Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Positive Crankcase Ventilation: Locations


PCV Valve:
















View 151-5 (Engine, Rear):






CAUTION: A new PCV valve must be installed if removed from the valve cover. Damage will occur to the locking mechanism on the removed PCV valve.

Rotate the PCV valve counterclockwise and remove the PCV valve from the valve cover.

To install, reverse the removal procedure.