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Positive Crankcase Ventilation: Service and Repair

Positive Crankcase Ventilation (PCV) Valve Replacement (LS6 Engine)

Removal Procedure





1. Remove the Positive Crankcase Ventilation (PCV) valve hose (1) from the intake manifold.
2. Remove the Positive Crankcase Ventilation (PCV) valve hose (1) from the valley cover.
3. Remove the PCV valve from the valve hose.

Installation Procedure
1. Install the PCV valve to the valve hose.





2. Install the PCV votive hose (1) to the valley cover.
3. Install the PCV valve hose (1) to the intake manifold.
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