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Thread: 70-S - master cylinder feed lines/grommet & washers??

  1. #1

    70-S - master cylinder feed lines/grommet & washers??

    I am making an assumption that the two washers included in a small parts bag of my new master cylinder are intended to be installed under the rubber grommets where the brake fluid reservoir lines attach. Since these washers were not installed under the grommets (which were installed), just want to confirm the washers indeed need a home under the grommets. Thank you.
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  2. #2
    Senior Member
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    you're assumption is correct , washers under grommets . You probably know this , but make sure the flared metal end is all the way down in the grommet . Not always easy .

  3. #3
    Quote Originally Posted by Richy View Post
    you're assumption is correct , washers under grommets . You probably know this , but make sure the flared metal end is all the way down in the grommet . Not always easy .
    Thank you for the prompt and helpful reply, and 'yes' to properly seating the grommets with the flared ends.

  4. #4
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    Hi, for the un-innitiated, do the flared ends sit all the way down in the rubber grommets? i.e. all the way against the washers? I read in another post that it is easier to seat the metal tubes before installing the master cylinder, correct?

    Thanks!
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  5. #5
    Senior Member eaton's Avatar
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    One more for the uninitiated. How would a person know if the flared ends are not properly seated in the grommets? Would it leak fluid, suck air, or both? I ask this because I once foolishly pulled one out of the grommet "to see how it works." I pushed it back in, and all seems fine.
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  6. #6
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    The flared end naturally want to fit fully seated in the grommets and against the washers. The washers are there to provide a stop for the flared ends; if they go too far they may not be able to flow fluid. It is often much easier to install the lines before the MC is fitted into place. There is more room to maneuver, better grip on the parts and better leverage. Generally you can feel a snap when everything gets seated.
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