Fuel Injector Replacement for Chevrolet Epica 2008

Special Tools

EN-48357 Injector Remover

Caution: Refer to Gasoline/Gasoline Vapors Caution in the Preface section.

Caution: Refer to Battery Disconnect Caution in the Preface section.




1. Disconnect the negative battery cable.
2. Remove the high pressure fuel pipes. Refer to Fuel Injector Fuel Feed Pipe Replacement .
3. Remove the injector return hoses. Refer to Fuel Return Pipe Replacement .



4. Disconnect the injector connector.
5. Remove the injector bracket plug.



6. Unscrew the injector bracket bolt.
7. Pull the injector bracket out from the injector using by the bolt manually.
8. Remove the injectors with the washer upward.




Important: Number the injectors using a pen. If mixed up, it could influence engine performance.

9. If the injectors stick to the cylinder head, use EN-48357 .

1. Inspect and clean the injectors and nozzle tip.

Important: Do not reuse the injector washers, leaks may results. Do not wipe clean the nozzle tip area. It may damage the nozzle hole.

2. Install the injector with a new washer.
3. Insert the injector bracket into the injector groove.
4. Tighten the injector bracket bolt.

Tighten
Tighten the injector bracket bolt to 28 N·m (20.7 lb ft).




5. Install the injector bracket plug.

Tighten
Tighten the injector bracket plug bolt to 7 N·m (62.0 lb in).

Important: Do not reuse the fuel pipes. If reused, the contaminated pipes may be damaged the injectors or leaked from the pipes.

Important: If new injectors were installed or the injector sequence was changed, reprogram the injectors using scan tool.

6. Prime the fuel system. Refer to Fuel System Priming .