Positive Crankcase Ventilation Valve: Testing and Inspection

POSITIVE CRANKCASE VENTILATION (PCV) VALVE INSPECTION [L3 WITH TC]

1. Remove the intake manifold. (See Service and Repair)

2. Remove the PCV valve and the oil separator as a single unit. (See Service and Repair)

3. Verify that there is no airflow when pressure is applied to port A.






- If there is airflow, replace the PCV valve. (See Service and Repair)

4. Verify that there is airflow when vacuum is applied to port A.

- If there is airflow, replace the PCV valve. (See Service and Repair)