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Positive Crankcase Ventilation Valve: Testing and Inspection




POSITIVE CRANKCASE VENTILATION (PCV) VALVE INSPECTION [MZR 1.5]

1. Disconnect the negative battery cable. Removal and Replacement

2. Remove the fresh-air duct and the air cleaner as a single unit. Service and Repair

3. Remove the intake manifold and the fuel distributor component as a single unit. Service and Repair

4. Disconnect the PCV hose from the PCV valve.

5. Remove the oil level gauge pipe. (See Service and Repair.)

6. Remove the PCV valve and the oil separator as a single unit.

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






- If there is airflow, replace the PCV valve and the oil separator as a single unit. Service and Repair

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

- If there is no airflow, replace the PCV valve and the oil separator as a single unit. Service and Repair