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Discussion Starter #1
I know where its at...as far as changing is it as easy as I think. Pull the elbow off valve and tube then pull out and install pcv valve then shove the new elbow on both?

01 ZTS Zetec DOHC
 

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Yes it is that simple.... Just an FYI, A lot of times you can avoid having to by a new one simply by cleaning your existing one. Remove the PCV valve and elbow and clean/soak them with carb/throttle body cleaner then rinse with hot soapy water. You should be able to shake it and hear the ball/plug rattling inside the valve.
 

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Discussion Starter #3
Yes it is that simple.... Just an FYI, A lot of times you can avoid having to by a new one simply by cleaning your existing one. Remove the PCV valve and elbow and clean/soak them with carb/throttle body cleaner then rinse with hot soapy water. You should be able to shake it and hear the ball/plug rattling inside the valve.
Thanks. I learned from my 2nd gen Escort that cleaned usually won't past as long as new. Plus its cheap. Existing elbow looks extremely hard and brittle.

Off topic question. My escort had an known problem with thermostat housing bolts snapping off. Since my very minor leak is a near future fix does the DOHC have the same issue or did they use good bolts.
 

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The bolts are usually pretty good, it's the crappy housings that are the issue on these ones!
 

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Thanks for the info man. Had a hell of a disaster when mine broke on the scort.
I hear ya! It's never fun having to get out the stud puller/extractor, or even worse yet, the drill and tap. Not always much room in the engine bay to do that sort of operation.
 

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Discussion Starter #10
Got it swapped. Boy that was fun. I tried to pul on it and it was so hard and brittle it tore apart lol. Managed to slowly chip off the rubber piece by piece and got it changed. It helped my idle and especially power a lot.
 

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Make sure to check both hoses. Just replaced the rubber hose in the back of motor (it collapse) And the elbow it was dry rotted.
 

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Discussion Starter #12
Make sure to check both hoses. Just replaced the rubber hose in the back of motor (it collapse) And the elbow it was dry rotted.
I got two hoses with it the elbow for the pcv and a longer breather tube hose with silver heat wrap on it. I think it was from the valve cover to the air box
 

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On mine that long tube with the thermal wrap goes from the end of steel PCV tube to the back of the intake manifold. There should be a metal tube that goes the width of the cylinder head. That is the one that the PCV & elbow plug into. Then on the other end that wrapped tube continues onto the lower part of the intake manifold in the back.
 

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Discussion Starter #14
On mine that long tube with the thermal wrap goes from the end of steel PCV tube to the back of the intake manifold. There should be a metal tube that goes the width of the cylinder head. That is the one that the PCV & elbow plug into. Then on the other end that wrapped tube continues onto the lower part of the intake manifold in the back.
I see that. On break i went out and removed the airbox hose and compare. I will be able to get under it in a few days and take a look. I imagine it needs to be accessed from the bottom. Thanks for the tip!
 

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GhostTribute is right. But you will have better luck from underneath The hose going into the intake has a clamp on it.
 

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Discussion Starter #16
Probably one last question for a while...in regards to the thermostat housing is there an upgrade to the plastic one that is used on it such as metal or is it just the same old plastic one Ford has used for a long time? Everything I seem to find is old and outdated as far as the thread goes. Thanks guys.
 

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There is an aluminum replacement that they are selling, if I remember correctly it costs somewhere around $250-$300.

I remember reading an article stating that there is a certain range of years that the thermostat housing is better. If memory serves me correctly it is the 00-02 but I'm not 100%.
 

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Discussion Starter #18
Must not be the 01 lol maybe I'll get my quarter inch ratchet out and just see if any of the bolts are loose. Snug them up a little if they are.
 
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