Installing Spring Strut, Rear

Information 

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Position of suspension/stabilizer on anti-roll bar

• Fit connecting links (suspension/stabilizer) in the central position on the anti-roll bar. 

1. Install spring strut with wheel carrier.
   1. 1.1 Insert spring strut into the wheel carrier.
   2. 1.2 Align the spring strut in such a way that the threaded pin -1-  next to the piston rod -2-  is flush with the shock-absorber pipe clamp -3-  .

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      Aligning spring strut with wheel carrier

   3. 1.3 Insert connecting link (suspension/stabilizer) -3-  and screw on collar nut -5-  (do not tighten).

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      Spring strut in wheel carrier

   4. 1.4 Insert clamping screw -2-  and fit collar nut -6-  (do not tighten).
   5. 1.5 Move spring strut into installation position in the wheel housing and fit and tighten collar nuts -1-  on the spring-strut mount at the top.

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   Collar nuts on upper spring strut

   > Tightening torque 33 N.m (24.3 ft lb.) 

2. Fit drive shaft on the wheel carrier.
   1. 2.1 Check drive shaft.

      Note the following before installing the drive shaft:

      Check inner/outer bellows and replace if necessary.

      Grease the drive shaft toothing with Optimoly HT. 

   2. 2.2 Insert the drive shaft into the wheel carrier and fit the new axle nut (drive-shaft bolt on wheel bearing housing).
3. Install toe control arm and trailing arm.
   1. 3.1 Fit toe control arm -2-  and trailing arm -5-  on the wheel carrier and tighten collar nut -1-  and bolt -4-  .

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   Fastening toe control arm and trailing arm

   Collar nut on toe control arm: > Tightening torque 85 N.m (62.7 ft lb.) 

   Axle guide screw: > Tightening torque 120 N.m (88.5 ft lb.) 

4. Secure the anti-roll bar.
   1. 4.1 Insert connecting link -2-  into the anti-roll bar and fit and tighten collar nut -1-  .

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   Securing stabilizer

   > Initial tightening 40 N.m (29.5 ft lb.)  > Final tightening + 30° 

5. Tighten screws securing spring strut to wheel carrier.

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   Spring strut in wheel carrier

   1. 5.1 Loosen collar nuts -5 and 6-  .
   2. 5.2 Insert spring strut -1-  to the anchor block (do not twist!) and into the wheel carrier.
   3. 5.3 Tighten collar nut -5-  .

      Counter at the hexagon wrench face of the connecting link when tightening the collar nut -Arrow-  .

      > Initial tightening 50 N.m (36.9 ft lb.)  > Final tightening + 180° 

   4. 5.4 Tighten collar nut -6-  .

      > Initial tightening 50 N.m (36.9 ft lb.)  > Final tightening + 180° 

   Information 

   • Brake calliper screws can always be re-used if no damage can be identified. 
   • Replace damaged bolts. 
   • Observe different tightening specifications! 
6. Install rear brake calliper with line bracket.
   1. 6.1 Fit brake calliper together with the holder and fit and tighten screws -Arrows-  .

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      Brake calliper screws

   2. 6.2 When re-using the screws:  > Tightening torque 85 N.m (62.7 ft lb.) 
   3. 6.3 Initial tightening for new screws:  > Initial tightening 30 N.m (22.1 ft lb.)  > Final tightening + 75° 
   4. 6.4 Screw in and tighten screws -6-  securing bracket to wheel carrier.

      > Tightening torque 10 N.m (7.5 ft lb.) 

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      Bracket on wheel carrier

   5. 6.5 Connect and lock electric plug connection for speed sensor -3-  .
   6. 6.6 Plug in and lock electric plug connection for PASM -4-  and clip in cable retainer -5-  at the holder -7-  .
   7. 6.7 Plug in and lock electric plug connection for electric parking brake (EPB) -1-  and clip the line into the cable retainer -2-  .
7. Install brake-disc air guide.

Brake-disc air guide on trailing arm: > Tightening torque 3.2 N.m (2.4 ft lb.)