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Thread: Valve cover question

  1. #1
    Senior Member
    Join Date
    May 2006
    Posts
    400

    Valve cover question

    I changed my gaskets today & noticed on the driverside cover there were two hollow tubes that protrude into the head. Does anyone know WTF these things are for? Obviously for sometype of ventalation, but how & why this way?. I noticed mine were plugged up. I easily unplugged them by sticking on a hose & lowing through it.
    Any idea why MB designed them the way they did?

    1989 240sx
    Driftbitch

  2. #2
    Senior Member
    Join Date
    Mar 2005
    Posts
    245
    Ummm, im not sure but it might be part if teh crankcase breather. Im not sure about on you 280, but it may be. If there is a hose running off of the outside of it to the air intake, then its the crankcase breather.
    2000 C230K
    custom intake
    Full audio with MTX, Alpine, And Rf parts
    custom a-pillar pod

  3. #3
    Senior Member
    Join Date
    May 2006
    Posts
    123
    Can you post a broader picture...maybe of the whole valve cover?? Thanks!

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