Audi A8 2003 Workshop Manual page 123

8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics - Edition 12.2013
1 - Thrust washer
❑ For drive chain sprocket
1
2 - 5 Nm + 90° ( / 4 turn) further
❑ Renew
1
3 - 5 Nm + 90° ( / 4 turn) further
❑ Renew
4 - Guide rail
❑ Note installation posi‐
tion
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1
5 - 5 Nm + 90° ( / 4 turn) further
with respect to the correctness of information in this document. Copyright by AUDI AG.
❑ Renew
6 - Chain tensioner
❑ For timing chain (left-
side)
7 - 24 Nm
8 - Chain sprocket
❑ For inlet camshaft
❑ Installation position:
Side with lettering faces
front
9 - Timing chain (left-side)
❑ Before removing, mark
running direction with
paint
10 - Bolt with sleeve: 5 Nm +
1
90° ( / 4 turn) further
❑ Renew
11 - Tensioning rail
12 - Bearing bracket
❑ For drive chain sprocket
1
13 - 5 Nm + 90° ( / 4 turn) further
❑ Renew
14 - Drive chain sprocket
❑ For timing chain (left-side)
Camshaft timing chain (right-side)
Audi A8 2003 ➤
117
1. Chain drive