gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

PCV Valve Hose|Service and Repair|Page 4321 > < Evaporative Emission Line Replacement - Engine|Page 4316
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PCV Valve Hose: Service and Repair

Positive Crankcase Ventilation Hose/Pipe/Tube Replacement

Removal Procedure

1. Remove the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement   (See: Engine, Cooling and

Exhaust/Engine/Intake Manifold/Service and Repair).

2. Remove the positive crankcase ventilation (PCV) hose from the intake manifold fitting and left valve rocker arm cover, if required.

3. Remove the PCV tube (1) from the air cleaner outlet duct, if required.

PCV Valve Hose|Service and Repair|Page 4321 > < Evaporative Emission Line Replacement - Engine|Page 4316