Steering and Suspension: Locations
Component overview
1. Hex bolt, 75 Nm
2. Washer
3. Hex bolt M10 x 62
^ Always replace after disassembly
4. Upper rear link
^ Replace bushing
^ Separating from wheel bearing housing
5. Hex bolt, 5 Nm
^ Bolt onto system
6. Bolt
7. Self-locking nut
^ Always replace after disassembly
^ 50 Nm for steel wheel bearing housing
^ 45 Nm for aluminium wheel bearing housing
8. Hex bolt M10 x 100
9. Self-locking nut, 40 Nm
^ Always replace after disassembly
10. Front upper link
^ Can be removed together with mounting bracket
^ Mounting bracket, removing and installing
^ Replacing bushing
^ Separating from wheel bearing housing
11. Suspension strut
^ Note varying spring/shock absorber versions, see vehicle data sticker
12. Hex bolt M12 x 1.5 x 120
^ Always replace after disassembly
13. Lower guide link
^ If anti-vibration mount leaks it must be replaced
^ Application
^ See Parts Supplier
14. Self-locking nut, 100 Nm
^ 100 Nm for steel wheel bearing housing
^ 110 Nm for aluminium wheel bearing housing
^ Always replace after disassembly
15. Wheel bearing housing
^ There are versions with and without a groove for a ring on the tie rod end - only new version is supplied as a replacement part
^ On vehicles with a headlight vertical aim control system be careful removing and installing
^ Separating from upper link
16. Backing plate
17. Hex bolt
^ Always replace after disassembly
^ Vehicle must not be raised when tightening
Tightening torques:
Bolt M14:
^ 115 Nm plus additional 180° (1/2 -turn)
Bolt M16:
^ 190 Nm plus additional 180° (1/2 -turn)
18. Socket head bolt, 10 Nm
19. Self-locking nut, 100 Nm
^ 100 Nm for steel wheel bearing housing
^ 120 Nm for aluminium wheel bearing housing
^ Always replace after disassembly
20. Hex bolt M12 x 1.5 x 85
21. Self-locking nut, 90 Nm
^ Always replace after disassembly
22. Coupling
^ Arrow on coupling points in direction of travel
^ Note change in coupling and in tightening torques
23. Self-locking hex nut
^ Always replace after disassembly
^ 40 Nm plus additional 90° (1/4 -turn)
^ Nut has ribs on the bottom
Only use this special nut as replacement!
24. Hex bolt M12 x 1.5 x 100
^ Always replace after disassembly
25. Lower track control link
^ On vehicles with a headlight vertical aim control system be careful removing and installing vehicle level sensor
26. Hex bolt M12 x 1.5 x 110
^ 110 Nm plus additional 90° (1/4 -turn)
^ Always replace after disassembly
^ Thread in body can be repaired with thread insert made of wire according to DIN 8140 (Helicoil). Thread insert must have same length as thread in body.
27. Hex bolt, 75 Nm
^ M10 x 70
^ Always replace after disassembly
28. Self-locking nut, 100 Nm
^ Note change in coupling and in tightening torques
^ nut has ribs on the bottom
^ Always replace after disassembly
Only use this special nut as replacement!
29. Clip
^ inserted in track control link
^ Always replace
30. Subframe
^ On vehicles with a headlight vertical aim control system be careful removing and installing
31. Hex bolt, 25 Nm
^ Always replace after removing
^ Observe different bolt versions and tightening torques refer to Fig. 6
32. Subframe support
33. Self-locking nut
^ 70 Nm plus additional 180° 1/2 turn
^ Always replace after removing
34. Self-locking nut
^ 70 Nm plus additional 180° 1/2 turn
^ Always replace after removing
35. Socket-head bolt
^ Tightening torques:
Bolt M8 X 48: 40 Nm
Bolt M10 X 48: 70 Nm
36. Backing plate
37. Drive axle
38. Drive axle with triple roller joint
39. Twelve-point socket head bolt, 70 Nm
^ For vehicles with triple roller joint
^ M10X20
40. Hex bolt M10 x 62
^ Always replace after disassembly
41. Mounting bracket
42. Self-locking nut
^ 50 Nm plus additional 90° (1/4 -turn)
^ Always replace after disassembly
43. Self-locking nut with flange, 20 Nm
^ Always replace after disassembly
Fig. 6 Bolt versions
Bolt -A- without ribbing.
Tightening torques: 25 Nm
Bolt -B- with ribbing.
Tightening torques: 75 Nm
Bolt -C- with screw head and washer ribbing.
Tightening torques: 30 Nm and turn an additional 90°
All bolts must only be used once.