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Two days ago I had to pull the pedal box to fix a crack at the clutch lever. Yesterday I had a sinking brake pedal for the first time. Brake light on dash would come on if I was on the brake pedal long enough. Brake light came on twice, but I had a sinking pedal all day. Have 21" of vacuum. Solid pedal when all vacuum is out of the booster, no leaks anywhere. Today there is no sinking pedal at all, no brake light either.
Did I damage the booster when I removed the pedal box?
I know about the zero loss booster, dont know if its installed right now or just the original one.
Was thinking about upgrading to a hydrobooster, worth it if the booster flakes out again?