Injector Replace
Tools Required
EN-48357 Injector Remover
Warning: Do not allow smoking or the use of open flames in the area where work on the fuel system is taking place. Whenever work is being done on the fuel system, disconnect the negative battery cable, except for those tests where battery voltage is required.
Remove
- Disconnect the negative battery cable.
- Remove the high pressure fuel pipes. Refer to High Pressure Fuel Feeding Pipes Replace .
- Remove the injector return hoses. Refer to Fuel Return Line Assembly Replace .
- Disconnect the injector connector.
- Remove the injector bracket plug.
- Unscrew the injector bracket bolt.
- Pull the injector bracket out from the injector using by the bolt manually.
- Remove the injectors with the washer upward.
Important: Using a pen, number the injectors in sequence. If injectors are mixed up it can have an influence on the engine performance.
Important: Place a cap to the nozzle tip.
- If the injectors stick to the cylinder head, use the injector remover EN-48357.
Install
Important: The injector washer must not be reused.
- Inspect and clean the injectors and nozzle tip.
Important: Do not wipe the nozzle tip area. It may damage the nozzle hole.
- Install the injector with a new washer.
- Insert the injector bracket into the injector groove.
- Tighten the injector bracket bolt.
Tighten
Tighten the injector bracket bolt to 15 N•m + 65° (11 lb-ft + 65°).
- 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 damage the injectors.
- Prime engine with fuel.
Important : If replaced the new injector or exchanged injector sequences, reprogram and reset zero fuel correction (ZFC) EEPRM values of the injectors by using scan tool.