Diesel Data: Automotive Repair

Fuel Injector: Service and Repair




Injector Replacement

1. Relieve the fuel pressure Service and Repair.

2. Remove the engine cover.

3. Disconnect the connectors (A) from the injectors.





4. Remove the ground cable bolt (G101) (B).

5. Disconnect the quick-connect fitting (C).

6. Remove the fuel rail mounting nuts (D) from the fuel rail (E).

7. Remove the injector clips (F) from the injectors.

8. Remove the injectors from the fuel rail.

9. Coat the new O-rings (black) (A) with clean engine oil, and insert the injectors (B) into the fuel rail (C).





10. Install the injector clips (D).

11. Coat the new injector O-rings (E: brown, F: black) with clean engine oil.

12. Install the injectors in the injector base (G).

13. Install the fuel rail mounting nuts (H) and the ground cable bolt (G101).

14. Connect the injector connectors.

15. Connect the quick-connect fitting Fuel Line/Quick-Connect Fitting Installation.

16. Turn the ignition switch to ON (II), but do not operate the starter. After the fuel pump runs for about 2 seconds, the fuel rail will be pressurized. Repeat this two or three times, then make sure there are no fuel leaks.

17. Install the engine cover.