Audi A8 2003 Workshop Manual page 156

Audi A8 2003 ➤
8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
– Remove spring -2- between spur gear drive -1- and drive shaft
-3- for oil pump.
Installing
Note
Renew seals and O-rings.
– Renew oil seal for power steering pump drive
– Insert drive shaft -arrow- for oil pump into guide sleeve at oil
pump.
Note
To ensure that drive shaft engages correctly in oil pump, insert
drive shaft separately into oil pump (NOT together with spur gear
drive).
– Fit O-ring -arrow- in sump (top section).
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– Fit O-rings -2- on oil pipe -1-.
150
Rep. gr.15 - Cylinder head, valve gear
⇒ page 145 .