Rail, Fuel: Installation: 6.4L
CAUTION:
The left and right fuel rails are replaced as an assembly. Do not attempt to separate fuel rail halves at connector tube. Due to design of the connector tube, it does not use any clamps. Never attempt to install a clamping device of any kind to the connector tube. When removing fuel rail assembly for any reason, be careful not to bend or kink the connector tube.
- Inspect the fuel injector O-rings and replace if necessary.
- If removed, install the fuel injectors and safety clips (2).
- Clean out the fuel injector machined bores in the intake manifold.
- Apply a small amount of engine oil to each fuel injector O-ring (3).
- Position fuel rail/fuel injector assembly (1) into the machined fuel injector bores of the intake manifold.
- Guide each injector into the intake manifold using care not to tear the fuel injector O-ring seal.
- Push the right fuel rail down until the fuel injectors have bottomed on shoulders.
- Push the left fuel rail down until the fuel injectors have bottomed on shoulders.
- Install the four fuel rail retaining bolts (2) and tighten to the proper torque specifications. Refer to TORQUE SPECIFICATIONS .
- Connect the fuel line (1) to the fuel rail. Refer to FITTING, QUICK CONNECT, STANDARD PROCEDURE .
- Connect the left side fuel injector wire harness connectors (2).
- Connect the EVAP vacuum line (3).
- Connect the PCV hose (1).
- Connect the right side fuel injector wire harness connectors (3).
- Install the engine covers (1).
- Connect the negative battery cable.
- Start the engine and check for leaks.
