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Fuel Delivery and Air Induction > < Positive Crankcase Ventilation|Description and Operation|Page 4035

Envoy 4WD V8-5.3L VIN M (2005)

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1. Install the PCV fresh air hose (2) to the valve rocker arm cover (1).
2. Install the air cleaner resonator outlet duct. 

3. Install the PCV foul air hose to the intake manifold and valve rocker arm cover.

Fuel Delivery and Air Induction > < Positive Crankcase Ventilation|Description and Operation|Page 4035