Clutch master cylinder leaking

1997 AUDI A4
166,000 MILES • 2.8L • V6 • 4WD • AUTOMATIC
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THATONEGUY86
  • MEMBER
  • 1 POST
I recently had to replace my master cylinder with a new one, however, it seems to leak brake fluid from the top grommet no matter what i do. I have checked to make sure i was installing it right multiple times as well. Also, the master cylinder seems to not gain any pressure either which makes me think that the fluid is not even entering the cylinder. I have already bought two clutch master cylinders and they both leak in the same area. Am I missing something I am supposed to do? Any help is greatly appreciated. (Sorry for the misinformation at the top, my car is a manual).
Dec 4, 2017 at 9:35 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
No problem. It sounds like you are missing something like a sealing washer or something. Can you upload pictures so I can see what you are talking about?

Here are some diagrams from the manual you can see there is an extra O ring it looks like (below)

Check out the diagrams (Below)

Please let us know what happens.

Cheers, Ken
Dec 7, 2017 at 10:44 AM
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