Removal & Installation
Observe all applicable safety precautions when working around fuel. Whenever servicing the fuel system, always work in a well ventilated area. Do not allow fuel spray or vapors to come in contact with a spark or open flame. Keep a dry chemical fire extinguisher near the work area. Always keep fuel in a container specifically designed for fuel storage; also, always properly seal fuel containers to avoid the possibility of fire or explosion.
- Disconnect the negative battery cable.
- Relieve the fuel system pressure, as outlined in this section.
- Remove the upper intake manifold. Refer to the Intake Manifold procedure in the Engine Mechanical Section.
- Disconnect the fuel tube-to-fuel rail quick connect coupling.
- Disconnect the 6 fuel injector electrical connectors.
- Remove the 4 fuel rail bolts.
- Remove the fuel rail and injectors as an assembly.
- Remove the 6 fuel injector clips and the 6 fuel injectors.
Remove and discard the 12 fuel injector O-ring seals.
Only use O-ring seals that are made of special fuel-resistant material. Using regular O-rings can cause the fuel system to leak. Do not reuse the O-ring seals.
The upper and lower O-ring seals are not interchangeable.
Install new fuel injector O-ring seals and lubricate them with clean engine oil.
- Install the 6 fuel injectors and the 6 fuel injector clips into the fuel rail.
- Install the fuel rail and fuel injectors as an assembly.
- Install the 4 fuel rail bolts. Tighten to 10 Nm (89 inch lbs.).
- Connect the 6 fuel injector electrical connectors.
- Connect the fuel tube-to-fuel rail quick connect coupling.
- Install the upper intake manifold.
- Connect the negative battery cable.