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Brake pedal goes to the bottom, no brakes.

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Old 08-19-2016, 10:14 AM
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Default Brake pedal goes to the bottom, no brakes.

Hello all,
I have a '98 a6 c5 2.5 tdi automatic. I had spongy brakes for a while but it was bearable, last day I tried to park my car but the brakes were just simply gone. There are no leaks, brake fluid is topped off and moves nowhere. Tried bleeding the air out, but up to no avail. If i unscrew hoses comming out of master cylinder, the fluid is leaking without any problems.

Sorry for messy situation, but any help would be appreciated
Old 08-19-2016, 12:36 PM
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From your description, it sounds like the master cylinder is toast.
Old 08-20-2016, 07:56 AM
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Default Agree.

Originally Posted by georgeb944
From your description, it sounds like the master cylinder is toast.
Use power bleeder with new m/c. Bench bleed it before installation.
Don't pedal bleed.
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