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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Positive Crankcase Ventilation: Service and Repair

POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM - 3.0L (4V) REMOVAL/INSTALLATION






1. Disconnect the positive crankcase ventilation (PCV) valve tube-to-PCV valve quick connect coupling. See QUICK RELEASE COUPLING - DOUBLE LOCKING.
2. Rotate the PCV valve counterclockwise and remove from the valve cover.
- Discard the PCV valve.

CAUTION: A new positive crankcase ventilation (PCV) valve must be installed if removed from the valve cover. Damage will occur to the locking mechanism on the PCV valve upon removal.

3. To install, reverse the removal procedure.