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  • crank case vent pipe to air duct

    on the passenger side of the engine,(3.4), on the valve cover, there is a crank case vent pipe leading to the intake hose. well this vent pipe is allowing oil into my intake hose.......!..... how do i stop the oil, isnt this vent pipe only suppose to vent air in the valve cover?
    thanx.
    FOR SALE: 94 3.4 camaro <a href=\"http://www.cardomain.com/ride/2193648clutch240@yahoo.com\" target=\"_blank\">http://www.cardomain.com/ride/2193648clutch240@yahoo.com</a><br />my import with a touch of american muscle..... <a href=\"http://www.cardomain.com/ride/2090657\" target=\"_blank\">http://www.cardomain.com/ride/2090657</a> <br />\" Im getting a foot-print gas peddle installed, so i stole this pile.\"

  • #2
    That tube is there to allow filtered air into the engine. Crankcase air goes out through the PCV valve. You shouldn't be getting oil going out through that tube into the intake. Is the oil level or pressure too high?
    1994 Firebird 3.4<br />15.65 @ 86.8<br /><a href=\"http://www.funkz.net/firebird.htm\" target=\"_blank\">funkz.net/firebird</a><br /><a href=\"http://mywebpages.comcast.net/funkz/timeslips.htm\" target=\"_blank\">Timeslips</a>

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    • #3
      oil presure is always good never over 80 or even to 80, oil level is always good to..so if the air is filterd, then that means there is a filter in the valve cover right?
      FOR SALE: 94 3.4 camaro <a href=\"http://www.cardomain.com/ride/2193648clutch240@yahoo.com\" target=\"_blank\">http://www.cardomain.com/ride/2193648clutch240@yahoo.com</a><br />my import with a touch of american muscle..... <a href=\"http://www.cardomain.com/ride/2090657\" target=\"_blank\">http://www.cardomain.com/ride/2090657</a> <br />\" Im getting a foot-print gas peddle installed, so i stole this pile.\"

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      • #4
        The air entering that tube has already been filtered by the regular air filter or CAI you're using.

        I think you should replace your PCV valve, that's where crankcase air is supposed to go out. If it's coming out the intake then it must be because the PCV is blocked. The PCV is in the other valve cover. Pull it out and shake it, if it rattles it is good, although they're so cheap you might want to replace it regardless. You can also try blowing through it from the wide end (after wiping it off first) cause the blockage could be in the rubber hose also.
        1994 Firebird 3.4<br />15.65 @ 86.8<br /><a href=\"http://www.funkz.net/firebird.htm\" target=\"_blank\">funkz.net/firebird</a><br /><a href=\"http://mywebpages.comcast.net/funkz/timeslips.htm\" target=\"_blank\">Timeslips</a>

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        • #5
          the PCV valve is new, i just cant seem to figure out why the oil is getting into that vent tube, i had a 3.1 beretta that did the same thing.
          FOR SALE: 94 3.4 camaro <a href=\"http://www.cardomain.com/ride/2193648clutch240@yahoo.com\" target=\"_blank\">http://www.cardomain.com/ride/2193648clutch240@yahoo.com</a><br />my import with a touch of american muscle..... <a href=\"http://www.cardomain.com/ride/2090657\" target=\"_blank\">http://www.cardomain.com/ride/2090657</a> <br />\" Im getting a foot-print gas peddle installed, so i stole this pile.\"

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