Audi Workshop Service and Repair Manuals

Special tools and workshop equipment required

• ◆ T10056 Assembly sleeves

Removing

• ● Unit injector removed

• ‒ Lever old O rings very carefully out of unit injector.
• ‒ Above all ensure that burrs are not caused on the seating for the O ring.
• ‒ Pull heat shield seat off together with securing clip.

Installing

Notes:

• ◆ Always use the assembly sleeves to fit the O rings. There is a danger of damaging the O rings if the sleeves are not used.
• ◆ Prevent O rings from rolling when sliding them on. The O rings must not be twisted when seated on the unit injector.

• ‒ Clean O ring seating surfaces on unit injector very carefully.

• ‒ → Slide assembly sleeve T10056/1 onto stop on unit injector.
• ‒ Slide upper O ring carefully onto assembly sleeve and into seat on unit injector.
• ‒ Remove assembly sleeve.

• ‒ → Slide assembly sleeve T10056/2 onto stop on unit injector.
• ‒ Slide the middle O ring carefully onto assembly sleeve and into seat on unit injector.
• ‒ Remove assembly sleeve.

• ‒ → Slide assembly sleeve T10056/3 onto stop on unit injector.
• ‒ Slide lower O ring carefully onto assembly sleeve and into seat on unit injector.
• ‒ Remove assembly sleeve.
• ‒ Fit new heat shield seal together with securing clip.