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  • in reply to: bleeding Tektro m285 brakes (why is there a pin hole?) #502716

    So. The oil is leaking from the front of the reservoir. Right under the cap. I looked over the bladder didn’t seem to be worn or ripped in anyway. I tightened the screws that hold the cap/bladder on.  I don’t understand why it would be leaking out of the front so bad.

    in reply to: bleeding Tektro m285 brakes (why is there a pin hole?) #502650

    Yea the sponginess comes back after the ride, when the bike sits.

    So the debris in the master cylinder can cause this?

    Guess i’ll be cleaning that this evening.  would this need to be completely disassembled? or could a simple clean by pushing the cylinders out a bit. ( just wiping the cylinder with alcohol and re-lubing.)

    in reply to: bleeding Tektro m285 brakes (why is there a pin hole?) #502610

    So I was about to work on the bike and reread your first comment.

    I do have fluid loss when I go to ride, after bleeding.  I have topped it off right before my ride and had the brakes work fine during my ride.  I have also had spongey levers then drive with my bike on my hitch and have the brakes work better when I’m done driving.

    Does it still sound like the master cylinder? I am planning to check it today anyway. Im just trying to learn as much as possible.

    Thanks again!

    in reply to: bleeding Tektro m285 brakes (why is there a pin hole?) #502481

    Thanks for the reply.

    Never would have guessed that the bladder moved with wear to fill in the gaps.  makes sense when you say it though.

    I will take a look at the master cylinder this week and see what I can find.

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