gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Relays and Modules - Emission Control Systems > < Positive Crankcase Ventilation Valve|Locations|Page 4897
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1.2.

Lubricate the seal with clean engine oil.

1.3.

Install the PCV valve cover in the upper intake manifold.

1.4.

Turn and lock the PCV valve cover in position.

2. Connect the PCV valve hose assembly to the valve rocker arm cover.
3. Connect the PCV valve hose assembly to the intake manifold.

Relays and Modules - Emission Control Systems > < Positive Crankcase Ventilation Valve|Locations|Page 4897