buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Fuel Hose/Pipes Replacement - Engine Compartment|Page 3146 > < Fuel Hose/Pipes Replacement - Engine Compartment
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1. Lubricate the new O-ring with clean engine oil, then connect the O-ring and the engine fuel return pipe to the fuel pressure regulator.

2. Lubricate the new O-ring with clean engine oil, then connect the O-ring and the engine fuel feed pipe to the fuel rail.

NOTE:  Refer to Fastener Notice in Service Precautions.

Tighten the engine fuel pipe fittings to 17 N.m (13 lb ft).

3. Reinstall the upper intake manifold assembly.
4. Connect the quick-connect fittings in the engine compartment.
5. Tighten the fuel fill cap.
6. Inspect for fuel leaks with the following procedure:

1. Turn ON the ignition for 2 seconds.
2. Turn OFF the ignition for 10 seconds.
3. Turn ON the ignition.
4. Inspect for fuel leaks.

Fuel Hose/Pipes Replacement - Engine Compartment|Page 3146 > < Fuel Hose/Pipes Replacement - Engine Compartment