C2 - Grommet Sealant - NCRS Discussion Boards

C2 - Grommet Sealant

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  • Mark H.
    Very Frequent User
    • July 31, 1998
    • 384

    C2 - Grommet Sealant

    The various firewall grommets on my car appear to have been sealed around the edges with some sort of black goop. What is the closest available material to what was used at the factory (assuming the black goop was applied at the factory)?
  • Terry M.
    Beyond Control Poster
    • September 30, 1980
    • 15601

    #2
    Re: C2 - Grommet Sealant

    Mark,
    C-3s have what I believe is a similar black tar like substance. I have suggested liquid roofing cement to folks restoring C3s, however there may be something more automotive related that will work. See what the others have to say. One of the nice things about the roofing cement is that it is available at any good size hardware store or home center.
    Terry

    Comment

    • Mark H.
      Very Frequent User
      • July 31, 1998
      • 384

      #3
      Re: C2 - Grommet Sealant

      Great idea. I think I even have some in the garage. Ever had a problem with the smell?

      Comment

      • Terry M.
        Beyond Control Poster
        • September 30, 1980
        • 15601

        #4
        Re: C2 - Grommet Sealant

        I have not had to use it myself. Let's see if someone else has. Might need to wait until after the holiday for folks to come back here for their Corvette fix.
        Terry

        Comment

        • Floyd #21606

          #5
          Re: C2 - Grommet Sealant

          Guys, I have used "Kent Leak Check" made by Kent Industries.
          Phone number 1 800 654-6333. This is in a aerosol can and when
          sprayed on the firewall it looks exactly like the stuff the factory
          used for their leakers. It can also be used for the undercoating in
          the wheelwells.

          Hope this helps,
          Floyd
          65 Fuelie

          Comment

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