
     
    Last edited: Apr 14, 2018
  8. GrumpyGel

    GrumpyGel Well-Known Member

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    The D2 uses the same Wabco ABS system as the early <=2000 Freelander. I've had the 3 Amigos twice and both times it was the ABS modulator/pump shuttle valves!

    You can replace the shuttle valve pieces and the is a DIY "fix", but its complicated. Both times I've just got a replacement modulator from a breakers.
     
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  9. Rich in Vancouver

    Rich in Vancouver Well-Known Member

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    Thanks Gel! Seems this wasn't a wasted exercise after all. The article was in an American LR mag called "Alloy and Grit" Unfortunately they don't seem to know the Hippo exists but it is interesting reading anyway.
    The part is abut 50 GBP from Rimmer. The mag suggested unbolting the modulator and lifting it enough to unbolt the switch from underneath without kinking the brake pipes. They also mentioned that if the switch has brake fluid on it the modulator needs rebuilding.
     
    Last edited: Apr 14, 2018
  10. GrumpyGel

    GrumpyGel Well-Known Member

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    lol, I would imagine it would be a dickens of a job changing it "blind" underneath a raised unit. When I replaced the whole unit, I planned it methodically so that I wouldn't spill brake fluid everywhere.... and failed miserably :) So if it can be done in place, it would save a lot of mess - and bleeding.

    When the first one went, I got the replacement with the intention of getting a replacement shuttle valve to fix the faulty one as backup. Which I didn't do of course, so I now have 2 faulty ABS modulators waiting to be fixed for the next time :)
     
  11. jedi

    jedi Well-Known Member

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    Will a 2000 X reg TD4 have one of these shuttle valves
     
  12. GrumpyGel

    GrumpyGel Well-Known Member

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    That uses the Teves ABS not Wabco. I don't know if they use shuttle valves, but the main problems are with Wabco.
     
  13. Nodge68

    Nodge68 Well-Known Member

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    Check the rings for splits.
     
  14. jedi

    jedi Well-Known Member

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    Will do as soon as summer arrives. .
     
  15. rob_bell

    rob_bell Well-Known Member

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    Annoyingly still getting occasional 3-Amigo warnings. Typically transient and will either self extinguish during a journal or on restarting.

    I need to get it back in a diagnostic tester to work out what’s going on. But given the muddy water ingress via the centre cubby, I wonder whether the Yaw sensor is worse for wear???
     
  16. GrumpyGel

    GrumpyGel Well-Known Member

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    Don't know if those Amigo errors persist after the lights have gone out - you may need to get a diag reader on it while the lights are lit.
     
  17. Nodge68

    Nodge68 Well-Known Member

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    All ABS units have shuttle valves. However only the Wabco modulator suffers from shuttle valve problems. After 2000 the FL1 went to a different system which changed again in 2003. This change eliminates any shuttle valve issues.
     
  18. Madmustang

    Madmustang Well-Known Member

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    This happened to me Rob on my 2001 TD4. Got a code reader on it which told me both Front ABS sensors were kaput (They were cheap £10 ones) I replaced them over two years ago and still no issues.
     
  19. rob_bell

    rob_bell Well-Known Member

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    Best if the light is lit and the fault is active, but the ECU does retain a memory of all stored faults (which is shown on the dashboard as an ABS light that stays lit from ignition switch on, and until it goes out once the speed sensors recognize around 4mph...

    I replaced a badly repaired OSF speed sensor last year with a cheap 12 quid eBay one last year. It did at least come with a "2 year guarantee". If that's the problem, it'll be interesting to see whether I get my money back! ;)
     
  20. jedi

    jedi Well-Known Member

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    My 3 Amigo have suddenly turned into 3 amigos with hand brake light and the speedo stopped working including the odometer..anyone had that one before?? Think I have to dip into me pockets and buy a i930...all my abs sensors test OK ohmage wise...but this was the case last time until one finally failed open circuit.
     
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