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where is the PCV valve located ?

This is a discussion on where is the PCV valve located ? within the External Engine forums, part of the LSx Technical Help Section category; bought one (purolator) wheres the old one located at ?...

  1. #1
    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    where is the PCV valve located ?

    bought one (purolator) wheres the old one located at ?
    Last edited by Speedy_Gonzales; 10-07-2007 at 07:48 PM.

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    Mine was on the line running from the headcover vent into the intake.

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    old timer blue02Z's Avatar
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    yup. mine i replaced mine with a puralator today as well. it is on the right side of the engine inline in a tube that goes into the side of the intake. you gotta pull off some hoses then grab it with a pair of needle noses to pull the pcv valve out

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    If all that isn't clear enough; it's the on the passenger side right behind the throttle body. There will be a heat sink strap (large wire) attached to it. BTW, this is where some people connect a catch can hook-up. Let me take a picture and I'll post it up in the next message.

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    Here's what you are looking for:


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    Yo Da Lin The Valley..... astyles's Avatar
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    Quote Originally Posted by 01Z28M6 View Post
    Here's what you are looking for:

    Click for full size
    good pic! thats a hard one to explain

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    Ebaaaaaaaaa Speedy_Gonzales's Avatar
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    Quote Originally Posted by 01Z28M6 View Post
    Here's what you are looking for:

    Click for full size

    thanks for the pic

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    My pleasure.

    Because the valve is such a simple component, it usually only requires cleaning with a distillate solvent. That's what I did. If it rattles, it's good - if it doesn't then washing it out usually restores it. They're very cheap, but replacement isn't a bad thing either.

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    old timer blue02Z's Avatar
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    i know my explanation was prolly as clear as mud


    good backup with the pic

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    Quote Originally Posted by 01Z28M6 View Post
    Here's what you are looking for:

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    Nice work
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    Noob question but what exactly is the deal with the PCV? Whats it do that I hear about it almost every day im on here?

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    Quote Originally Posted by Heartbreak1 View Post
    Noob question but what exactly is the deal with the PCV? Whats it do that I hear about it almost every day im on here?
    It allows the excess pressure/gases in the crankcase to be fed back through the intake and burned which makes the vehicle more environmentally friendly.

    The downside is that you do not want oil getting into your intake.

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