Brake system

Kapitelübersicht

• Materials
  1
• 1 Safety information
  1
• 1.1 Safety measures when working on vehicles with a start/stop system
  1
• 2 Identification
  2
• 2.1 Allocation of PR number - brakes
  2
• 3 Technical data
  4
• 3.1 Technical data for brakes
  4
• 4 Brake test
  9
• 4.1 General information
  9
• 4.2 Checking vehicles with front-wheel drive
  9
• 4.3 Checking electromechanical parking brake
  9
• Anti-lock brake system
  11
• 1 General information
  11
• 2 Overview of fitting locations
  13
• 2.1 Overview of fitting locations - ABS/ESP
  13
• 3 Control unit and hydraulic unit
  16
• 3.1 Assembly overview - control unit and hydraulic unit
  16
• 3.2 Removing and installing ABS control unit J104 and ABS hydraulic unit N55
  18
• 3.3 Separating control unit from hydraulic unit
  34
• 3.4 Fitting control unit to hydraulic unit
  35
• 3.5 Connecting brake lines to hydraulic unit
  37
• 4 Sensors
  39
• 4.1 Assembly overview - speed sensor on front axle
  39
• 4.2 Assembly overview - speed sensor on rear axle
  40
• 4.3 Removing and installing ESP sensor unit G419
  40
• 4.4 Removing and installing speed sensors on front axle G45/G47
  40
• 4.5 Removing and installing speed sensors on rear axle G44/G46
  41
• 4.6 Checking ABS sensor ring
  43
• Brakes - mechanism
  45
• 1 Front brake
  45
• 1.1 Assembly overview - front brake
  45
• 1.2 Removing and installing brake pads
  47
• 1.3 Removing and installing brake caliper
  50
• 1.4 Removing and installing brake carrier
  52
• 1.5 Removing and installing brake disc
  54
• 1.6 Removing and installing brake splash plate
  57
• 2 Rear brake
  60
• 2.1 Assembly overview - rear brakes
  60
• 2.2 Removing and installing brake pads
  62
• 2.3 Removing and installing brake caliper
  68
• 3 Parking brake
  73
• 3.1 Overview of fitting locations - parking brake
  73
• 3.2 Removing and installing control unit for electromechanical parking brake J540
  75
• 3.3 Removing and installing parking brake motor V282/V283
  75
• 4 Brake pedal
  78
• 4.1 Assembly overview - brake pedal
  78
• 4.2 Removing and installing mounting bracket
  80
• 4.3 Separating brake pedal from brake servo
  83
• 4.4 Connecting brake pedal to brake servo
  84
• 4.5 Removing and installing brake pedal
  84
• Brakes - hydraulics
  86
• 1 Front brake caliper
  86
• 1.1 Assembly overview – front brake caliper
  86
• 1.2 Removing and installing brake caliper piston
  87
• 2 Rear brake caliper
  90
• 2.1 Assembly overview – rear brake caliper
  90
• 2.2 Removing and installing protective cap
  91
• 3 Brake servo and brake master cylinder
  95
• 3.1 Assembly overview - brake servo/brake master cylinder
  95
• 3.2 Removing and installing brake light switch
  98
• 3.3 Removing and installing brake servo
  99
• 3.4 Removing and installing brake master cylinder
  105
• 4 Vacuum system
  112
• 4.1 Assembly overview - vacuum pump
  112
• 4.2 Checking non-return valve
  112
• 4.3 Removing and installing vacuum sender G608
  113
• 4.4 Checking vacuum system
  114
• 5 Brake lines
  120
• 5.1 Repairing brake lines
  120
• 6 Hydraulic system
  126
• 6.1 General notes on brake fluid
  126
• 6.2 Pre-bleeding hydraulic system
  126
• 6.3 Bleeding hydraulic system following standard procedure
  129
• 6.4 Subsequent bleeding of hydraulic system
  130
• 6.5 Testing for leaks
  131