Fuel Rail and Injectors, For Cylinders 2, 4 and 6

Fuel Rail and Injectors, for Cylinders 2, 4 and 6

Special tools, testers and auxiliary items required

• Puller (T10055)

• Tool set (T10133)

Removing

- Remove small left coolant pipe.

- Disconnect fuel pressure sensor (G247) electrical connector - 4 -.





There is a risk of injury because the fuel is under very high pressure.

• Before opening high pressure components of the fuel injection system, pressure must be relieved to residual pressure.

- Reduce fuel pressure in high pressure area => [ Releasing Fuel Pressure on High Pressure Side ] Service Precautions.

- Disconnect fuel line - 5 -.

- Remove bolts - arrows - and remove fuel rail from fuel injectors and intake manifold.

- Disconnect electrical connectors - 1, 2, 3 - on fuel injectors.

- Press O-ring upward by hand as shown in illustration and remove from fuel injector.





- Connect puller (T10055) with puller (T10133/15).

- Guide puller (T10133/15) into groove on fuel injector - arrow -.





- Remove fuel injector by carefully tapping.





• To improve clarity, the generator is removed.

Installing

• Tightening specifications => [ Fuel Rail and Injectors, Assembly Overview ] Fuel Rail and Injectors, Assembly Overview.

• Replace bolts which have been tightened to specification.

• Replace O-rings between fuel injector and fuel rail.

• Replace fuel injector spring elements.

- Clean fuel injector holes in cylinder head with nylon brush (T10133/4).





- Check support ring => [ (Item 24) Support ring ] Fuel Rail and Injectors, Assembly Overview, replace if damaged => [ Combustion Chamber Seal and Fuel Injector Support Ring ] Combustion Chamber Seal and Fuel Injector Support Ring.

- Replace combustion chamber seal => [ Combustion Chamber Seal and Fuel Injector Support Ring ] Combustion Chamber Seal and Fuel Injector Support Ring.

- Position spring element - 1 -, coat O-ring - 3 - with clean engine oil and position in front of support ring - 2 -.





• Combustion chamber seal - arrow - must not be coated with engine oil.





- Press fuel injector by hand into cylinder head as far as stop.

• Fuel injector electrical connector must engage in cut out in cylinder head.

- Press fuel rail evenly onto fuel injectors.

- Tighten fuel rail bolts and fuel line union nut by hand.

- Tighten fuel rail bolts from inside to outside.

- Tighten fuel line union nut.

The rest of installation is in reverse order of removal, note the following:

- Install small left coolant pipe.

- Install oil dipstick guide tube.

- Fill with coolant.