Fuel Injector: Service and Repair

Removal Procedure

Tools Required

^ Injector Remover J 41081, Injector Remover

1. Remove rear seat cushion.
2. Remove the negative battery cable.
3. Relieve the fuel system pressure. Refer to Fuel Pressure Release.
4. Remove the injector electrical connector.

Fuel Rail:

Injector Components:

5. Release the fuel rail to intake manifold locking tab (8) by pushing toward center of intake manifold.





6. Pry the injector up out of intake manifold using J 41081 between the bottom of injector and intake manifold.

Injector Components:

7. Spread the injector retainer clip (3) to release injector from fuel rail.

Notice: It may be necessary to release the adjacent injector(s) from the intake manifold to allow increased fuel rail movement for injector access.

Injector ID:

Important: When replacing a fuel injector, it may be necessary to have the following identification information. The fuel injector assembly contains the part number identification (2), the build date code (3), the month (4)1-9 (Jan-Sept) 0, N, D (Oct, Nov, Dec), the day (5), and the year (6).

8. Remove the fuel injector assembly.

Installation Procedure

1. Lubricate the new upper and lower injector 0-rings with clean engine oil and install on injector.
2. Install the new retainer clip onto injector.
3. Install the fuel injector into fuel rail.
4. Push the fuel injector in far enough to engage retainer clip with machined slots on rail socket.
5. Push the fuel rail down onto the intake manifold until the locks latch.
6. Install the injector electrical connector.
7. Tighten the fuel filler cap.
8. Install the negative battery cable.
9. Inspect for fuel leaks

9.1. Turn ignition switch to On position for 2 seconds.
9.2. Turn the ignition switch OFF for 10 seconds.
9.3. Turn the ignition switch ON.
9.4. Check for fuel leaks.

10. Install the rear seat cushion.

Intake Manifold Top Cover:

11. Install the intake manifold top cover.