Brake systems · Brakes – mechanism · Repairing rear brakes (drum brakes)

Removing and installing rear brakes

  • 1 Axle beam
  • 2 Hexagon socket head bolt, 8 Nm
  • 3 ABS speed sensor
    • Before inserting sensor, clean hole inner surface and coat with high-temperature paste G 052 112 A3.
  • 4 Brake line, 14 Nm
  • 5 Stub axle
  • 6 Handbrake cable
  • 7 Hexagon bolt
    • ⇒ Running gear, axles, steering; Rep. gr. 42; Assembly overview - wheel bearings, drum brakes.
  • 8 Torx bolt, 4 Nm
  • 9 Brake drum
    • Brake drum diameter: 200 mm
    • Wear limit: 201.5 mm.
    • Reset brake before removing brake drum ⇒ 2.2 Resetting brake
    • Clean carefully and check for wear, damage, dimensional accuracy and flawless brake surface.
  • 10 Cap
    • Pressing off and driving in ⇒ Running gear, axles, steering; Rep. gr. 42; Assembly overview - wheel bearings, drum brakes.
  • 11 12-point nut (self-locking)
    • Renew each time after removal ⇒ Running gear, axles, steering; Rep. gr. 42; Assembly overview - wheel bearings, drum brakes.
  • 12 Wheel hub with wheel bearing
    • Removing and installing
  • 13 Brake backplate with brake shoes
    • Minimal thickness of brake lining: 2.5 mm.
    • Checking thickness ⇒ Maintenance; Booklet; Front and rear brake pads/linings: Checking thickness.
    • Reset brake before removing brake drum ⇒ 2.2 Resetting brake