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Avid elixir cr pistons sticking?

BigStu2BigStu2 Posts: 794
edited January 2013 in MTB workshop & tech
Hi, just replaced the pads on my brakes, they were working fine up untill 2 hrs ago now the front lever pulls all the way to the bar, all I did was insert the plastic avid wedge to open up the pistons with the new pads in place while the bike was upside down, if a piston is stuck how do I free it up again, needs to be workng as I'm sellng them :oops:
.........all
...at........work
fun..................&
..no.............no
.....is......play

Posts

  • supersonicsupersonic Posts: 82,708 Lives Here
    Remove pads and slowly press the lever. Are the pistons moving? Never opush them too far though! Clean with plain water and try again. Dry, add a small drop of DOT 4 (or 5.1) to the seal/piston, press lever, wipe, push piston back. Keep doing this and they will move eventually!
  • BigStu2BigStu2 Posts: 794
    Thanks super, what happens if they were pushed too far???
    .........all
    ...at........work
    fun..................&
    ..no.............no
    .....is......play
  • The RookieThe Rookie Posts: 27,802
    They fall out....
    Current steed - Whyte T129, 2013 frame, mongrel Revelations, Giant dropper, Stans S1 wheelset. 12, Magura Trail Sport brakes, 1x11. 12.8Kg
  • supersonicsupersonic Posts: 82,708 Lives Here
    They might fall out lol.
  • BigStu2BigStu2 Posts: 794
    :lol Nope, their still in there.
    Spinning the wheel and applying the brake stops the wheel but the lever is on the grip, must be an air problem, been like it for the past 18 months whenever the bike is upsidedown the lever hits the grip but a few pumps it normally fixes itself, not this time however....
    .........all
    ...at........work
    fun..................&
    ..no.............no
    .....is......play
  • supersonicsupersonic Posts: 82,708 Lives Here
    Never apply the brakes when the bike is upside down! This may be the problem.
  • The RookieThe Rookie Posts: 27,802
    Agreed, upside down any air rises in the resevoir to the pickup point, right way up the pickup point is safely under fluid.
    Current steed - Whyte T129, 2013 frame, mongrel Revelations, Giant dropper, Stans S1 wheelset. 12, Magura Trail Sport brakes, 1x11. 12.8Kg
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