Front brakes

Discussion in 'Mech Tech' started by Baysearcher, Jun 30, 2019.

  1. Baysearcher

    Baysearcher [secret moderator]

    How easy should it be to spin the front wheels by hand with it jacked up?
    Mine are grindy....
     
  2. Shouldn’t really grind. Muck on the pads? If they rumble, may be bearings.
     
    mgbman and Baysearcher like this.
  3. Baysearcher

    Baysearcher [secret moderator]

    I assume this shows nothing?

    2AD55150-5695-42BE-836C-66FAC48C027F.jpeg
     
  4. Baysearcher

    Baysearcher [secret moderator]

    No rumbling but a clicking if I’m going round a roundabout. They seem to be really rubbing the discs?
     
  5. Baysearcher

    Baysearcher [secret moderator]

    Or this?

    1313593C-15ED-4757-90C8-63427D6D001A.jpeg
     
  6. Baysearcher

    Baysearcher [secret moderator]

    Anything I need to do before taking the calliper off? I assume it’s just to 2 big bolts on the back?
     
  7. Pads don't look worn enough to grind, take 'em apart and clean 'em up. As Snotts says maybe some grit stuck in there.
     
    F_Pantos and Baysearcher like this.
  8. Looks a bit scored with road muck. I’d whip the pads out and clean them as a first step. Even when they’re fine, they may bind a bit until the rotating disc knocks them back a bit.
     
  9. Baysearcher

    Baysearcher [secret moderator]

    Cheers.
    Is it just to 2 big bolts?
     
  10. Baysearcher

    Baysearcher [secret moderator]

    Do I even need to remove the calliper or should the pads come out?
     
  11. No, take the pins out, prise the pads back and they should come out.
     
    snotty and Baysearcher like this.
  12. Baysearcher

    Baysearcher [secret moderator]

    Loads of depth on them.
    What can I use to clean them up?

    BCFA88E9-1CC4-44FD-978F-81F7BF4E6D9E.jpeg B8FF1F46-CA95-42F5-9F56-5345767FF22A.jpeg
     
  13. Baysearcher

    Baysearcher [secret moderator]

    Ah. I assume this isn’t great....
    The seals are shredded?

    9957E5A1-AB4F-4166-A434-59C317DBC9B9.jpeg

    A207D1BB-6C26-42C3-A99F-712CD09F6DEE.jpeg
     
  14. Merlin Cat

    Merlin Cat Moderator

    I’m available via this forum if you have any difficulties getting the other brakes off :)
     
    Razzyh, F_Pantos, art b and 9 others like this.
  15. Bulletooth and Baysearcher like this.
  16. @Crispy seems to have the same front brake issues as you. See his caliper seals post. Your disks look badly scored and worn down with a rusted lip around the edge. Pads look good depth but surface looks bad and the caliper seal has issues.

    Sorry for repeating myself, but there comes a time with those all important brakes to renew them. If it were me, I would replace disks, calipers, pads and flexi hoses. All parts are readily available and if you don't want to fit them, you can source the parts and any decent garage can do the work, nothing complicated about them.
     
    nicktuft, Faust and snotty like this.
  17. Shopping trip to Bigg Red on the cards there..
     
    Razzyh likes this.
  18. Seal kit, wire brush (face mask) clean it all up.
    I suspect the ker-nackered dust seals are preventing the pistons retracting after use.
    Re-assemble.
    Bleed the brakes.
    Good as.
     

  19. Actually, that's more like it.
     
  20. Baysearcher

    Baysearcher [secret moderator]

    The discs are fine. The lip is minimal and the scoring is pretty much non-existant.
    Think I’ll try and free off the pistons and bung it back together for next weekend; then get rebuild kits for the week after...
     
    Popsy likes this.

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