Fuel Rail

Fuel Rail





Removal

WARNING: Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

WARNING: Always disconnect the battery ground cable at the battery when working on an evaporative emission (EVAP) system or fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.

NOTICE: If used as a leverage device, the fuel rail may be damaged.

1. Remove the intake manifold. For additional information, refer to Engine - 4.0L SOHC Service and Repair.

2. Disconnect the fuel supply tube spring lock coupling. For additional information, refer to Fuel System - General Information Spring Lock Couplings.

3. Disconnect the 6 fuel injector electrical connectors.

4. Remove the 4 bolts and the fuel rail and fuel injectors as an assembly. Discard the bolts.
- To install, tighten to 23 Nm (17 lb-ft).

5. If necessary, remove the 4 fuel rail supply tube-to-fuel rail bolts and the fuel rail supply tube. Discard the O-ring seals.
- To install, tighten to 6 Nm (53 lb-in).

6. If necessary, remove the fuel injectors from the fuel rail.

7. NOTICE: Use O-ring seals that are made of special fuel-resistant material. The use of ordinary O-ring seals may cause the fuel system to leak.

NOTICE: Do not reuse O-ring seals. The reuse of O-ring seals may cause the fuel system to leak.

NOTE: Lubricate the new O-ring seals with clean engine oil.

NOTE: Use new fasteners to attach the fuel rail.

To install, reverse the removal procedure.