Could someone explain what this tube is for??? - Page 2 - Ford Focus Forum, Ford Focus ST Forum
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Old 04-17-2013, 01:03 AM   #11
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I did this to mine.

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Old 04-17-2013, 04:22 AM   #12
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that works. all it does is mount in to the bottom of the air box and there's a spongey filter above it.
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Old 05-01-2013, 08:38 PM   #13
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Looks like this thread is close to what I am looking for.
I see in these pics that the pcv tube dives down toward the intake. I know it should connect to the manifold but where and how?
Mine was bought with a junk yard motor that dropped valve seats in all four cylinders due to nit cleaning the plenum. I have rebuilt it with a new bulletproof head but cannot figure out where this goes. HELP.

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Old 05-02-2013, 12:40 AM   #14
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I finally replaced this part. Went to Ford and they were able to identify it as Engine Crankcase Breather Hose. The part number is 6C663 for those who want to order it from Ford. Installation was a breeze. It doesn t come with the sponge filter, so that would have to be ordered separately, if the existing one crumbles like mine did.
The hose snaps in place and you don t need to open the airbox, unless you want to clean up and replace the sponge filter. Mine was kind of messy inside, so i kind of cleaned the bottom of my airbox.
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