Where is pcv valve located on a 2008 ford escape v6 3.0 liter eng.. Thanks ted

Since most Ford 3.0L Duratec engines are similar, this write-up should help you locate and change the PCV Valve:


How to Change PCV Valve on 2000 Ford Taurus, with 3.0L Duratec Engine


1. Disconnect battery cables (negative first).


2. Disconnect MAF Sensor connector.


3. Remove air filter.


4. Disconnect hoses (3) going to air intake.


5. Remove air intake.


6. Remove throttle cover (2 Christmas tree pins).


7. Remove both 8mm bolts securing throttle bracket to throttle body.


8. Remove throttle spring.


9. Unhook electrical wire bundle from throttle body stud.


10. Remove Emission Separator “L” from bottom of UIM.


11. Remove Emission Separator tube from PCV Valve.


12. Here's the trick: Remove PCV Valve, using a 7/8” deep socket (12 pt.) and a 12” extension bar, by rotating it 180 degrees counter-clockwise.


13. Install new PCV Valve (Motorcraft EV-243), by rotating it 180 degrees clockwise to fully seat it, after coating O-ring with clean engine oil.


14. Attach new Emission Separator (Motorcraft KCV-116) and button everything up.


The local Ford dealer wanted $350 to replace the PCV Valve—3 hours of labor to remove the upper intake manifold, fuel rail, and lower intake manifold, plus parts. Many people do it that way. This is a much simpler, faster (1 hour), and cheaper procedure (no need to replace UIM/LIM gaskets). I know the above procedure works, since I have used it. Changing the PCV Valve becomes a big deal on Duratec engines, since it's located under the fuel injection system--deep inside the "V" of the engine. Access is further obstructed by a radiator hose and a large square-wire bundle.


Only use Motorcraft EV-243 or AutoZone's PCV1001 PCV valves, since none of the others listed online with various auto parts stores will work. Likewise, only use the Motorcraft KCV-116 Emission Separator. Don't make the mistake and buy the Motorcraft KCV-117 Emission Separator, even though the Motorcraft online catalog lists it as the correct one--it clearly won't work. Bottom Line: Buy the parts first, in order to gain insight on how everything works.

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I would advise you to buy a Motorcraft PCV Valve and Emission Separator (connector, hose, and elbow running from the PCV Valve to the UIM). This is an important procedure to perform, since it often affects idle rpm and performance. If the PCV Valve does not fully seal, it can allow too much "metered" air, allowing the engine to idle too fast and surge. This can cause sudden downshifts, when you are coming to a stop. Replacing the Emission Separator is important, since oil causes these components to deteriorate and leak air. I advise you to only use full synthetic engine oil, since they have higher NOACK volatility ratings and evaporate less than conventional oils. This greatly reduces the build-up of crud in the emissions control system.