Replacing Valve Seals?

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The Classic Cadillac Forum Discussion, Replacing Valve Seals? in Past Cadillac Vehicle Discussion; Does anyone know what all is involved in replacing the valve seals on a 429? I looked online for some ...
  1. #1
    Six Fo is offline Cadillac Owners Member
    Automobile(s): 1964 Coupe DeVille
    Join Date
    May 2013

    Replacing Valve Seals?

    Does anyone know what all is involved in replacing the valve seals on a 429? I
    looked online for some instructions or a video but didnt come up with much. Thanks

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  3. #2
    CaddyGas's Avatar
    CaddyGas is offline Cadillac Owners Fanatic
    Join Date
    Jun 2012

    Re: Replacing Valve Seals?

    Removing the heads. Taking off the valves replacing seals etc. Depends what motor looks like inside might as well do everything, if it looks good seal it up with new chain and gaskets since it's open.

  4. #3
    mikeceli is offline Cadillac Owners Member
    Automobile(s): Cadillac
    Join Date
    Mar 2007
    N. CA.

    Re: Replacing Valve Seals?

    I have never done it on a Cadi, but w/ the right tools, valve seals can usually be replaced w/ the heads on the engine. Just, if the guides turn out to be worn, the heads must come off.

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