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Discussion Starter #1
IMG_20180612_161507.jpg Anyone have an idea of the part number for this PCV breather? The breather is on the back of the cover, not on top like normally. 03 cord 2.7. Service manual shows nothing. Or could it be an O ring that just needs to be replaced. I have not removed it to take a look until I find out more. The hose looks like it fine to me.

Thoughts?
 

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Woober Goobers!
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Do you have a picture from further back showing the entire routing of that hose? That's the back of the drivers side valve cover in your pictures?
 

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Discussion Starter #3
engine.jpg

IMG_20180612_161230.jpg The yellow arrow points toward that area where it is located. The yellow J is where the hose is routed. Let me know if you need more pics. Even the shop near me cant find it
 

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Woober Goobers!
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It's one of the hoses for the the PCV system. That section you're talking about is going from the back of the valve cover to the Heat Exchanger. That Heat Exchanger was added to 2002 later cars to reduce the condensation/moisture in the PCV system and cut down on sludge. You can't buy that hose by itself...you'd have to buy the entire Heat Exchanger Assembly with the hoses. I think that's around $200+. The original setup that went to the top of the valve cover didn't use that type/size hose.

Here's the Heat Exchanger:

04663792AF 1 EER HOSE, Cylinder Head To Intake
Manifold PCV

You could probably be able to use a section of the 3.2/3.5 original PCV hose that didn't have the heat exchanger. Later 3.x engines had the same heat exchanger setup you do on your 2.7L. Part number on that hose is:

04663961 1 EGC, EGG HOSE, Cylinder Head To Intake
Manifold PCV

That's under $10.
 

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The PCV valve is up on top.
If you follow that hose from the arrow up to the top, back of the plenum.
Keep going past that white sticker on the metal tube.
The metal tube goes into another short hose which then goes over the PCV valve.
The valve screws into the plenum and the hose will come off but you have to be careful.
If the hose is old and brittle (like most are), it will crack very easily when you attempt to pry it off of the PCV valve.
 

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Discussion Starter #6
#2.jpg I had 3 sets of eyes look at it and the leak seems to be coming from the piece the hose is hooked on too on the back of the valve cover not the hose. Do you think there is a O ring or seal if I unscrew the piece off? Or should I get the hose and then remove the piece just to see whats in it? I just do not want the hose to crack if i am inspecting after unscrewing.
 

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I know when replacing the PCV on one of my 3.5L cars the hose was super hard and brittle. I destroyed it trying to get it off. It might be worth it to order that hose I referred to above to have ready.

Seems like the fitting would have an o-ring under it. Won't know until you remove it. On the 3.2/3.5 that fitting is metal and pressed into the metal part on the back of the head. Don't know on the 2.7L. Maybe Terry would know more about that?
 

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Discussion Starter #8
Ronbo,

Thanks for your help. I will find the hose and attempt to remove the hex screw and see whats there.

If any one else has ever removed this and knows more please feel free to reach out to me.

Thanks again and I will keep you posted.
 
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