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  1. 01-04.5 LB7 Duramax Powertrain
    Why does my 04' lb7 have a pcv valve when its already got a breather tube? It appears to be leaking oil out the crimp and I'm wondering do I really need it, or can I just remove it and plug the hole. Also, it is threaded into the "oil separator". What the hell is an oil separator?
  2. 07.5-10 LMM Performance Parts Discussion
    I finally got around to completing my PCV re-route. It took me a while to get the time to set down and work on it, but It's done and off my list now. Move on to the next item. :mad: :D It turned out really nice. I'm happy with it. I want to say thanks to the SteveO (member name: Leros). I...