Running gear, axles, steering

Chapter overview

• Technical data
  1
• 1 Safety information
  1
• 1.1 Safety measures when working on vehicles with a start/stop system
  1
• 1.2 Safety precautions when working on subframe
  1
• 2 Repair instructions
  2
• 2.1 Leaks at shock absorbers
  2
• 2.2 Noises from shock absorbers
  2
• 2.3 Checking shock absorbers when removed
  3
• 2.4 Steering rack
  3
• 2.5 Gaskets and seals
  4
• 2.6 Nuts and bolts
  4
• 2.7 Electrical components
  4
• 2.8 Raising suspension to unladen position (vehicles with coil springs)
  5
• 3 Evaluating accident vehicles
  8
• 3.1 Check list for evaluating running gear on accident vehicles
  8
• 4 Disposal
  10
• 4.1 Releasing gas and draining front gas-filled shock absorbers
  10
• 4.2 Releasing gas and draining rear gas-filled shock absorbers
  10
• Front suspension
  12
• 1 Front axle
  12
• 1.1 Overview of fitting locations – front axle
  12
• 2 Subframe
  15
• 2.1 Assembly overview – subframe
  15
• 2.2 Removing and installing subframe without steering rack
  17
• 2.3 Removing and installing subframe with steering rack
  19
• 2.4 Fixing subframe in position
  24
• 2.5 Lowering subframe
  28
• 3 Suspension strut, upper suspension link
  33
• 3.1 Assembly overview - suspension strut, upper suspension link
  33
• 3.2 Removing and installing suspension strut
  35
• 3.3 Repairing suspension strut
  41
• 4 Lower suspension link, swivel joint
  44
• 4.1 Assembly overview - lower suspension link, swivel joint
  44
• 4.2 Removing and installing lower suspension link
  45
• 4.3 Checking swivel joint
  47
• 4.4 Removing and installing swivel joint
  48
• 4.5 Renewing bonded rubber bush for lower suspension link
  51
• 5 Wheel bearing
  63
• 5.1 Assembly overview – wheel bearing assembly
  63
• 5.2 Removing and installing wheel bearing housing
  64
• 5.3 Removing and installing wheel bearing unit
  67
• 6 Drive shaft
  74
• 6.1 Assembly overview – drive shaft
  74
• 6.2 Loosening and tightening threaded connections of drive shaft
  76
• 6.3 Removing and installing drive shaft
  77
• 6.4 Removing and installing drive shaft heat shield
  85
• 6.5 Dismantling and assembling drive shaft
  86
• 6.6 Checking outer constant velocity joint
  96
• 7 Anti-roll bar
  99
• 7.1 Removing and installing anti-roll bar
  99
• 7.2 Removing and installing coupling rod
  99
• Rear suspension
  101
• 1 Rear axle
  101
• 1.1 Overview of fitting locations – rear axle
  101
• 1.2 Removing and installing stone deflector for rear axle
  103
• 1.3 Removing and installing rear axle
  104
• 2 Axle beam
  109
• 2.1 Assembly overview – axle beam
  109
• 2.2 Renewing bonded rubber bush for axle beam
  110
• 2.3 Removing and installing cladding for axle beam
  117
• 3 Suspension strut, shock absorber, spring
  119
• 3.1 Assembly overview - suspension strut, shock absorber, spring
  119
• 3.2 Removing and installing shock absorber
  120
• 3.3 Repairing shock absorber
  122
• 3.4 Removing and installing spring
  124
• 4 Wheel bearing assembly, trailing arm
  126
• 4.1 Assembly overview – wheel bearing assembly
  126
• 4.2 Removing and installing wheel bearing unit
  127
• Self-levelling suspension
  135
• 1 Vehicle level sender
  135
• 1.1 Assembly overview – rear vehicle level senders
  135
• 1.2 Removing and installing rear vehicle level senders G76/G77
  135
• Wheels, tyres, vehicle geometry
  138
• 1 Wheel alignment
  138
• 1.1 Notes for wheel alignment
  138
• 1.2 Conditions for testing
  139
• 1.3 Test preparations
  139
• 1.4 Specifications for wheel alignment
  141
• 1.5 Setting vehicle to initial position for wheel alignment
  142
• 1.6 Wheel alignment procedure
  143
• 1.7 Necessity of wheel alignment
  144
• 1.8 Vehicle data sticker
  145
• 1.9 Adjusting camber at front wheels
  145
• 1.10 Adjusting camber on rear axle
  147
• 1.11 Adjusting toe at rear axle
  147
• 1.12 Adjusting front axle toe
  147
• 1.13 Checking maximum steering wheel angle
  148
• 1.14 Steering angle sender G85 basic setting
  149
• Steering
  150
• 1 Steering wheel
  150
• 1.1 Assembly overview – steering wheel
  150
• 1.2 Removing and installing steering wheel
  150
• 2 Steering column
  152
• 2.1 Assembly overview – steering column
  152
• 2.2 Checking steering column for damage
  154
• 2.3 Handling and transporting steering column
  154
• 2.4 Removing and installing steering column
  156
• 2.5 Removing and installing intermediate steering shaft
  159
• 2.6 Removing and installing control unit for electronic steering column lock J764
  161
• 3 Steering rack
  164
• 3.1 Assembly overview – steering rack
  164
• 3.2 Removing and installing steering rack
  166
• 3.3 Removing and installing bellows
  168
• 3.4 Removing and installing track rod
  171
• 3.5 Removing and installing track rod ball joint
  173
• 4 Sensors
  176
• 4.1 Removing and installing steering angle sender G85
  176