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Old 11-20-2019, 03:20 PM
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Quote:
Originally Posted by andrewwynn View Post
My thought is that somehow the booster is allowing fluid backwards. I'm guessing a check valve is stuck open. There are some good rebuild DIY out there


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Did you mean master cylinder? The booster has no brake fluid, just vacuum.

OP find out where the pressure fluid is going. Is the fluid level decreasing after several pumps to the floor?
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