Envoy 2WD L6-4.2L (2008)
PCV Valve Hose: Service and Repair
Positive Crankcase Ventilation Hose/Pipe/Tube Replacement
Removal Procedure
1. Disconnect the crankcase dirty air hose from the intake manifold.
2. Disconnect the crankcase dirty air hose from the positive crankcase ventilation (PCV) orifice tube.
3. Loosen the throttle body clamps (2).
4. Disconnect the fuel pressure regulator vacuum supply hose from the air cleaner outlet resonator.
5. Remove the 2 resonator to engine bolts (4) from the air cleaner outlet resonator (5).
