Installing Rear Spring Damper

Information 

Recommendation for workshops replacing shock absorbers/spring dampers:

• Dampers can be replaced separately up to a mileage of 30, 000 km or 3 years. 
• If the mileage is > 30, 000 km or the components are more than 3 years old, we recommend replacing them in pairs. 

1. Place spring damper in installation position.
2. Connect and lock electric plug connection for PASM -1-  on the spring damper -2-  .

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   Electric plug connection for PASM on shock absorber

3. Fit spring damper -1-  on the body.

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   Mounting for shock absorber on body

   1. 3.1 Tighten screws -2-  . >Tightening torque 50 Nm (36.9 ftlb.) 
4. Tighten threaded joints in zero position.
   WARNING: Wheel bearing housing raised incorrectly 

   • Risk of crushing 
   • Risk of damage to components 

     → Wear personal protective gear.

     → Do not raise the wheel suspension higher than the normal vehicle position (vehicle resting on wheels).

   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 >VAS 6931 - Transmission and Engine Jack  until the lower trailing arm is horizontal. >Zero position 

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      Zero position

      Information 

      • Loosen or fit nut on the trailing arm using the specified tools. 
   2. 4.2 Tighten threaded joint securing trailing arm to rear axle housing -2-  . >Initial tightening 70 Nm (52 ftlb.)  >Final tightening torque angle + 180° 

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      Mounting for trailing arm on rear axle housing

   3. 4.3 Tighten eccentric threaded joint securing trailing arm to rear axle housing -1-  . >Tightening torque 160 Nm (118 ftlb.) 

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      Mounting for trailing arm on rear axle housing

   4. 4.4 Tighten threaded joint -2-  for upper control arm. >Initial tightening 70 Nm (52 ftlb.)  > Final tightening torque angle + 90° 

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      Mounting for rear upper control arm on wheel bearing housing

5. Secure holder for level sensor -2-  to the trailing arm.

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   Mounting for level sensor holder

   1. 5.1 Tighten screw -1-  . >Initial tightening 3 Nm (2 ftlb.)  > Final tightening + 45°