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PCV valve on 04 6.0L

This is a discussion on PCV valve on 04 6.0L within the General Help forums, part of the LSx Technical Help Section category; Where is the PCV valve located on a 04 GMC 6.0L? I bought a replacement PCV valve, it looks like ...

  1. #1
    Junior Member orange T/A's Avatar
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    PCV valve on 04 6.0L

    Where is the PCV valve located on a 04 GMC 6.0L? I bought a replacement PCV valve, it looks like it presses in to the valve cover but I do not see one on my truck.

  2. #2
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    2007 Cadillac Escalade
    98 Camaro SS, 09 G8 GT

    It's on the driver side valvecover in the back.....it's on the end of the vaccum hose going from the top of the intake to the back of the valvecover. Pull the hose out of the valvecover and the pcv will come out with it. Replace it on the hose and push the pcv back into the valve cover. I just did mine too.
    1998 Sebring Silver Camaro SS Convertible
    Cammed, Geared, Stalled and soon to be blown via F1-C
    2009 Stryker Blue Pontiac G8 GT
    Kook's 1 7/8's LTH's and catted X, Pypes A/B, Vararam, Tune
    2007 Black Raven Cadillac Escalade
    Vararam, Leveling Kit, 33's

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    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    On your 04, I don't think there is a replaceable PCV valve. In its place is a fixed orifice built into the valve cover. If its bad, you either clean it or replace the valve cover.

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