Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2011 >> Tribute 2WD L4-2.5L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Positive Crankcase Ventilation >> Positive Crankcase Ventilation Valve >> Service and Repair
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 Valve: Service and Repair




POSITIVE CRANKCASE VENTILATION (PCV) VALVE REMOVAL/INSTALLATION - 3.0L









1. Disconnect the PCV valve electrical connector.

2. Release the clamp and disconnect the crankcase ventilation tube from the PCV valve.

3. Rotate the PCV valve counterclockwise and remove it 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.
NOTE:To install, apply clean engine oil to the O-ring seal.
NOTE:When installing, make sure the PCV valve electrical connector is pointing in the correct position to allow the wiring harness to be connected. Incorrect installation would require removal and replacement of the valve.
4. To install, reverse the removal procedure.

- Install a new PCV valve.

pro multis · About Operation CHARM