[phatdoughnut]

Reviving old thread. Anyone have any success bleeding the system? Mine constantly loses pressure. I can blead the MC like once or twice and get fully pressure again.

 

[phatdoughnut]

According to this, your theory is plausible. If the ventilation of the reservoir is blocked or restricted, the4 resul;ting vacuum wi9ll tend to pull air in from wherever it can. Racebikes use socks around the res to soak up spillage, that, without ventilation, could not happen.

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Didn't know that was the reason race bikes used socks. I thought it was just to cover up the clear reservoir. Sounds like I'll end up doing a bleed. It's just weird that for the first year and a half there was no issue and now out of nowhere just sitting in the garage there's no pressure. It usually just takes one crack on the bleeder to get pressure back up.

 

[phatdoughnut]

Mine went away after I flushed my fluid. I don't know if it was a coincidence or what.