Quote:
Originally Posted by 5150
An update for those interested:
I think the brakes need bleeding. Braking power has diminished slightly since my last post, and upon jiggling the bike a little on a hunch, I saw a small air bubble in the front reservoir.
Could a big bubble somewhere else in the system cause the fluid level to rise? It'd certainly make the brakes feel spongy, from what I can gather....
Sorry for all the n00b questions!
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The reservoir is not filled to the brim and then sealed. Air in the reservoir will just be air above the fluid mixing with the fluid because you 'jiggled' it!
It'll only be a sealed system between the pistons in the master and slave, which you can't see as the lines are not transparent.
Did the service you had done include some work on the calipers? Every time I've had a service they always clean up the calipers and apply liberal amounts of copperslip etc to the pins that hold the pads in place. Maybe that's what they did and the pads are moving back a bit more now when you release the lever. If they topped up the reservoir to max, then now the calipers have freed up a bit, it could be reading slightly over?
All of the above could be total nonsense though, if you don't know what our doing with your brakes, I'd get somebody who does to look at them?