C3 Cruise diaphram leak question - NCRS Discussion Boards

C3 Cruise diaphram leak question

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  • Ken Liperi

    C3 Cruise diaphram leak question

    Well that evil hook on the drop light punctured the rubber diaphram of the cruise control on my 78.

    Will this only result in losing my cruise control until I replace it?
    Or will this be a major vacuum leak, resulting in loss of power brakes?
  • Michael W.
    Expired
    • April 1, 1997
    • 4290

    #2
    Re: C3 Cruise diaphram leak question

    You sure it's not just a dust cover like the headlight actuators?

    Comment

    • Ken Liperi

      #3
      Re: C3 Cruise diaphram leak question

      It's hollow inside. I replaced it with an NOS one and it's fine now. That thin rubber membrane is just a bellows that holds vacuum for the cruise linkage. One little poke and .....

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