Fuel Rail - Installation

5.7L

1. If the fuel injectors are to be installed into the fuel rail Fuel Injector - Installation
2. Clean out the fuel injector machined holes in the intake manifold.

NOTE: If the same fuel injectors are to be reinstalled, install new O-rings.

3. Apply a small amount of engine oil to each fuel injector O-ring. This will help in the fuel rail installation.
4. Position the fuel rail assembly while aligning the injectors into the machined holes in the intake manifold.
5. Guide each injector into the intake manifold using care not to tear the injector O-rings.
6. Using a side to side motion, gently rock the left fuel rail while pushing down until all four left side fuel injectors have completely seated into the machined holes in the intake manifold.
7. Using a side to side motion, gently rock the right fuel rail while pushing down until all four right side fuel injectors have completely seated into the machined holes in the intake manifold.




8. Install the four fuel rail mounting bolts (4) and tighten to 11 Nm (8 ft. lbs.).
9. Connect the make up air hose (3).
10. Connect the fuel line quick connect fitting to the fuel rail (2) Service and Repair
11. Connect the PCV hose (1).





12. Connect the electrical connectors to all eight fuel injectors. Push the connector onto the injector (1) and then push and lock the red colored slider (2). Verify the connector is locked to the injector by lightly tugging on the connector.






NOTE: The front grommets (1,3) are a ball stud type mount and the rear grommets (2) are a sliding peg design.






13. Slightly tilt the rear of the engine cover and slide the rear engine cover pegs (2) into the grommets (1) on the rear of the intake manifold until the cover stops.






NOTE: While installing the engine cover, the front ball studs will make a popping or suction sound as the ball studs are inserted into the front grommets.

14. Lower the front of the engine cover (1) and line up the front ball studs with the grommets (2) on the front of the intake manifold and with a downward motion push the engine cover front grommets onto the ball studs.
15. Lightly lift the front of the engine cover to insure the front the front grommets are seated onto the ball studs correctly.





16. Check to insure the engine cover is installed properly by reaching behind the left side of the cover to verify that the pegs (2) are located in the grommets (1).





17. Install the clean air tube (2) onto the air cleaner housing (4) and the throttle body.
18. Connect the IAT sensor electrical connector (3).
19. Connect the negative battery cable.
20. Start the engine and check for leaks.