Timing mechanism drive chain, assembly overview: Notes
WARNING: This page is about a different car, the 2010 Audi A8, 2009 Audi A8, 2008 Audi A8, and 2007 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.
1 - Guide rail
2 - Bolt
- Replace
- 10 Nm plus an additional 90° (1 /4 turn).
3 - Bolt
- 22 Nm
4 - Thrust washer for drive sprocket
5 - Drive sprocket for left timing chain
6 - Bolt
- Replace
- 10 Nm additional 90° (1 /4 turn).
7 - Drive chain for timing mechanism
CAUTION:
Risk of destroying due to reversed running direction on a used drive chain.
- Mark drive chain running direction with arrows using paint for reinstallation.
- Removing and installing → Drive chain for timing mechanism, removing and installing
8 - Guide rail
9 - Bolt
- Replace
- 10 Nm additional 90° (1 /4 turn).
10 - Bolt
- 9 Nm
11 - Mounting bracket for drive sprocket
- For right camshaft timing chain
- Asymmetrical version
- Installed location → Right camshaft timing chain drive sprocket mounting bracket location
12 - Thrust washer
13 - Drive sprocket for right timing chain
14 - Pivot pin for drive sprocket
15 - Bolt
- Tightening torque → Camshaft timing chain, assembly overview
16 - O-ring
- Replace
17 - Chain tensioner
18 - Bolt
- Replace
- 5 Nm additional 90° (1 /4 turn).
19 - Crankshaft
20 - Bolt
- Replace
- 10 Nm additional 90° (1 /4 turn).