Holes in the firewall

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  • Zues
    Advanced Member
    • Feb 2009
    • 145

    #1

    Holes in the firewall

    Are these holes normal? I knew I was getting more engine noise than I should be. especialy above 2k. It sounds like noisy tapping injectors.
    Attached Files
    90 m20is
  • FredK
    R3V OG
    • Oct 2003
    • 14752

    #2
    Yes. Those holes are supposed to have plastic grommets in them in an automatic car.

    The top hole is for the clutch master cylinder soft line from the brake fluid reservoir, and the bottom hole is for the clutch master cylinder output.

    Comment

    • StereoInstaller1
      GAS
      • Jul 2004
      • 22679

      #3
      That is NOT supposed to be there, but I cannot remember what is.

      I am in Redmond tonight, you are welcome to call me and stop by (520 and Redmond Way) but I am off to Fatburger for some grub.

      four two five-seven six one-six four five one

      Luke

      Closing SOON!
      "LAST CHANCE FOR G.A.S." DEAL IS ON NOW

      Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398

      Thanks for 10 years of fun!

      Comment

      • Zues
        Advanced Member
        • Feb 2009
        • 145

        #4
        Luke is that a bogus #
        90 m20is

        Comment

        • Zues
          Advanced Member
          • Feb 2009
          • 145

          #5
          So now on to filling them. Eventually going to an s50 with a manual swap. Whats the best tranny for the job and what master cylinder should pair with that.
          90 m20is

          Comment

          • FredK
            R3V OG
            • Oct 2003
            • 14752

            #6
            Use the E30 master cylinder. I'd get a ZF310 or 320 from a 95M3, 96+ 328i, or 96+M3.

            Comment

            • Zues
              Advanced Member
              • Feb 2009
              • 145

              #7
              Right on, thanks for the info.
              90 m20is

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