Fuel Injector Teflon(R) Seal

Fuel Injector Teflon(R) Seal

Special tools, testers and auxiliary items required

• Tool Set (T10133)

• The Teflon(R) seal must not be oiled.

- Carefully remove the old Teflon(R) seal with the appropriate tool (for example, cut the seal open with a razor blade, spread it outward with a small screwdriver and remove it forward). When doing this, be sure not to damage the groove and the rib in the groove base.

- Thoroughly clean the fuel injector in the area of the seal - arrow -. Remove any deposits (coking) using a brass brush.






- Clean the seal groove.

- Insert a new seal onto the assembly cone (T10133/5). Slide the seal as far as it will go onto the assembly cone (T10133/5) using the assembly sleeve (T10133/6).






- Rotate the assembly sleeve (T10133/6) and slide the seal onto the assembly cone (T10133/5) up to the end.






- Place the assembly cone (T10133/5) onto the fuel injector and slide the seal onto the fuel injector using the assembly sleeve (T10133/6).






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

- Press the calibrating sleeve (T10133/7) using a gentle turning motion (approximately 180°) onto the fuel injector until it stops.






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

- Now, press the calibrating sleeve (T10133/8) using a gentle turning motion (approximately 180°) onto the fuel injector until it stops.






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

- Replace the O-ring and support washer on the fuel injector.