Positive Crankcase Ventilation: Testing and Inspection

1. REMOVE PCV VALVE.
- Disconnect the PCV hose from the PCV valve.
- Remove the PCV valve.





2. INSTALL CLEAN HOSE TO PCV VALVE.
3. INSPECT PCV VALVE OPERATION.
- Blow air into the cylinder head side, and check that air passes through easily.

CAUTION:
- Do not suck air thorough the valve.
- Petroleum substances inside the valve are harmful.





- Blow air into the intake air connector side, and check that air passes through with difficulty.
- If operation is not as specified. replace the PCV valve.
4. REMOVE CLEAN HOSE FROM PCV VALVE.
5. REINSTALL PCV VALVE.