buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

PCV Valve Hose|Service and Repair|Page 10066 > < Evaporative Emission (EVAP) Hoses/Pipes Replacement - Canister/Fuel Tank (TrailBlazer, Envoy, Rainier)|Page 10061
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PCV Valve Hose: Service and Repair

Crankcase Ventilation Hoses/Pipes 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).

PCV Valve Hose|Service and Repair|Page 10066 > < Evaporative Emission (EVAP) Hoses/Pipes Replacement - Canister/Fuel Tank (TrailBlazer, Envoy, Rainier)|Page 10061