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Changing from wheel housing bearing made from cast steel to wheel bearing housing made from aluminium > < Rear axle in unladen position (four-wheel drive)

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Wheel bearing housing, trailing link (four-wheel drive, subframe made from aluminium and wheel bearing housing made from cast steel): Assembly overview
Wheel bearing housing, trailing link (four-wheel drive, subframe made from aluminium and wheel bearing housing made from cast steel): Assembly overview
→ Chapter „Changing from wheel housing bearing made from cast steel to wheel bearing housing made from aluminium“
→ Chapter „Steering wheel knuckle and trailing arm - Remove and install“
→ Chapter „Renewing bonded rubber bush for wheel bearing housing “
→ Chapter „Wheel hub and bearing assembly: removing and fitting“
→ Chapter „Removing and installing trailing arm with mounting bracket“
→ Chapter „Repairing trailing arm“
   
-Arrow- indicates direction of travel.
1 - Bolt.
q   50 Nm +45°
q   Replace after each removal
2 - Mounting bracket
3 - Bolt.
q   M12 x 1.5 x 80
q   90 Nm + 90°
q   Replace after each removal
4 - Coupling rod
5 - Bolt.
q   90 Nm + 90°
q   Replace after each removal
q   Only wheel bearing housings made from aluminium are available as replacement parts. Therefore, certain parts have to be exchanged and/or installed in addition when replacing → Chapter
6 - Longitudinal transversal swinging arm
q   removing and installing → Chapter
q   Repairs → Chapter
7 - Drive shaft
q   Assembly overview → Chapter
q   removing and installing → Chapter
8 - Bolt.
q   M12 x 1.5 x 45
q   70 Nm + 90°
q   Replace after each removal
9 - Wheel bearing housing
q   Removing → Chapter
q   Installing → Chapter
q   Installing with wheel bearing housings made from aluminium is permissible → Electronic parts catalogue „ETKA“
q   Only wheel bearing housings made from aluminium are available as replacement parts. Therefore, certain parts have to be exchanged and/or installed in addition when replacing → Chapter
10 - Rear speed sensor -G44/G46-
11 - Bolt.
q   9 Nm
12 - Bonded rubber bush
q   replace → Chapter
13 - Nut
q   40 Nm
q   Self-locking
q   Replace after each removal
14 - Cross-head screw
q   4 Nm
15 - Brake disc
16 - Bolt.
q   Different versions available
q   Assignment → Electronic parts catalogue „ETKA“
q   Hexagon bolt = 180 Nm + 180° further
q   Loosening and tightening hexagon bolt for drive shaft → Chapter
  WARNING
t  There are two versions of the twelve-point head bolt, with and without ribbing. Distinguishing features → Fig.
t  When installing the twelve-point bolt, always note which type of screw is used.
t  It must be tightened to the respective tightening torque.
t  The specified torque for twelve-point head bolts »with« ribbing is 70 Nm + 90° when loosening and tightening → Chapter.
t  The specified torque for twelve-point head bolts »without« ribbing is 200 Nm + 180° when loosening and tightening → Chapter.
17 - Wheel hub with wheel bearing
q   The ABS sensor ring is fitted in the wheel hub
q   removing and installing → Chapter
The wheel bearing and wheel hub are assembled in one housing.
This wheel bearing/hub unit is maintenance-free and has zero play. Adjusting and repair work is therefore not possible!
18 - Bolt.
q   10 Nm
q   Only wheel bearing housings made from aluminium are available as replacement parts. Therefore, certain parts have to be exchanged and/or installed in addition when replacing → Chapter
19 - Cover plate
q   Only wheel bearing housings made from aluminium are available as replacement parts. Therefore, certain parts have to be exchanged and/or installed in addition when replacing → Chapter

   
Distinctive features of the twelve-point head bolt with ribbing and the twelve-point head bolt without ribbing.
The twelve-point head bolts can be distinguished by the contact surfaces -arrow A- and -arrow B-.
I - Twelve-point head bolt with ribbing -arrow A-
II - Twelve-point head bolt without ribbing -arrow B-
  N40-10569

Changing from wheel housing bearing made from cast steel to wheel bearing housing made from aluminium > < Rear axle in unladen position (four-wheel drive)