Running gear, Axles, Steering, Front and four wheel drive

Chapter overview

• Technical data
  1
• 1 Checklist for evaluating running gear of accident vehicles
  1
• 2 General information
  3
• Front suspension
  4
• 1 Appraisal of accident vehicles
  4
• 2 Repairing front wheel suspension
  5
• 2.1 Overview - front axle
  5
• 2.2 Raising wheel suspension to unladen position
  6
• 3.1 Removing and installing air suspension strut
  10
• 3.2 Charging air suspension strut
  14
• 3.3 Removing and installing mounting bracket
  16
• 3.4 Removing and installing upper suspension links
  17
• 3.5 Renewing bonded rubber bushings for upper suspension links
  19
• 3.6 Removing and installing wheel bearing housing
  20
• 3.7 Assembly overview of wheel suspension up to model year 2007
  23
• 3.8 Assembly overview of wheel suspension up to model year 2008
  24
• 3.9 Removing and installing wheel bearing unit up to model year 2007
  25
• 3.10 Removing and installing wheel bearing unit from model year 2008
  28
• 4 Assembly overview B - Subframe, lower suspension link and anti-roll bar
  30
• 4.1 Removing and installing subframe
  32
• 4.2 Renewing front bonded rubber bushes in subframe
  34
• 4.3 Renewing rear bonded rubber bushes in subframe
  37
• 4.4 Renewing rear hydraulic bonded rubber bushes in subframe
  40
• 4.5 Removing and installing anti-roll bar
  43
• 4.6 Removing and installing track control link
  45
• 4.7 Renewing outer bush for track control link
  48
• 4.8 Renewing inner bush for track control link
  49
• 4.9 Removing and installing guide link
  51
• 4.10 Renewing guide link bushes
  52
• 5 Overview - drive shafts
  57
• 5.1 Heat shields for drive shafts
  57
• 5.2 Removing and installing drive shafts
  60
• 6 I: Assembly overview: drive shaft with triple roller joint AAR 2900
  62
• 6.1 Dismantling and assembling triple roller joint AAR 2900
  64
• 6.2 Checking outer constant velocity joint
  70
• 7 II: Assembly overview: drive shaft with triple roller joint AAR 3300i
  72
• 7.1 Dismantling and assembling triple roller joint AAR 3300i
  73
• 7.2 Repairing outer constant velocity joint
  79
• Rear suspension
  80
• 1 Appraisal of accident vehicles
  80
• 2 Repairing rear axle, front and four-wheel drive
  81
• 3 I: Assembly overview: subframe
  82
• 3.1 Removing and installing subframe
  84
• 3.2 Renewing front bonded rubber bushes in subframe
  86
• 3.3 Renewing rear bonded rubber bushes in subframe
  88
• 4 II: Assembly overview: Suspension link, track rod, air suspension strut
  92
• 4.1 Removing and installing air suspension strut
  94
• 4.2 Charging air suspension strut
  96
• 4.3 Removing and installing anti-roll bar
  98
• 4.4 Removing and installing upper links
  100
• 4.5 Removing and installing track rod
  103
• 4.6 Removing and installing coupling rod for anti-roll bar to lower suspension link
  104
• 4.7 Removing and installing coupling rod for track rod to lower suspension link
  105
• 4.8 Removing and installing lower suspension link
  106
• 5 III: Assembly overview: wheel bearing
  111
• 5.1 Removing and installing wheel bearing housing
  112
• 5.2 Removing and installing wheel bearing unit
  115
• 5.3 Renewing wheel bearing up to model year 2007
  118
• 5.4 Installing wheel bearing housing bonded rubber bush
  122
• 6 IV: Assembly overview: Drive shaft
  124
• 6.1 Removing and installing jointed shaft
  125
• 7 Repairing drive shafts
  130
• 7.1 Repairing inner constant velocity joint
  131
• 7.2 Checking inner constant velocity joint
  135
• 7.3 Repairing outer constant velocity joint
  137
• 7.4 Checking outer constant velocity joint
  138
• Self-levelling suspension
  140
• 1 Appraisal of accident vehicles
  140
• 2 Jacking mode
  141
• 3 Repairing self-levelling suspension
  142
• 3.1 Fault finding, air suspension strut and self-levelling suspension
  142
• 3.2 Self-levelling suspension components and fitting locations
  144
• 3.3 Removing and installing adaptive suspension control unit J197
  146
• 3.4 Removing and installing front vehicle level senders G78 G289
  147
• 3.5 Removing and installing front wheel acceleration senders G337 G338
  148
• 3.6 Removing and installing front body acceleration senders G341 G342
  149
• 3.7 Removing and installing rear vehicle level senders G76 G77
  149
• 3.8 Removing and installing rear wheel acceleration senders G339 G340
  150
• 3.9 Removing and installing rear body acceleration sender G343
  151
• 3.10 Repairing air line
  152
• 3.11 Assembly overview: air supply unit with solenoid valve block
  152
• 3.12 Removing and installing air supply unit
  153
• 3.13 Identification of pipes on solenoid valve block
  155
• 3.14 Removing and installing solenoid valve block
  155
• 3.15 Basic settings for self-levelling suspension
  156
• 3.16 Measuring ride height
  157
• Wheels, tyres, vehicle geometry
  158
• 1 Appraisal of accident vehicles
  158
• 2 Torque settings for wheel bolts and tyre assembly
  159
• 2.1 Specified torque for wheel bolts
  159
• 3 Fitting wheel and tyre
  160
• 3.1 General information
  160
• 3.2 Fittings instructions
  160
• 4 Removing and fitting tyres (wheels with tyre pressure monitoring)
  162
• 4.2 Wheel change
  162
• 4.3 Pressing tyre off wheel rim
  163
• 4.4 Removing tyre from wheel
  164
• 4.5 Fitting tyre to wheel rim
  164
• 5 Wheel alignment
  166
• 5.1 General notes on wheel alignment
  166
• 5.2 Models with electronic stabilisation program
  167
• 5.3 Vehicle data sticker
  167
• 5.4 Test prerequisites:
  168
• 5.5 Test preparations
  168
• 5.6 Wheel runout compensation
  169
• 5.7 Overview - wheel alignment procedure
  169
• 5.8 Wheel alignment specifications
  170
• 5.9 Averaging front axle camber
  171
• 5.10 Adjusting camber on rear axle
  172
• 5.11 Adjusting toe at rear axle
  173
• 5.12 Adjusting toe-in curve at front wheels
  173
• 5.13 Raising vehicle
  174
• 5.14 Adjusting toe constant “S”
  174
• 5.15 Adjusting front axle toe
  175
• 6 Fitting suspension blocks
  176
• 6.1 Fitting suspension blocks to front axle
  176
• 6.2 Fitting suspension blocks to rear axle
  177
• 7 Setting tyre pressure control when stationary, generation 1
  178
• 7.1 Removing and installing tyre pressure sensor and metal valve
  178
• 7.2 Removing and installing tyre pressure sensor
  179
• 7.3 Storing current tyre inflation pressure
  180
• 8 Repairing tyre pressure monitor, 2nd generation
  181
• 8.1 Component overview - tyre pressure monitor
  181
• 8.2 Assembly overview - tyre pressure sensor, version 1
  182
• 8.3 Assembly overview - tyre pressure sensor, version 2
  183
• 8.4 Removing and installing tyre pressure sensor, version 1
  183
• 8.5 Removing and installing tyre pressure sensor, version 2
  184
• 8.6 Removing and installing metal valve
  185
• 8.7 Removing and installing tyre pressure monitor sender unit in front left wheel housing G431
  186
• 8.8 Removing and installing tyre pressure monitor sender unit in front right wheel housing G432
  187
• 8.9 Removing and installing tyre pressure monitor sender unit in rear left wheel housing G433
  188
• 8.10 Removing and installing tyre pressure monitor sender unit in rear right wheel housing G434
  189
• 8.11 Removing and installing tyre pressure monitor aerial R207
  190
• 8.12 Removing and installing tyre pressure monitor control unit J502
  191
• 9 Wheels, tyres
  192
• 9.1 Models with breakdown set
  192
• 9.2 Tyre sealant
  192
• 9.3 Removing a tyre
  192
• 9.4 Fitting a new tyre
  193
• 9.5 Tyre sealant disposal
  193
• 10 Instructions for changing or fitting wheels
  194
• 10.1 Fitting wheels
  195
• 11 Protecting wheel centring seat against corrosion
  196
• 12 Rough running due to wheels/tyres - causes and rectification
  197
• 12.1 Causes of rough running
  197
• 12.2 Balancing wheels
  197
• 12.3 Conducting a road test before balancing wheels
  197
• 12.4 Balancing wheels on stationary wheel balancing machine
  198
• 12.5 Vibration control system VAS 6230 A
  201
• 12.6 Finish balancer
  201
• 12.7 Radial and lateral runout of wheels and tyres
  202
• 12.9 Checking radial and lateral runout on wheel rim
  203
• 12.10 Matching
  204
• 12.11 Flat spots caused by storage or handling
  205
• 13 Automatic Distance Control (ADC)
  207
• 13.1 General information on ADC
  207
• 13.2 Adjustment procedure
  207
• 14 Adaptive Cruise Control (ACC)
  211
• 14.1 General information on ACC calibration
  211
• 14.2 ACC calibration during vehicle alignment
  211
• 14.3 ACC calibration without prior vehicle alignment
  213
• 15 Front camera for driver assistance system R242
  216
• 15.1 Adjusting the front camera for driver assistance system R242
  216
• Steering
  224
• 1 Appraisal of accident vehicles
  224
• 2 Steering column
  225
• 2.1 Removing and installing steering column
  225
• 3 Assembly overview - steering box
  228
• 3.1 Removing and installing power steering, models with V6 petrol engine
  229
• 3.2 Removing and installing power steering, models with V6 diesel engine
  232
• 3.3 Removing and installing power steering, models with V8 petrol engine
  235
• 3.4 Removing and installing power steering, models with V10 diesel engine
  238
• 3.5 Removing and installing power steering, models with W12 petrol engine
  241
• 4 Repairing power steering
  245
• 4.1 Removing and installing track rods
  245
• 5 Vane pump
  248
• 5.1 Checking vane pump delivery pressure, V6 petrol engine
  248
• 5.2 Assembly overview - vane pump, V6 petrol engine
  251
• 5.3 Removing and installing vane pump, V6 petrol engine
  252
• 5.4 Checking vane pump delivery pressure, V6 diesel engine
  254
• 5.5 Assembly overview - vane pump, V6 diesel engine
  257
• 5.6 Removing and installing vane pump, V6 diesel engine
  258
• 5.7 Checking vane pump delivery pressure, V8 petrol engine
  261
• 5.8 Assembly overview - vane pump, V8 petrol engine
  263
• 5.9 Removing and installing vane pump, V8 petrol engine
  264
• 5.10 Checking vane pump delivery pressure, V10 diesel engine
  267
• 5.11 Assembly overview - vane pump, V10 diesel engine
  269
• 5.12 Removing and installing vane pump, V10 diesel engine
  270
• 5.13 Checking vane pump delivery pressure, W12 petrol engine
  272
• 5.14 Assembly overview - vane pump, W12 petrol engine
  275
• 5.15 Removing and installing vane pump, W12 petrol engine
  275
• 5.16 Checking power steering fluid level
  279
• 5.17 Bleeding steering system
  280
• 5.18 Checking steering system for leaks
  281