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Old 01-31-2012, 12:18 PM   #1
tcgielow
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PCV hose replacement 2006 2.0 Duratec Focus

Greetings, I just went through the pain of replacing my PCV hose. It is indeed behind the intake manifold. I was told by a local Ford mechanic that it is possible to remove it without taking off the manifold, by removing the TB. I did that, was able to get at the hose but could not get it off. So I bit the bullet and took off the manifold. However, I did not take it out of the car and did not remove the radiator fans (as suggested). Unbolting it allowed me enough extra room to get at the hose and replace. It was still not that easy, but it work.

I attempted to replace the PCV valve but could not get it to come out. So, afraid of breaking it off, I cleaned it out. I was told that these rarely go bad. My hose however had a big split in the back that would have never been visible unless removed.

The symptoms leading to this replacement were the following:
1. Check Engine light- code reported O2 Bank 1 too lean
2. Car rough idle
3. Car dying when slowing to a stop

With the new hose the car runs much better and idles nice and smooth.

Thought I would share this if someone is contemplating taking on this challenge. It took me about 3 hours but was worth the experience and savings of labor cost. The only gripe is the PCV hose has to be purchased from Ford and it is $47. Throw in $20 for a set of manifold gaskets and the total cost is around $70.

-Tom


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Old 01-31-2012, 06:20 PM   #2
whynotthinkwhynot
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Thanks, I was wondering if it could be done that way, and was planning on writing a How-To on it. I'd have added longer bolts or threaded inserts to replace a couple of bolts so you could slide the manifold out. It might be possible- with 3 long bolts- to replace the manifold gasket using this method. I'd also like to see how easy it would be to replace the thermostat- but that one will likely require a complete removal of the manifold.

Thanks for the info.
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