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Crankcases and PCV Valves
Mercury Mountaineer
Mercury Villager

Where is the pcv valve on a Mercury Villager and how do you get it out?

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2009-10-14 19:29:21
2009-10-14 19:29:21
PCV Valve!

The PCV Valve is located right beside the EGR valve (located in behind but attached to the intake manifold) and has a thick black tube connected to it, when that tube is removed, it will expose the PCV valve from there, you will have to unscrew it and replace it, then re connect the hose and start it up! Trust me it sounds a lot easier than it really is! It takes almost 90 mins to reinstall! I am not sure it will work on all Villagers!



On a 2000 Villager, the PCV valve is pressed into a rubber grommet on a 90 degree tube extension from the rear valve cover, which is then connected by a black hose to a nipple extension on the upper rear intake manifold. The way to remove it is to unbolt the bracket attached to the intake manifold holding the accelerator cable, using 'right angled' pliers to open, then push the hose clamp back from the end of the hose attached to the intake manifold, then using the angled end of a brake shoe adjusting tool to push off the hose from the nipple on the rear upper intake manifold, being careful not to break off this nipple (the upper intake manifold is molded plastic and the nipple is part of the manifold). Once this end of the hose is loose, then the PCV valve with the hose attached can be pulled out of the grommet from the valve cover end.

It helps to place a little silicone grease onto the manifold end of the hose and the base of the PCV valve that slides into the grommet for ease of future removal. Replace the hose clamp, replace the accelerator cable bracket, and you're ready to go. Make sure you do this with the engine cold, because there isn't a lot of room in the back of the engine. It took about 10-15 minutes to do it this way.
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