Express 1/2 Ton Van AWD V8-5.3L VIN T (2003)
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 (1) from the intake manifold and valve rocker arm cover.
3. Remove the PCV valve (2) from the PCV tube (1).
4. Remove the vent hose from the throttle body and the valve rocker arm cover.
5. Replace the hose/tube as necessary.
Installation Procedure
