Removal Procedure
- Remove the coolant overflow pipe.
 
- Relieve the fuel system pressure. Refer to 
Fuel Pressure Relief
 .
 
- Use a back up wrench on the fuel rail and disconnect the fuel supply pipe.
 
- Remove the fuel rail attaching studs.
 
Important: Use care when removing the fuel rail assembly in order to prevent damage to the fuel injectors electrical connector terminals and spray tips. 
- Remove the fuel rail using the following procedure:
 
| 5.1.  | Pull the fuel rail back and upward to remove the fuel injectors from the cylinder head ports. | 
 
| 5.2.  | Rotate the fuel rail in order to position the injectors downward. | 
 
| 5.3.  | Remove the fuel rail. | 
 
- Disconnect the fuel injector harness connectors.
 
- Remove the fuel injectors. Refer to 
Fuel Injector Replacement
 .
 
Installation Procedure
- Install the fuel injectors. Refer to 
Fuel Injector Replacement
 .
 
- Connect the fuel injector harness connectors. Pull back to insure the connectors are locked in place.
 
Important: Install new lower O-rings when reusing fuel injectors. Lubricate the injector tip O-rings prior to installing the injectors into the intake manifold.
- Install the fuel rail using the following procedure:
 
| 3.1.  | With the fuel injectors positioned downward, lower the fuel injectors into the cylinder head ports. | 
 
| 3.2.  | Align the injectors by rotating the fuel rail forward. | 
 
| 3.3.  | Carefully push the fuel injectors into the cylinder head ports. | 
 
Notice: Refer to Fastener Notice in the Preface section.
- Install the fuel rail attaching studs.
 
Tighten
Tighten the fuel rail studs to 10 N·m (89 lb in).
- Install the fuel supply pipe.
 
Tighten
Using a backup wrench on the fuel rail tighten the fuel supply pipe to 14 N·m (10 lb ft).
- Install the coolant overflow pipe. 
 
Tighten
Tighten the pipe bolt to 8 N·m (71 lb in).
- Connect the negative battery cable. Refer to 
Battery Negative Cable Disconnection and Connection
 .
 
- Inspect for fuel leaks using the following procedure:
 
| 8.1.  | Turn ON the ignition, with the engine OFF for 2 seconds. | 
 
| 8.2.  | Turn OFF the ignition for 10 seconds. | 
 
| 8.3.  | Turn ON the ignition. | 
 
| 8.4.  | Inspect for fuel leaks. |