Dammit’s adventures in mountain biking

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  • Look like you narrow it down to air in system.

  • Bleed kit plumbed in, air is coming out. Which I may have introduced when I screwed the bleed kit in, which is annoying from an "aha!" moment perspective.

    If it was simply air that got in the key question is, I would think, where did it get in?

  • I'm not convinced that so much air could get in to the point the levers would go to the bar.

    Send me your bank account details please, all my money going on fluid loss.

    But once the bleed process is finished, if they appear to function normally its probably going to be hard to pin point what the actual problem was.

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  • You've reinvented the SodaStream

  • Have you done any pressure tests after bleeding?

  • nice touch with the grip tape on the lever

  • Are these still under warranty?

  • You've reinvented the SodaStream

    Sparkling mineral oil, as it's not from the Champagne region.

  • Have you done any pressure tests after bleeding?

    Still bleeding, happy (indeed, keen) to perform any tests that you suggest when I button it up again.

  • Are these still under warranty?

    Lever is newish, calliper and hose must be around the six month mark.

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  • Hah


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  • nice touch with the grip tape on the lever

    Thanks - the Rockshox Stealth remote is a bit slick out of the box.

  • Once bled, leave the pads out and clean and dry everything. Wrap a spacer block in paper, and fit it into the caliper.
    Apply pressure at the brake lever using a toe strap or similar, and leave for a few hours (overnight if you have time).
    Once enough time has elapsed, undo the strap and give the brake a test squeeze. Check the paper for any evidence of fluid leaking out from the pistons.

    (Apols if egg sucking 101)

  • I could do that.

    In "maybe we've got something", the Easy Bleed Screw seems to not be threading in, there's no resistance (although I'm aware it's meant to be 0.5Nm there seems to be nothing at all).

    I'm a little surprised that it's not been fired out of the lever though, if there's no thread engagement.

  • Well, firm lever, EBT screw not being fired across the room, no visible sign of oil coming out or air going in. But then, I got to this point last time.

    I am ashamed to say that I can't really tell which of options 1-4 it was, so I will probably have to ascribe it to air in the system.

    I'm just a bit confused as to why I had great lever feel, then nothing.

  • I am ashamed to say that I can't really tell which of options 1-4 it was, so I will probably have to ascribe it to air in the system.

    If you can't tell, then it must be the goblins.

  • I could smell my victory but it has been cruelly snatched away from me

  • Wheel in, calliper aligned to the disc, pads in, pins in, pull the brake lever - a nice amount of feel, bite point where it was last time.

    However, only the external pistons have adjusted to the width of the disc, inner pistons still fully in their bores, and the pads are dragging on the disc.

    Quite annoying, as the first tests showed that the pistons are all moving, I guess this means that the inners are sticky. I'll pull it apart again and will lubricate the pistons, see where that gets me.

    I've ordered some new EBT screws and will change those as a precaution.

  • So the pistons are sticky? And there was air in the system?

  • The pistons are not extending/self adjusting one the inner face, and there did, I would say, appear to be air in the system.

  • I’m calling that a win

  • I’m calling @edscoble randonneurgate

  • TBF, his worst one was the Open Pro wheels brought second hand only to discovered it to be completely trash before it even left the turbo trainer.

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Dammit’s adventures in mountain biking

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