I recently took my bike in for a tune-up. When I picked it up, I was told my rear brake (Hayes HFX 9) had too much fluid in it, so they bleed it a bit. During my first ride afterward, it seemed pretty clear to me that they'd bleed too much, as I was able to squeeze the lever until it touched my grip. I haven't had a chance to take it back to the shop, and I've semi-fixed the problem by increasing the throw, but I'm curious: is it possible to add a bit of fluid without having to completely bleed the whole line? My gut says "no", but what say you?
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Thread: "Topping off" brake fluid?