7-speed dual clutch gearbox 0AM

Chapter overview

• Technical data
  1
• 1 Safety information
  1
• 1.1 Safety measures when working on vehicles with a start/stop system
  1
• 1.3 Safety precautions when working on the mechatronic unit
  1
• 1.4 Safety precautions when tow-starting or towing
  3
• 1.5 General safety provisions
  3
• 2 Identification
  4
• 2.1 Gearbox identification
  4
• 3 Repair instructions
  5
• 3.1 General information
  5
• 3.2 General repair instructions
  7
• 3.3 Gaskets and seals
  9
• 3.4 Nuts and bolts
  10
• 3.5 Electrical components
  10
• 4 Technical data
  12
• 4.1 Capacities
  12
• 4.2 Allocation gearbox - engine
  13
• 5 Overview - power transmission
  15
• 5.1 Overview - power transmission - front-wheel drive
  15
• Clutch
  16
• 1 Clutch mechanism
  16
• 1.1 Assembly overview - clutch engagement
  16
• 1.2 Removing and installing clutch engagement
  17
• 1.3 Adjusting clutch engagement
  21
• 2 Clutch
  38
• 2.1 Assembly overview - dual clutch
  38
• 2.2 Installing dual clutch
  40
• 2.3 Removing dual clutch
  47
• 2.4 Renewing input shaft seal
  54
• 2.5 Renewing oil seal for inner input shaft
  56
• Controls, housing
  60
• 1 Mechatronic unit
  60
• 1.1 Assembly overview - mechatronic unit
  60
• 1.2 Removing and installing mechatronic unit
  62
• 1.3 Setting mechatronic unit to removal position by hand
  80
• 1.4 Renewing control unit for mechatronic unit for dual clutch gearbox J743
  83
• 2 Selector mechanism
  90
• 2.1 Assembly overview - selector mechanism
  90
• 2.2 Emergency release from position P
  92
• 2.3 Removing and installing selector mechanism
  92
• 2.4 Checking selector mechanism
  98
• 2.5 Checking and adjusting selector lever cable
  99
• 2.6 Removing and installing selector lever handle
  102
• 2.7 Moving push-button in the handle to installation position
  104
• 2.8 Renewing selector shaft seal
  106
• 3 Removing and installing gearbox
  107
• 3.1 Specified torques for gearbox
  107
• 3.2 Removing gearbox
  107
• 3.3 Installing gearbox
  117
• 4 Assembly mountings
  126
• 4.1 Assembly overview - assembly mountings
  126
• 5 Transporting gearbox
  129
• 6 Dismantling and assembling gearbox
  132
• 7 Securing to engine and gearbox support
  133
• 8 Gear oil
  135
• 8.1 Draining and filling gear oil
  135
• Gears, shafts
  140
• 1 Dismantling and assembling gears and shafts
  140
• 2 Parking lock
  141
• 2.1 Removing and installing cover for parking lock
  141
• 2.2 Removing and installing parking lock
  143
• Final drive - differential
  147
• 1 Seals
  147
• 1.1 Overview of fitting locations - seals
  147
• 1.2 Renewing left seal
  147
• 1.3 Renewing right seal
  152