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Repairing the wheel bearing, vehicles with front-wheel drive - drum brake
Repairing the wheel bearing, vehicles with front-wheel drive - drum brake
Special tools and workshop equipment required
t  Drive bushing -MP 3-427-
t  Assembly device -MP 5-403-
t  Hub cap extractor -MP 5-404-
t  Puller Kukko -20/2-
t  Puller Kukko -204/1-
   
1 - 4 Nm
2 - Brake drum
t  reset brake before removing the brake drum → Fig.
3 - Cap
t  replace after each removal
t  press off → Fig. and → Fig.
t  inserting → Fig.
4 - Self-locking twelve-point nut 70 Nm +40°
t  replace after each removal
5 - Wheel hub with wheel bearing and pulse rotor
t  only on vehicles with ABS
t  The wheel bearing and the wheel hub are fitted together in one housing
t  this component is maintenance-free and requires no clearance adjustment; adjustment as well as repair work are not possible
t  replace completely after each removal
t  Remove wheel hub with wheel bearing from axle stud → Fig.
t  Pull wheel hub with wheel bearing onto axle stud → Fig. and → Fig.
  Note
t  If the inner ring of the bearing remains on the axle stud after pulling off the wheel hub with wheel bearing, the old inner ring of the bearing must be pulled off before pressing on the new wheel hub with wheel bearing → Fig..
t  The inner ring of the bearing is a component part of the new wheel hub with wheel bearing and is therefore not pressed on separately.
6 - Wheel hub with wheel bearing without pulse rotor
t  only on vehicles without ABS
t  The wheel bearing and the wheel hub are fitted together in one housing
t  this component is maintenance-free and requires no clearance adjustment; adjustment as well as repair work are not possible
t  replace completely after each removal
t  Remove wheel hub with wheel bearing from axle stud → Fig.
  Note
→ Item
t  Pull wheel hub with wheel bearing onto axle stud → Fig. and → Fig.
7 - Axle stud
t  Straightening work is not allowed!
8 - Axle body
t  Straightening work is not allowed!
t  Re-cutting the thread is not allowed

   
Resetting brake
–  To do so, use a screwdriver to push the wedge up through a hole in the brake drum.
–  Remove the brake drum → Chapter.
  S42-0031
Press off cap
–  Release cap from its position by gently tapping the claw.
  S42-0056
Press off cap
  S42-0057
Remove the wheel bearing housing from the axle stud
Use puller (commercially available) Kukko -20/2-.
  S42-0034
Remove inner ring of the bearing from axle stud
Use puller (commercially available) Kukko -204/1-.
  Note
Do not damage the ABS wheel speed sensor when pulling off the inner ring of the bearing.
  S42-0035
Pull wheel hub with wheel bearing onto axle stud
Use assembly device -MP 5-403-.
–  Screw wheel hub with wheel bearing up to the stop onto axle stud.
–  Screw on assembly device -MP 5-403- and pull wheel hub with wheel bearing up to the stop.
  S42-0059
Pull wheel hub with wheel bearing onto axle stud
–  Unscrew assembly device -MP 5-403- and screw on new twelve-point nut and tighten.
–  Install brake drum → Chapter.
  S42-0037
Drive in cap
  Note
t  Replace cap after each removal.
t  Damaged caps allow moisture to penetrate. Therefore absolutely use the shown tool.
  S42-0058
Tightening torques:
Wheel hub with wheel bearing on axle stud70 Nm + 40°

   

Chassis > Rear suspension, drive shaft > Repairing the wheel bearing > Repairing the wheel bearing, vehicles with front-wheel drive - drum brake

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