Left camshaft timing chain

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 Audi S4, 2008 Audi S4, 2007 Audi S4, 2006 Audi S4, and 2005 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Before removing timing chain, mark direction of travel with paint. Reversing the rotation direction of a used chain can destroy it.

Fig 1: Camshaft Timing Chain, Component Overview (Left Camshaft Timing Chain)

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Pivot pin -10 Nm

2 - 5 Nm plus an additional ¹ /₄ turn (90 °)

Replace

3 - Washer

Note installation position

4 - Camshaft bolt

Replace
Initial tightening torque: 40 Nm
Final tightening torque: 100 Nm plus an additional ¹ /₄ turn (90 °)

5 - Chain sprocket

For exhaust camshaft

6 - Camshaft bolt

Replace
Initial tightening torque: 40 Nm
Final tightening torque: 100 Nm plus an additional ¹ /₄ turn (90 °)

7 - Hall sensor wheel

When installing timing chain, adjust using setting gauge T40047

8 - Camshaft adjuster

For intake camshaft

9 - Diamond disc

Replace

10 - Chain tensioner

For left timing chain

11 - Left camshaft timing chain

Removing and installing → Camshaft timing chain, removing and installing

12 - Guide rail

Can be replaced separately

13 - Control housing

For camshaft adjuster

14 - Gasket

Replace

15 - Camshaft

16 - Alignment bushing

2 pieces

17 - 5 Nm plus an additional ¹ /₄ turn (90 °)

Replace

18 - Bracket

For drive sprocket

19 - 10 Nm

20 - Drive sprocket

For left timing chain

21 - Thrust washer

For drive sprocket

22 - 5 Nm plus an additional ¹ /₄ turn (90 °)

Replace

23 - Guide rail