Crankcase Ventilation System Inspection/Diagnosis. GMC Truck Sonoma Pickup

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2001 🢒 Sonoma Pickup - 2WD 🢒 Engine 🢒 Engine Mechanical - 2.2L 🢒 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. Refer to Valve Rocker Arm Cover Replacement in Engine Mechanical.