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Rear caliper bleeding

Discussion in 'Rover P6 Brakes' started by mtb_tuli, Jun 18, 2017.

  1. Barten

    Barten Member

    The first pic is of LH disc with handbrake disengaged. Nect pic is the same but with handbrake engaged. Last there is a Picture of the RH disc with the handbareke engaged. Very poor Pictures I'm afraid, but not very good Access underneath the car.

    rsz_20180507_105341.jpg rsz_20180507_105716.jpg rsz_20180507_105734.jpg
    regards, Barten
     
  2. harveyp6

    harveyp6 Well-Known Member

    1st pic, handbrake quadrant looks to be back on its stop with the handbrake released. I can't quite see if the inner pad slipper is fitted the correct way up.

    2nd pic there doesn't seem to be excess movement of the quadrant with the handbrake on but it's difficult to say for certain as I can't see the slotted head of the stop bolt.

    3rd pic once again there doesn't appear to be excess movement of the quadrant to get the handbrake on, but the spring clip that rests against the outer pad should be on the rear of the caliper, not the front. The pad slipper is correctly fitted this side.
     
  3. Barten

    Barten Member

    I have taken off the rh side disc an tried to adjust out the piston. I first turnet it 2 turns, tried to get the disc and pads on again. It was too tight. V
    Winded it back one turn. Still too tight. So now I am back to the original setting.
    Harvey, I see what you say abot the pad slippers and the spring to hold back the wear wiring from the discs. The slippers, are they supposed to be sitting "high" or "low" . To me it looks like the lower position is right.
    And I think I have to look elsewhere for the culprit. I suspect something inside the servo slave cylinder is not correct.
    Regards Barten
     
  4. harveyp6

    harveyp6 Well-Known Member

    You don't adjust the calipers by turning the piston outwards, you operate the quadrant.
    If I understand you correctly, the slippers sit "low".
     
    Barten likes this.
  5. Barten

    Barten Member

    Hm. It seems like I have to read the WM more in detail. How do I adjust it by operating the quadrant then? Do i have to diconnect the handbrake wire first?
     
  6. harveyp6

    harveyp6 Well-Known Member

    I'd say forget the WM.

    It's easier if you disconnect the cable first, then operate the handbrake quadrant full travel as many times as it takes to get the disc to just slide inbetween the pads with the quadrant at rest.
     
  7. Barten

    Barten Member

    Ok, I'll try that. Thanks.
     
  8. harveyp6

    harveyp6 Well-Known Member

    If it wasn't clear in my previous post, I would add that I would always remove the disc to do it.
     
  9. Barten

    Barten Member

    Then I wonder when do you know how to stop. When the disc is not there, do you measure the gap between the pad or what?
     
  10. harveyp6

    harveyp6 Well-Known Member

    You get it close, then slide the disc in, then remove the disc, go a few clicks, slide the disc back in, and so on. When it gets really close put the disc in and mount it on the dowels, and even then you should get a bit more. if you go too far, wind the piston back in one turn and go again.
     

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