Crankcases and PCV Valves
Mercury Grand Marquis
Toyota SR5

Where is the pcv valve on a 1986 Grand Marquis?

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2008-08-04 19:03:38
2008-08-04 19:03:38

if not on the valve cover, then this engine will be one of the newer 5.0 engines with an intake manifold similar to that of a mustang. the pcv valve will be located on the backside of the intake manifold near the firewall, you will have to feel for it.

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