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GMC Workshop Service and Repair Manuals

PCV Valve Hose|Service and Repair|Page 7429 > < Exhaust Gas Recirculation Coolant Hoses/Pipes Replacement (LLY, LBZ)|Page 7424
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PCV Valve Hose: Service and Repair

Crankcase Ventilation Hoses/Pipes Replacement

Removal Procedure

1. Remove the engine cover. 
2. Remove the positive crankcase ventilation (PCV) tube from the intake manifold and valve rocker arm cover.

3. Remove the vent hose from the throttle body and the valve rocker arm cover.
4. Replace the hose/tube as necessary.

Installation Procedure

PCV Valve Hose|Service and Repair|Page 7429 > < Exhaust Gas Recirculation Coolant Hoses/Pipes Replacement (LLY, LBZ)|Page 7424