Crankcase Ventilation System Inspection/Diagnosis. Chevrolet Caprice WM 2008

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2008 🢒 Caprice WM 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Crankcase Ventilation System Inspection/Diagnosis

Concern

Action

External oil leak.

Inspect for any of the following conditions:

•	Plugged positive crankcase ventilation (PCV).

•	Plugged or kinked PCV hose(s).

•	Damaged or incorrectly installed PCV or hose(s).

•	Above acceptable crankcase pressure.

Rough Idle.

Inspect for any of the following conditions:

•	Plugged PCV.

•	Plugged or kinked PCV hose(s).

•	Leaking (damaged) PCV or hose(s).

Stalling or slow idle speed.

Inspect for any of the following conditions:

•	Plugged PCV.

•	Plugged or kinked PCV hose(s).

•	Leaking (damaged) PCV or hose(s).

High idle speed.

Inspect for a leaking (damaged) PCV or hose(s).

Sludge in the engine.

Inspect for any of the following conditions:

•	Plugged PCV.

•	Plugged or kinked PCV hose(s).