There are two vacuum pipes that run to the pcv valve, one at the side of the top of the manifold and one from the very back of the manifold. The pcv valve it simply pops straight out.Locate the PCV valve of your Lincoln navigator Car on the top of the intake manifold under your air cleaner. The end of the PCV valve plugs into the top of the intake manifold and has two vacuum hoses attached to it.Disconnect the two vacuum hoses that are attached to the PCV valve.Unplug the PCV valve from the intake manifold by pulling it straight out of the manifold.If its stuck up hard,pull it with bit of force.Reinsert new valve in same procedure and connect the 2 vacuum tubes as it were connected before.--------------This will help.Thanks.Helpmech.
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There are two vacuum pipes that run to the pcv valve, one at the side of the top of the manifold and one from the very back of the manifold. The pcv valve it simply pops straight out.Locate the PCV valve of your Lincoln navigator Car on the top of the intake manifold under your air cleaner. The end of the PCV valve plugs into the top of the intake manifold and has two vacuum hoses attached to it.Disconnect the two vacuum hoses that are attached to the PCV valve. Unplug the PCV valve from the intake manifold by pulling it straight out of the manifold.If its stuck up hard,pull it with bit of force.Reinsert new valve in same procedure and connect the 2 vacuum tubes as it were connected before. -------------- This will help.Thanks.Helpmech.