Running gear, axles, steering

Chapter overview

• Technical data
  1
• 1 Checklist for evaluating running gear of accident vehicles
  1
• 2 General information
  3
• Front suspension
  4
• 1 Evaluating accident vehicles
  4
• 2 Lifting front axle in unladen state
  5
• 3 Overview - front axle
  7
• 4 Assembly overview: subframe
  9
• 4.1 Repairing thread in longitudinal member
  10
• 4.2 Fixing subframe in position, vehicles with V6 engines
  11
• 4.3 Fixing subframe in position, vehicles with V8 engines
  12
• 4.4 Removing and installing subframe
  14
• 5 Assembly overview - front wheel suspension, lower suspension link, upper suspension link
  44
• 5.1 Removing and installing upper suspension link, vehicles with steel spring struts
  46
• 5.2 Removing and installing upper suspension link, vehicles with air spring struts
  48
• 5.3 Repairing upper suspension link
  50
• 5.4 Checking swivel joint
  53
• 5.5 Removing and installing lower suspension link
  53
• 5.9 Removing and installing wheel bearing housing
  64
• 6 Assembly overview - wheel bearing, 17 running gear
  69
• 6.1 Removing and installing wheel bearing for 17" running gear
  70
• 7 Assembly overview - wheel bearing, 18" running gear
  75
• 7.1 Removing and installing wheel bearing unit for 18"/19" running gear
  77
• 7.2 Repairing wheel bearing unit
  81
• 8 Assembly overview: anti-roll bar
  85
• 8.1 Removing and installing anti-roll bar
  86
• 8.2 Removing and installing coupling rod
  88
• 8.3 Removing and installing bush for anti-roll bar
  91
• 9 Assembly overview - front steel spring strut
  95
• 9.1 Assignment of spacers
  96
• 9.2 Installation position of spacers
  97
• 9.3 Removing and installing steel spring strut
  97
• 9.4 Repairing front steel spring strut
  101
• 10 Front air spring strut
  107
• 10.1 Instructions for repairing air spring struts
  107
• 10.2 Air spring strut
  107
• 10.3 Pressure retention valve
  107
• 10.4 Gaskets and seals
  108
• 10.5 Nuts and bolts
  108
• 10.6 Front air spring strut components
  108
• 10.7 Assembly overview - front air spring strut
  110
• 10.8 Removing and installing air spring strut
  111
• 10.9 Repairing front air spring strut
  115
• 10.10 Removing and installing pressure retention valve
  123
• 11 Assembly overview: drive shaft
  126
• 11.1 Loosening and tightening 12-point nut securing drive shaft
  127
• 11.2 Removing and installing drive shaft
  128
• 11.3 Dismantling and assembling drive shaft
  134
• 11.4 Checking outer joint
  139
• Rear suspension
  141
• 1 Evaluating accident vehicles
  141
• 2 Raising rear axle in unladen state
  142
• 3 Overview - rear axle
  144
• 4 Assembly overview - subframe, stone-chip protection
  146
• 4.1 Repairing thread in rear longitudinal member
  147
• 4.2 Fixing position of subframe
  148
• 4.3 Removing and installing subframe
  149
• 4.4 Repairing subframe, bonded rubber bushes in direction of travel at front
  153
• 4.5 Repairing subframe, bonded rubber bushes in direction of travel at rear
  157
• 5 Assembly overview - suspension link, track rod
  163
• 5.1 Removing and installing front upper transverse link
  165
• 5.2 Removing and installing upper rear transverse link
  168
• 5.3 Removing and installing track rod
  171
• 5.4 Removing and installing lower transverse link
  174
• 6 Assembly overview: wheel bearing
  179
• 6.1 Removing and installing wheel bearing housing
  181
• 6.2 Repairing wheel bearing housing
  190
• 6.3 Removing and installing wheel bearing unit
  194
• 6.4 Repairing wheel bearing unit
  200
• 7 Assembly overview - rear suspension
  204
• 8 Assembly overview: anti-roll bar
  206
• 8.1 Removing and installing anti-roll bar
  207
• 8.2 Removing and installing anti-roll bar bush
  208
• 8.3 Removing and installing coupling rod
  210
• 9 Assembly overview - steel spring strut
  215
• 9.1 Assignment of spacers
  216
• 9.2 Installation position of spacers
  217
• 9.3 Removing and installing steel spring strut
  217
• 9.4 Repairing rear steel spring strut
  220
• 10 Rear air spring damper
  226
• 10.1 Instructions for repairing air spring struts
  226
• 10.2 Air spring strut
  226
• 10.3 Pressure retention valve
  226
• 10.4 Gaskets and seals
  227
• 10.5 Nuts and bolts
  227
• 10.6 Rear air spring strut components
  227
• 10.7 Assembly overview - rear air spring strut
  229
• 10.8 Removing and installing air spring strut
  229
• 10.9 Replacing bellows for air spring strut
  233
• 10.10 Repairing rear air spring strut
  235
• 10.11 Removing and installing pressure retention valve
  243
• 11 Assembly overview: drive shaft
  246
• 11.1 Loosening and tightening 12-point nut securing drive shaft
  246
• 11.2 Removing and installing drive shaft
  248
• 11.3 Dismantling and assembling drive shaft
  255
• Self-levelling suspension
  258
• 1 Evaluating accident vehicles
  258
• 2 Jacking mode
  259
• 3 Fault finding, air spring strut and self-levelling suspension
  260
• 4 Self-levelling suspension components and fitting locations
  263
• 4.1 Removing and installing adaptive suspension control unit J197
  265
• 4.2 Removing and installing front left and right body acceleration senders G341/G342
  265
• 4.3 Assembly overview - front left/right vehicle level senders G78/G289
  266
• 4.4 Removing and installing front left/right vehicle level sender G78/G289
  267
• 4.5 Assembly overview - rear left/right vehicle level senders G76/G77
  268
• 4.6 Removing and installing rear left/right vehicle level sender G76/G77
  269
• 4.7 Removing and installing accumulator
  270
• 4.8 Filling the accumulator
  271
• 4.9 Repairing air line
  271
• 5 Assembly overview - compressor with adaptive suspension valve block NX7
  274
• 5.3 Removing and installing adaptive suspension valve block NX7
  281
• Wheels, tyres, vehicle geometry
  284
• 1 Evaluating accident vehicles
  284
• 2 Specified torques for wheel bolts
  285
• 3 Vehicle alignment check
  286
• 3.1 General information
  286
• 3.2 Conditions for testing
  288
• 3.3 Test preparations
  288
• 3.4 Wheel alignment specifications
  289
• 3.5 Overview - wheel alignment procedure
  290
• 3.6 Adjusting camber at front wheels
  291
• 3.7 Adjusting camber on rear axle
  292
• 3.8 Adjusting toe at rear axle
  293
• 3.9 Adjusting caster on front axle
  294
• 3.10 Adjusting front axle toe
  295
• 4 Vehicle data sticker
  297
• 5 Adaptive Cruise Control (ACC)
  298
• 5.1 General information on Adaptive Cruise Control (ACC)
  299
• 5.2 Adjusting the automatic distance regulation sensor
  300
• 6 Lane departure warning
  306
• 6.1 General information about lane departure warning
  306
• 6.2 Calibrating the lane departure warning
  306
• Steering
  314
• 1 Evaluating accident vehicles
  314
• 2 Assembly overview - airbag and steering wheel
  315
• 2.1 Removing and installing airbag and steering wheel
  315
• 3 Assembly overview: steering column, left-hand drive
  318
• 3.1 Removing and installing steering column, left-hand drive vehicle
  319
• 3.3 Checking steering column for damage
  326
• 3.4 Removing and installing electronic steering column lock control unit J764
  326
• 4 Assembly overview: steering column, right-hand drive
  330
• 4.1 Removing and installing steering column, right-hand drive vehicle
  331
• 4.3 Checking steering column for damage
  338
• 4.4 Removing and installing electronic steering column lock control unit J764
  338
• 5 Assembly overview: power steering, left-hand drive vehicle
  342
• 5.1 Removing and installing power-assisted steering rack, left-hand drive vehicle
  343
• 6 Assembly overview: power steering, right-hand drive vehicle
  348
• 6.1 Removing and installing power steering rack, right-hand drive vehicle
  349
• 7 Repairing power steering rack
  353
• 7.1 Assembly overview: power steering rack, left-hand drive vehicle
  353
• 7.2 Removing and installing track rod
  354
• 7.3 Removing and installing track rod ball joint
  356
• 7.4 Removing and installing bellows
  358
• 8 Vane pump, 6-cylinder petrol engine
  360
• 8.1 Checking vane pump delivery pressure, 6-cylinder petrol engine
  360
• 8.2 Assembly overview: vane pump, 6-cylinder petrol engine
  362
• 8.3 Removing and installing vane pump, 6-cylinder petrol engine
  363
• 9 Vane pump, 6-cylinder diesel engine
  367
• 9.1 Checking vane pump delivery pressure, 6-cylinder diesel engine
  367
• 9.2 Assembly overview - vane pump, 6-cylinder diesel engine
  370
• 9.3 Removing and installing vane pump, 6-cylinder diesel engine
  372
• 10 Vane pump, 8-cylinder petrol and diesel engine
  376
• 10.2 Assembly overview: vane pump, 8-cylinder petrol and diesel engine
  382
• 10.3 Removing and installing vane pump, 8-cylinder petrol and diesel engine
  384
• 11 Assembly overview: hydraulic lines, 6-cylinder petrol engine
  388
• 12 Assembly overview - hydraulic lines, 6-cylinder diesel engine
  389
• 13 Assembly overview - hydraulic lines, 8-cylinder diesel engine
  390
• 14 Removing and installing oil cooler
  391
• 15 Motor/pump unit
  394
• 15.1 Assembly overview - motor/pump unit
  394
• 15.2 Removing and installing motor/pump unit
  395
• 16 Bleeding steering system and checking for leaks
  398
• 16.1 Bleeding steering system
  398
• 16.2 Check steering system for leaks
  398