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Old 04-28-2012, 01:41 PM   #1 (permalink)
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Default PCV valve

I was wondering if it is necessary to replace the PCV valve yet. My 2002 3.0 litre 24 valve Taurus has just over 100,000 kilometers on it? Also, if it is necessary, must I remove the upper and lower intake manifold, as well as the fuel injection lines in order to get at the black box underneath that houses the PCV valve?
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Old 04-28-2012, 04:38 PM   #2 (permalink)
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I would think not. It doesn't make sense that Ford would engineer a car that would take hat much work just to change a pcv valve. I used to own a duratech in fact ,two of them, and it seems to me that it wasn't too difficult a job, not as easy as the vulcan, but nevertheless, not all that hard. Look it up in the Haynes manual if you have one or if not go down to aap and look it up. Good luck!
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Old 04-28-2012, 05:51 PM   #3 (permalink)
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Can't hurt on a 10 year old car. Duratec PCV is a PIA to change, but you should be able to replace it without removing the manifold. You might have to loosen some other stuff to get enough wiggle room. Make sure you replace the whole elbow and not just the PCV valve. The elbows collapse and crack often.
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Old 04-28-2012, 06:10 PM   #4 (permalink)
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Default Its no picnic but make a special tool fron a 3/4" PVC pipe

I spent weeks trying to FIND it on my Duratec. Review all the posts on here especially the ones with the pictures. Make a tool from PVC pipe to remove and insert the PCV valve hidden underneath the UIM. Get to it fron drivers side. New one at AutoZone for about $5.
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Old 04-28-2012, 07:05 PM   #5 (permalink)
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I did change mine on Duratec at 175k miles. This site was helpfull to provide ideas to get to the offending PCV.
At that milage, the old one was still moving free inside but... since I went to the trouble of removing it, I replace it anyway.

Suggestion: You will have to take off the Upper Intake Manifold when you will decide to change the spark plugs (rear bank ones) - so you might want to wait and replace the PCV at that time too...

Last edited by SoNic67; 04-29-2012 at 08:23 AM.
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Old 04-28-2012, 10:47 PM   #6 (permalink)
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You can use a ratchet, 7/8" socket and long extension to change the pcv valve and not remove anything. Member chartmaker has an excellent pic of this on the forum.
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Old 04-29-2012, 08:17 AM   #7 (permalink)
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Quote:
Originally Posted by machineop View Post
It doesn't make sense that Ford would engineer a car that would take that much work just to...
Careful about starting sentences that way.
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Old 04-29-2012, 07:15 PM   #8 (permalink)
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Quote:
Originally Posted by WJC View Post
Quote:
Originally Posted by machineop
It doesn't make sense that Ford would engineer a car that would take that much work just to...
Careful about starting sentences that way.
Yeah, there are GM designers who went to work for Ford and they're still being ferreted out.........
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