Positive Crankcase Ventilation: Testing and Inspection

Crankcase Ventilation System Inspection/Diagnosis

Results of Incorrect Operation

- A plugged oil/air separator or hose may cause:
- Oil leaks due to high crankcase pressure.
- Sludge in engine due to inadequate scavenging of crankcase vapors.
- A leaking oil/air separator or hose could cause oil leaks from separator or hose.

Inspection

Periodically, inspect the entire system and replace any parts showing signs of deterioration.