Positive Crankcase Ventilation Hose/Pipe/Tube Replacement for Chevrolet Caprice WM 2009

1. Remove the engine cover. Refer to Engine Cover Replacement.

Important: In the following service procedure, it maybe necessary to remove the evaporative emission (EVAP) valve assembly to gain access to the positive crankcase ventilation hose.

2. Remove the evaporative emission canister purge valve (5). Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement.
3. Remove the EVAP pipes (1) and (2).
4. Remove the EVAP pipe (3) from the air intake duct (6) and the valve cover.
5. Remove the hose (4) from the throttle body (7) and the engine valley cover.

1. Install the hose (4) from the throttle body (7) and the engine valley cover.
2. Install the EVAP pipe (3) from the air intake duct (6) and the valve cover.
3. Install the evaporative emission canister purge valve (5). Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement.
4. Install the EVAP pipes (1) and (2).
5. Install the engine cover. Refer to Engine Cover Replacement.