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Removing and installing wheel bearing housing > < Repairing trailing arm

Leon Mk2

Wheel bearing housing, trailing link (four-wheel drive, subframe made from steel and wheel bearing housing made from aluminium): Assembly overview
Wheel bearing housing, trailing link (four-wheel drive, subframe made from steel and wheel bearing housing made from aluminium): Assembly overview
→ Chapter „Removing and installing wheel bearing housing“
→ Chapter „Renewing bonded rubber bush for wheel bearing housing“
→ Chapter „Removing and installing wheel bearing/wheel hub unit“
   
-Arrow- indicates direction of travel.
1 - Mounting bracket
2 - Cover
3 - Bolt.
q   M12 x 1.5 x 80
q   90 Nm and then turn 90° further
q   Always renew if removed
4 - Coupling rod
q   Connects anti-roll bar to trailing arm/wheel bearing housing
5 - Bolt.
q   90 Nm and then turn 45° further
q   Observe tightening sequence → Fig.
q   Always renew if removed
6 - Trailing arm
q   removing and installing → Chapter
q   Repairs → Chapter
7 - Drive shaft
q   Assembly overview → Chapter
q   removing and installing → Chapter
8 - Multi-point socket head bolt
q   M14 x 1.5 x 45
q   70 Nm and then turn 90° further
q   Always renew if removed
9 - Wheel bearing housing
q   removing and installing → Chapter
q   Installing with wheel bearing housings made from cast steel 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 right speed sensor -G44-/rear left speed sensor -G46-
q   Can be checked in guided fault finding of the vehicle diagnosis, testing and information system -VAS 5051-
q   Before inserting sensor, clean inner surface of bore and coat with lubricating paste -G 000 650-
11 - Hexagon socket head bolt
q   M6 x 16
q   8 Nm
12 - Bonded rubber bush
q   replace → Chapter
13 - Nut
q   M12 x 25
q   45 Nm
q   Self-locking
q   Always renew if removed
14 - Bolt.
q   M10 x 35
q   50 Nm and then turn 45° further
q   Always renew if removed
15 - Bolt.
q   4 Nm
16 - Brake disc
17 - 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.
q   Always renew if removed
18 - Wheel hub with wheel bearing
q   The ABS sensor ring is installed in the wheel bearing
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!
19 - Bolt.
q   M6 x 12
q   12 Nm
20 - Cover plate

   
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

Removing and installing wheel bearing housing > < Repairing trailing arm