7-speed dual clutch gearbox 0CW

Chapter overview

• Technical data
  1
• 1 Safety information
  1
• 1.1 General safety provisions
  1
• 1.2 Safety measures when working on vehicles with start/stop system
  1
• 1.4 Safety precautions when tow-starting or towing
  2
• 2 Identification
  3
• 2.1 Gearbox identification
  3
• 3 Repair notes
  4
• 3.1 General information
  4
• 3.2 General repair instructions
  5
• 3.3 Gaskets and seals
  6
• 3.4 Nuts and bolts
  6
• 4 Technical data
  8
• 4.1 Allocation gearbox - engine
  8
• 4.2 Capacities
  8
• 5 Overview - power transmission
  10
• 5.1 Overview - power transmission - front-wheel drive
  10
• Clutch
  11
• 1 Clutch mechanism
  11
• 1.1 Assembly overview - clutch engagement
  11
• 1.2 Removing and installing clutch engagement
  13
• 1.3 Adjusting clutch engagement
  17
• 2 Clutch
  34
• 2.1 Assembly overview - dual clutch
  34
• 2.2 Removing dual clutch
  36
• 2.3 Installing dual clutch
  42
• 2.4 Renewing input shaft seal
  48
• 2.5 Renewing oil seal for inner input shaft
  51
• Controls, housing
  54
• 1 Mechatronic unit
  54
• 1.1 Assembly overview - mechatronic unit
  54
• 1.2 Removing and installing mechatronic unit for dual clutch gearbox J743
  57
• 1.4 Renewing clutch actuator
  77
• 1.5 Renewing control unit for mechatronic unit for dual clutch gearbox J743
  84
• 2 Selector mechanism
  91
• 2.1 Assembly overview - selector mechanism
  91
• 2.2 Manual release from position P
  93
• 2.3 Removing and installing selector lever handle
  94
• 2.4 Moving push-button in the handle to installation position
  97
• 2.5 Removing and installing selector mechanism
  101
• 2.6 Checking selector mechanism
  103
• 2.7 Checking and adjusting selector lever cable
  104
• 2.8 Renewing selector shaft seal
  106
• 3 Removing and installing gearbox
  107
• 3.1 Removing gearbox
  107
• 3.2 Installing gearbox
  128
• 3.3 Specified torques for gearbox
  133
• 4 Assembly mountings
  135
• 4.1 Assembly overview - assembly mountings
  135
• 5 Transporting gearbox
  138
• 6 Securing to engine and gearbox support
  140
• 7 Gear oil
  143
• 7.1 Draining and filling gear oil
  143
• 7.2 Draining and filling hydraulic fluid for mechatronic unit
  146
• Gears, shafts
  150
• 1 Parking lock
  150
• 1.1 Removing and installing cover for parking lock
  150
• 1.2 Removing and installing parking lock
  151
• Final drive - differential
  153
• 1 Oil seals
  153
• 1.1 Overview of fitting locations - oil seals
  153
• 1.2 Renewing left seal
  153
• 1.3 Renewing right seal
  157