Drive chain for timing mechanism, component overview

WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Drive Chain For Timing Mechanism, Component Overview

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Pivot pin for drive sprocket

2 - 30 Nm plus an additional 90 ° ( ¹ /₄ turn)

Replace

3 - 10 Nm plus an additional 90 ° ( ¹ /₄ turn)

Replace
Insert using locking compound; locking compound .

4 - 6 Nm plus an additional 60 ° ( ¹ /₆ turn)

Replace

5 - Thrust washer for drive sprocket

6 - Bushing with shoulder

7 - Drive sprocket for left camshaft timing chain

8 - 10 Nm plus an additional 90 ° ( ¹ /₄ turn)

Replace
Insert using locking compound; locking compound .

9 - Drive chain for timing mechanism

Before removing, mark direction of rotation with paint

10 - Guide rail

11 - 10 Nm plus an additional 90 ° ( ¹ /₄ turn)

Replace
Insert using locking compound; locking compound .

12 - Bushing with shoulder

13 - 8 Nm plus an additional 45 ° ( ¹ /₈ turn)

Replace
To be oiled for installation

14 - Mounting bracket for drive sprocket

15 - Bushing with shoulder

16 - Thrust washer

17 - Drive sprocket for right camshaft timing chain

18 - Bushing with shoulder

19 - 10 Nm plus an additional 90 ° ( ¹ /₄ turn)

Replace
Insert using locking compound; locking compound .

20 - O-ring

Replace

21 - Chain tensioner

22 - 10 Nm

23 - Glide track for chain tensioner

24 - Crankshaft

25 - Bushing with shoulder

26 - Guide rail

Note installation position

27 - 10 Nm plus an additional 90 ° ( ¹ /₄ turn)

Replace
Insert using locking compound; locking compound .