Fuel Injector: Service and Repair

Fuel Injector Replacement

Removal Procedure




1. Remove the fuel injection fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement (Service and Repair).
2. Pull the 4 fuel injector assemblies out of the fuel delivery pipe





Note: Prevent entry of foreign objects by covering the fuel injector with a plastic bag.

3. For reinstallation, attach a tag or label to the injector shaft.




4. Remove the 4 injector vibration insulators (1, 2, 3, 4).

Installation Procedure




1. Install the fuel injector assembly.
2. Install a new injector vibration insulator (2) to the fuel injector assembly.
3. Apply a light coat of oil to the contact surfaces of the O-ring (1) of the fuel injector assembly.





Note: Do not twist the O-ring. After installing the fuel injectors, check that they turn smoothly. If not, replace the O-ring with a new one.

4. While turning the fuel injector assembly left and right, install it onto the fuel delivery pipe sub-assembly.
5. Install the fuel injection fuel rail assembly. Refer to Fuel Injection Fuel Rail Assembly Replacement (Service and Repair).