LaCrosse V8-5.3L (2008)
PCV Valve Hose: Service and Repair
Positive Crankcase Ventilation Hose/Pipe/Tube Replacement
Removal Procedure
1. Remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement (See: Engine, Cooling and Exhaust/Engine/Intake
Manifold/Service and Repair).
2. If removing the positive crankcase ventilation (PCV) clean air tube perform the following:
1. Remove the PCV clean air tube from the air intake duct.
2. Remove the PCV clean air tube from the rocker arm cover.
3. Remove the PCV clean air tube.
3. If removing the PCV foul air tube perform the following:
1. Remove the PCV foul air tube from the intake manifold.
2. Remove the PCV foul air tube from the rocker arm cover.
3. Remove the PCV foul air tube.
Installation Procedure