Audi A6 Repair Manual page 40

Audi A6 2005 ➤
Fuel Injection and Ignition - Edition 03.2008
If fuel injectors cannot be pulled out of cylinder head by hand,
proceed as follows:
– Using a screwdriver, bend retaining tabs -1- of radial adjust‐
ment aside -arrow- and pull support ring -2- from fuel injector.
– Attach slide wrench -T10133/3- with adapter -T10133/2- .
– Guide puller -T10133/2- into groove on fuel injector and care‐
fully drive fuel injector out.
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Note
When setting the puller in place, the radial adjustment can be de‐
stroyed, because the retaining tabs break.
– Carefully remove old combustion chamber seal -arrow-, there‐
by cutting seal open with a knife or spreading seal open with
a small screwdriver and pulling it forward and off.
– Make sure that the groove of fuel injector does not become
damaged. If groove is damage, fuel injector must be replaced.
Installing
Note
Replace combustion chamber seal and O-ring.
♦
Replace spacer ring if damaged.
♦
Lightly moisten fuel injector O-rings with clean engine oil.
♦
Re-insert injector lines at same cylinder.
♦
– Clean bore in cylinder head with nylon cylinder brush -
T10133/4- .
36
Rep. Gr.24 - Fuel injection system