Fuel Injector and Fuel Rail Replacement

Fuel Injector and Fuel Rail Replacement

Removal Procedure
Warning: Refer to Gasoline/Gasoline Vapors Warning (Service Precautions).




1. Remove the upper intake manifold. Refer to Upper Intake Manifold Replacement (LY7) (Service and Repair)Upper Intake Manifold Replacement (LCS) (Service and Repair).
2. Disconnect the fuel feed line quick connect fitting (2) from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service).
Warning: Refer to Safety Glasses and Compressed Air Warning (Safety Glasses and Compressed Air Warning).
3. Use compressed air in order to remove any debris from the around the area where the fuel injectors enter the lower intake manifold.




4. Remove the fuel rail bolts.

Caution:
* Remove the fuel rail assembly carefully in order to prevent damage to the injector electrical connector terminals and the injector spray tips. Support the fuel rail after the fuel rail is removed in order to avoid damaging the fuel rail components.
* Cap the fittings and plug the holes when servicing the fuel system in order to prevent dirt and other contaminants from entering open pipes and passages.

5. Remove the fuel rail with fuel injectors from the lower intake manifold.
6. Disengage the fuel injector electrical connector lock.
7. Disconnect the fuel injector electrical connector.




8. Remove the fuel injector retainer clip.




9. Remove the fuel injector.
10. Remove and discard the fuel injector seals.

Installation Procedure




1. Install NEW fuel injector seals.
2. Install the fuel injector.




3. Install the fuel injector retainer clip.
4. Install the fuel injector electrical connector.
5. Engage the fuel injector electrical connector lock.




6. Install the fuel rail with fuel injectors to the lower intake manifold.

Caution: Refer to Fastener Caution (Fastener Caution).

7. Install the fuel rail bolts. Tighten the bolts to 10 Nm (89 lb in).




8. Connect the fuel feed line quick connect fitting (2) to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service).
9. Install the upper intake manifold. Refer to Upper Intake Manifold Replacement (LY7) (Service and Repair)Upper Intake Manifold Replacement (LCS) (Service and Repair).