Operation CHARM: Car repair manuals for everyone.

Positive Crankcase Ventilation: Testing and Inspection

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.