Positive Crankcase Ventilation: Testing and Inspection

INSPECTION

1. REMOVE V-BANK COVER
2. INSPECTION VALVE
a. Remove the PCV valve.
1. Disconnect the PCV hose from the PCV valve.
2. Remove the PCV valve cover and valve.

b. Install a clean hose to the PCV valve.
c. Inspect the PCV valve operation.




1. 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.




2. Blow air into the intake manifold side, and check that air passes through with difficulty.
If operation is not as specified, replace the PCV valve.

d. Remove the clean hose from the PCV valve.




e. Reinstall the PCV valve.
1. Install the PCV with the port faces in the direction indicated in the illustration.
2. Install the PCV valve cover to the PCV valve.
3. Connect the PCV hose to the PCV hose.




3. INSPECT HOSES, CONNECTIONS AND GASKETS
Visually check for cracks, leaks or damage.

4. REINSTALL V-BANK COVER