Toothed belt drive, assembly overview
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before removing toothed belt, note direction of rotation with chalk or felt-tip marker. Reversing the direction of rotation of a run-in belt can destroy the belt.
1 - 45 Nm
- Self-locking
- Always replace
2 - Washer
3 - 45 Nm
4 - Tensioner roller
5 - Tensioning lever
- Insert shim item - 6
6 - Washer
- For tensioner lever
7 - Toothed belt
- Before removing, note direction of rotation using chalk or felt-tip marker
- Check for wear
- Removing. Refer to Toothed belt, removing and installing
- Installing (adjusting timing). Refer to Installing (adjusting valve timing)
8 - 45 Nm
9 - Exhaust camshaft, toothed belt gear
- For cylinder bank 1 (right) with vibration damper
- With camshaft adjuster
- Identification "Exhaust"
10 - Intake camshaft, toothed belt gear
- For cylinder bank 1 (right)
- With camshaft adjuster
- Identification "Intake"
11 - 10 Nm
- Self-locking
- Always replace
12 - Bracket
- For idler roller
13 - 10 Nm
- Self-locking
- Always replace
14 - Toothed belt guard, rear right
15 - Idler roller
16 - 10 Nm
17 - 10 Nm
18 - Mechanical coolant pump
- Removing and installing. Refer to Coolant pump, removing and installing
19 - Gasket
- Always replace
20 - Intake camshaft, toothed belt gear
- For cylinder bank 2 (left)
- With camshaft adjuster
- Identification "Intake"
21 - Toothed belt guard, rear left
22 - 10 Nm
- Self-locking
- Always replace
23 - Exhaust camshaft, toothed belt gear
- For cylinder bank 2 (left) with vibration damper
- With camshaft adjuster
- Identification "Exhaust"
24 - 100 Nm
- Use T40030 camshaft adjuster gauge when loosening or tightening
25 - O-ring
- Always replace
26 - Cap
27 - Snap ring
28 - Diamond disc
- For toothed belt gear
- Replace after removing toothed belt
29 - Eccentric pulley
30 - 45 Nm
31 - Toothed belt gear for crankshaft
- Replace diamond disc item - 28 after removal
- Contact surface between toothed belt gear, diamond disc and crankshaft must be free of oil.
- Installation only possible in one position
- Version dependent with/without thrust washer. Observe note. Refer to Vibration damper, removing and installing
32 - Central bolt, 200 Nm plus an addition 180° (1/2 turn)
- Always replace
- Do not oil additionally
- Use T40026 locking pin when loosening or tightening
- Thread in T40026 locking pin. Refer to Toothed belt, removing and installing
33 - Toothed belt tensioner
34 - 10 Nm