Low Pressure

REMOVAL
1. Raise vehicle on hoist.
2. Perform Pre-Service procedures. Service and Repair
3. Remove fuel pressure regulator shield. Disconnect fuel line from fuel pressure regulator.
4. Remove LH dual catalytic converter.
5. Lower vehicle and disconnect fuel line from fuel supply manifold assembly.
6. Raise vehicle.
7. Remove fuel line assembly with retainers from LH frame rail.
8. Disconnect fuel line from retainers.

INSTALLATION
1. Follow removal procedure in reverse order.

CAUTION: Replace O-ring seal in the fittings. Lubricate O-ring seals with clean engine oil meeting Ford specification WSS-M2C153-F.

NOTE: Make sure all O-ring sealing surfaces are clean.

NOTE: Natural gas O-rings are identified with a yellow stripe. Do not use unapproved O-rings.

2. Tighten O-ring fittings using a backup wrench to 34-39 Nm (25-28 lb ft).
3. Pressurize fuel system as described in Post-Service procedures. Service and Repair
4. Test for leaks.