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 through the valve. Petroleum substances inside the valve are harmful.





- Blow air into the air intake chamber 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