Audi A8 2010 Workshop Manual page 35

Simos direct petrol injection and ignition system (6-cyl. 3.0 ltr. TFSI 4-valve) - Edition 12.2011
– Remove supercharger ⇒ Rep. gr. 21 .
– Remove corresponding intake manifold (bottom section)
⇒ page 27 .
– Apply puller -T10133/2A- to groove on injector.
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
– Attach removal tool -T10133/16- and pull out injector by turn‐
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
ing bolt -1-.
Dismantling injector
– Pull support ring -4-, O-ring -3- and spacer ring -2- off injector
-1-.
– Unclip sealing element -5-.
– Carefully remove old combustion chamber ring seal -6-. To do
so, cut open combustion chamber ring seal using knife or prise
open with small screwdriver and then pull off forwards.
Note
Take care not to damage groove on injector. The injector must be
renewed if the groove is damaged.
Installing
Note
Renew sealing element, combustion chamber ring seal and
♦
O-ring.
Renew spacer ring if damaged.
♦
Lubricate O-rings of injectors lightly with clean engine oil.
♦
– Clean bore in cylinder head with nylon cylinder brush -
T10133/4- .
Audi A8 2010 ➤
31
2. Injection system