Running gear, axles, steering

Chapter overview

• Technical data
  1
• 1 Notes on safety
  1
• 1.1 Safety precautions when working on vehicles with high-voltage system
  1
• 1.2 Safety precautions during a road test using test and measuring equipment
  2
• 2 Repair instructions
  3
• 2.1 Gaskets and seals
  3
• 2.2 Nuts and bolts
  3
• 2.3 Electrical components
  3
• 3 Evaluating accident vehicles
  4
• 3.1 Checklist for evaluating running gear on accident vehicles
  4
• Front suspension
  6
• 1 Front axle
  6
• 1.1 Overview of fitting locations – front axle
  6
• 2 Front axle carrier
  7
• 2.1 Assembly overview – front axle carrier
  7
• 2.2 Removing and installing front axle carrier
  8
• 2.3 Assembly overview - anti-roll bar
  12
• 2.4 Removing and installing anti-roll bar
  13
• 2.5 Removing and installing coupling rod
  14
• 3 Suspension strut, upper suspension link
  16
• 3.1 Assembly overview - suspension strut, upper suspension link
  16
• 3.2 Removing and installing suspension strut
  16
• 3.3 Removing and installing upper links
  20
• 4 Lower suspension link, swivel joint
  23
• 4.1 Assembly overview - lower suspension link, swivel joint
  23
• 4.2 Removing and installing lower suspension link
  23
• 5 Wheel bearing assembly
  27
• 5.1 Assembly overview - wheel bearing assembly
  27
• 5.2 Removing and installing wheel bearing housing
  28
• 5.3 Removing and installing wheel bearing unit
  30
• 5.4 Repairing wheel bearing unit
  32
• Rear suspension
  36
• 1 Rear axle
  36
• 1.1 Overview - rear axle
  36
• 2 Anti-roll bar
  37
• 2.1 Assembly overview - anti-roll bar
  37
• 2.2 Removing and installing anti-roll bar
  37
• 2.3 Removing and installing coupling rod
  38
• 3 Lower suspension link, swivel joint
  40
• 3.1 Assembly overview - suspension link
  40
• 3.2 Removing and installing suspension link
  41
• 4 Suspension strut, shock absorber, spring
  44
• 4.1 Assembly overview - suspension strut, shock absorber, spring
  44
• 4.2 Removing and installing suspension strut
  44
• 5 Wheel bearing assembly
  47
• 5.1 Assembly overview - wheel bearing assembly
  47
• 5.2 Removing and installing wheel bearing unit
  47
• 6 Drive shaft
  50
• 6.1 Assembly overview - drive shaft
  50
• 6.2 Removing and installing drive shaft
  50
• Wheels, tyres, vehicle geometry
  53
• 1 Wheels, tyres
  53
• 1.1 Wheel change
  53
• 1.2 Specified torque for wheel bolts
  54
• 1.3 Pressing tyre off wheel rim
  59
• 2 Tyre pressure monitor
  64
• 2.1 System description – Tyre Pressure Monitoring System
  64
• 3 Wheel alignment
  65
• 3.1 Notes for wheel alignment
  65
• 3.2 Test prerequisites
  65
• 3.3 Test preparations
  65
• 3.4 Specified values for wheel alignment
  66
• 3.5 Necessity of wheel alignment
  66
• 3.6 Adjusting camber at front axle
  67
• 3.7 Adjusting camber on rear axle
  68
• 3.8 Adjusting rear axle toe
  69
• 3.9 Adjusting front axle toe
  71
• 3.10 Setting vehicle to initial position for wheel alignment
  72
• 4 Vibration due to wheels/tyres - causes and rectification
  76
• 4.1 Balancing wheel
  76
• 4.2 Checking radial and lateral run-out of wheels and tyres
  78
• 4.3 Checking radial and lateral run-out on wheel rim
  79
• 4.4 Matching wheels and tyres
  79
• 4.5 Determining flat spots on tyres
  80
• Steering
  82
• 1 Steering wheel
  82
• 1.1 Assembly overview - steering wheel
  82
• 1.2 Removing and installing steering wheel
  82
• 2 Steering column
  84
• 2.1 Assembly overview - steering column
  84
• 2.2 Checking steering column for damage
  85
• 2.3 Handling and transporting steering column
  85
• 2.4 Removing and installing steering column
  86
• 2.5 Removing and installing control unit for electronic steering column lock J764
  90
• 3 Steering rack
  92
• 3.1 Assembly overview - steering rack
  92
• 3.2 Removing and installing steering rack
  93