Replacing the PCV Valve
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This is a discussion on Replacing the PCV Valve within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; So i've decided that i'm goin to replace my pcv valve while i'm doing my 30k maintenance. I've searched and ...

  1. #1
    Registered User subieracer18's Avatar
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    Replacing the PCV Valve

    So i've decided that i'm goin to replace my pcv valve while i'm doing my 30k maintenance.
    I've searched and haven't really found any help. One person said the pcv valve is under the intercooler. So I have to take the ic off and it should be right below the throttle body... right?
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    Yup, it should be right around there. From the looks of it in the service manual it's a bit towards the turbo outlet.

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    Registered User AjIsDope's Avatar
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    03 Cobra
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  5. #4
    Registered User subieracer18's Avatar
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    The link above is for my02 n/a models.
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  6. #5
    Registered User yo vanilla's Avatar
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    this is a pretty cake job, i'll walk you through it.

    -remove bov from intercooler (2 bolts)
    -remove intercooler (1 bolt on either side and a big hose clamp)

    you should now see the pcv valve sticking out of the intake manifold. there's a bunch of hoses in the way. some of these i had to detach, some i could just bend out of the way.

    iirc a 3/4" wrench is what you'll need. it's angled downward so i couldn't get a ratchet on it. also, it was easier to remove standing on the drivers side. be patient.

    replace everything and you're done. wasn't that easy? it was a pain getting the intercooler hoses back on, be careful but push real hard.
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    Registered User subieracer18's Avatar
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    thnx vanilla. I take it you just did your 30k maintenance?
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    I have an 03 wrx. Not sure what year you have, but I've heard the PCV is different for different year models. Anyways, here's my 30K DIY write up w/pics. It's in there somewhere.

    http://www.wrxfanatics.com/index.php?showtopic=18722
    -Jay

  9. #8
    Registered User AjIsDope's Avatar
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    Quote Originally Posted by subieracer18
    The link above is for my02 n/a models.
    It is basically the same. The pcv is in the same location.

  10. #9
    Registered User yo vanilla's Avatar
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    yeah, i did everything, and i'm about to change the spark plugs and trans/diff fluids again (i change those fluids every year regardless, and i used copper plugs last time so i want to switch them out
    07 WRX TR | 03 mazda6
    man a whole mess of nachos sounds good right now
    ***Hawk-Eye Alliance #95*** Kachow!!

  11. #10
    Registered User subieracer18's Avatar
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    is it necessary to buy new tranny bolt gaskets?
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  12. #11
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    is it necessary to buy new tranny bolt gaskets?
    I would. I wouldn't risk it. If you don't get a new one, the old one may leak. They are cheap and you can get them at your local dealer.
    -Jay

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