Audi Q7 2007 Repair Manual page 45

Installing
Note
Replace the combustion chamber seal and O-ring.
♦
Replace the sealing ring if it is damaged.
♦
Lubricate the fuel injector O-rings lightly with clean engine oil.
♦
– Clean the hole in the cylinder head with a Injector/Combustion
Chamber Seal Tool Set - Brush - T10133/4- .
– Place the Injector/Combustion Chamber Seal Tool Set - As‐
sembly Cone - T10133/5- with new combustion chamber seal
-1- from the repair kit onto the fuel injector -2-.
– Slide the combustion chamber seal with the Injector/Combus‐
tion Chamber Seal Tool Set - Assembly Sleeve - T10133/6-
onto the Injector/Combustion Chamber Seal Tool Set -
Assembly Cone - T10133/5- as far as possible.
– Turn the Injector/Combustion Chamber Seal Tool Set - As‐
sembly Sleeve - T10133/6- and slide the combustion chamber
seal into the seal groove.
Note
When pushing the combustion chamber seal onto the fuel injec‐
tor, the seal spreads open. Therefore after pushing it on, it must
be tightened again in two steps, as follows.
– Press the Injector/Combustion Chamber Seal Tool Set - Cal‐
ibration Sleeve - T10133/7- with a gentle turning movement
(approximately 180°) all the way onto the fuel injector.
– Pull off the Injector/Combustion Chamber Seal Tool Set - Cal‐
ibration Sleeve - T10133/7- again using turning motion in
opposite direction.
Fuel Injection and Ignition - Edition 02.2015
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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.
Audi Q7 2007 ➤
41
3. Injection System