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Old 06-30-2005, 03:15 PM   #1
Propaganda
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Default Where is PCV valve on 2002 WRX?

Where is PCV valve on 2002 WRX? I'm trying to do the Seafoam treatment, but I can't seem to locate it its on the intake manifold? If anyone has pictures that would be greatly appreciated! Thanks
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Old 06-30-2005, 03:35 PM   #2
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Old 06-30-2005, 04:17 PM   #3
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I think it's hiding underneath the IC.
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Old 06-30-2005, 04:45 PM   #4
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You have to take off the intercooler, and it will be underneath the throttle-body.

It's a good idea to disconnect the hose going to the blow-off (bypass?) valve. Bend it it underneath that smaller hose (towards the passenger side). I've found that is the easiest way to get to it. The hardest part was trying to get the intercooler back on. Huge pain!

By the way,
what's the seafoam treatment?
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Old 06-30-2005, 04:51 PM   #5
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it removes deposits through the use of vaporization. You put it in your PCV, oil, and gas. Nobody really knows if it works or not, but the big white clouds of smoke is entertaining. And it's only like $5, and it takes forever to use it all up.
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Old 06-30-2005, 09:36 PM   #6
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Dont use the PCV as it's a PITA to get to. Take the vacuum hose off of your brake booster (AKA master cylinder) on the drivers side rear of the engine compartment and use that. I've done it many times to many Subarus and it works well.

<------Sea Foams to be an asshat as opposed to it's "cleaning properties"
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Old 07-01-2005, 01:40 AM   #7
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Wouldn't the vacuum line on the BOV also work? I figured that would be a lot easier to get to.
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Old 07-01-2005, 02:15 AM   #8
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the only hard part is getting the intercooler back on. that plastic doesnt give. but its not too hard. its a 19mm, just do it!
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Old 07-01-2005, 02:46 PM   #9
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Thanks for the replies! I used the vacuum line on the BOV although I have a 100% vent the top part of the BOV still worked /shrug. Did the seafoam treatment and MAN was there lots of smoke. I might just be a mental thing but I think it works. For those who don't know what Seafoam is should use search comes up with tons of topics about it! But a short breakdown is it cleans up carbon build up from cars running to rich IE. SUBARUS
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