Positive Crankcase Ventilation: Testing and Inspection

Fig. 4 PCV System Inspection Points:

Fig. 9 PCV Orifices:

1. Check all hoses, gaskets and seals for deterioration, obstructions, wear or damage. Ensure all hoses fit tightly. Fig. 5
2. Check inlet orifices on throttle valve housing, Fig. 8. Clean with solvent and blow out with compressed air.