Installing Wheel Bearing Housing

Information 

• Molub Alloy Paste TA can be ordered using the Porsche Electronic Parts Information (PET). 
• The thread of the drive shaft must not be greased! 

1. Grease drive shaft splines with Molub Alloy Paste TA.
2. Install threaded joint -1-  (do not tighten!).

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   Installing wheel bearing housing

3. Secure tie rod and upper control arm on the wheel bearing housing.

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   Mounting for tie rod and upper control arm

   1. 3.1 Get a second person to hold the wheel bearing housing and drive shaft.
   2. 3.2 Guide drive shaft into the wheel hub.
   3. 3.3 Install threaded joints -1 to 3-  . (Do not tighten!).
4. Tighten threaded joints on the wheel bearing housing in zero position.

   Information 

   Threaded joints must only be tightened in zero position to prevent warping in the bearings.

   1. 4.1 Lift the wheel bearing housing as far as required using lifting equipment (e.g > VAS 6931 - Transmission and Engine Jack  ) until the lower trailing arm is horizontal > Zero position 

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      Zero position

   2. 4.2 Tighten threaded joint securing trailing arm to wheel bearing housing -1-  > Initial tightening 70 Nm (52 ftlb.)  > Final tightening torque angle + 180° 
   3. 4.3 Tighten fastening screw securing tie rod to wheel bearing housing -1-  > Initial tightening 70 Nm (52 ftlb.)  > Final tightening torque angle + 90° 
   4. 4.4 Tighten threaded joint securing upper control arm at the front to wheel bearing housing -2-  > Initial tightening 70 (52m) Nm  > Final tightening torque angle + 90° 
   5. 4.5 Tighten threaded joint securing upper control arm at the rear to wheel bearing housing -3-  > Initial tightening 70 Nm (52 ftlb.)  > Final tightening torque angle + 90° 
5. Install cable holder -1-  .

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   Cable holder mounting

   1. 5.1 Connect electric plug connection to the EPB actuator and lock it.
   2. 5.2 Place sensor for body in installation position.
   3. 5.3 Tighten fastening screw securing cable holder to wheel bearing housing > Tightening torque 8 Nm (6 ftlb.) 
   4. 5.4 Tighten fastening screw securing sensor for body with cable holder to wheel bearing housing > Tightening torque 8 Nm (6 ftlb.) 
6. Install speed sensor -1-  .

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   Speed sensor mounting

   Information 

   • Optitemp can be ordered using the Porsche Electronic Parts Catalogue (PET). 
   • The bore for the speed sensor mounting must be free of dirt. 
   • Do not grease sensor tips! 
   1. 6.1 Lightly grease ribbed area (seat in wheel bearing bore) with Optitemp (Optitemp LG2, 25 ml spraying can).
   2. 6.2 Tighten fastening screw -2-  > Tightening torque 8 Nm (6 ftlb.) 
7. Secure holder for level sensor -2-  to the trailing arm.

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   Mounting for level sensor holder

   1. 7.1 Tighten fastening screw -1-  > Initial tightening 3 (2flb.) Nm  > Final tightening + 45° 
8. Install control arm spoiler -2-  .

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   Control arm spoiler on trailing arm

   1. 8.1 Fit lug of control arm spoiler on the shock absorber threaded joint.
   2. 8.2 Tighten fastening screw -1-  > Tightening torque 8 Nm (6 ftlb.) 
9. Install brake cover panel -1-  .

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   Mounting for brake cover panel

   1. 9.1 Tighten fastening screws -2-  > Tightening torque 8 Nm (6 ftlb.)