Fuel Injector Combustion Chamber Teflon Seal

Fuel Injector Combustion Chamber Teflon Seal

Special tools, testers and auxiliary items required

• Tool set (T10133)

• Brass wire brush

Procedure

• Combustion chamber sealing ring (Teflon sealing ring) for the fuel injector must not be oiled or greased.

- Clean the fuel injectors. Refer to --> [ Fuel Injectors, Cleaning ] Procedures.

- Carefully remove the old combustion chamber seal (Teflon seal) with the appropriate tool, for example, cut the seal open with a razor and spread seal open with a small screwdriver and pull it forward and off. When doing this, make sure not to damage the groove - arrow - and circumferential rib in the groove base.





- Carefully clean the fuel injector around the groove - arrow - and the base of the groove. Remove any deposits (coking) using a brass wire brush.

- Insert a new seal onto the (T10133/5).





- Slide the seal as far as it will go onto the (T10133/5) using the (T10133/6).

- Rotate the (T10133/6) and slide the seal on the (T10133/5) up to the end.





- Place the (T10133/5) on the fuel injector and slide the (T10133/6) onto the fuel injector.





- Remove the (T10133/5) and slide the seal into the groove using the (T10133/6).

- Press the (T10133/7) with a slight turning motion (approximately 180 degrees) onto the fuel injector until it stops.





- Pull off the (T10133/7) again using turning motion in the opposite direction.

- Press the (T10133/8) with a slight turning motion (approximately 180 degrees) onto the fuel injector until it stops.





- Pull off the (T10133/8) again using turning motion in the opposite direction.

- Replace the fuel injector O-ring - 5 - and support ring - 4 -.