Toothed Belt Drive, Assembly Overview Audi A4 B6

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.

Note. The following list refers to items in see scheme 115.

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, see «TOOTHED BELT, REMOVING AND INSTALLING»(ref-197058-S27623366062005101100000) Installing (adjusting timing), see «INSTALLING (ADJUSTING VALVE TIMING)»(ref-197058-S24630182892005101100000)
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
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
32. Central bolt - 200 Nm plus an additional 180° (1/2 turn) Always replace Do not oil additionally Use T40026 locking pin when loosening or tightening Thread in T40026 locking pin
33. Toothed belt tensioner
34. 10 Nm

Scheme 107

Scheme 108

1. 3212 spanner wrench
2. 3387 pin wrench
3. T40011 pin
4. T40026 locking pin
5. T40028 socket
6. T40030 camshaft adjuster gauge