Assembling Rear Spring Strut

→ Do not reach into the danger area.

→ Relieve the tension on components before starting work.

→ Secure components to prevent them from loosening suddenly.

Information 

• When installing new components, always check that they are assigned correctly. 
• Coil springs are only available in pairs  .

1. Clamp the spring strut in a suitable clamping block (tensioning device for MacPherson spring struts). Alternatively, the spring clamp can also be held in a retaining device.
2. Slide the bellows/additional spring assembly onto the piston rod.
3. Push the pretensioned coil spring onto the vibration damper so that the end of the coil spring rests against the stop of the spring plate. Fit the stop plate -7-  at the correct position.
   Fig 1: Removing Rear Axle Spring/Stop Plate

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
4. Fit spring plate (compensating part) with support ring and spring strut mount. Position the support ring correctly. The cut-outs in the support ring must be positioned between the collars of the three fastening pins -arrows-  .
   Fig 2: Locating Support Ring Correct Position

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.
5. Position the spring strut mount. On PASM spring struts, also align the stop plate.
   1. 5.1. Fit stop plate at the correct position (curved side up) and screw a new lock nut onto the piston rod (do not tighten fully yet).
   2. 5.2. The spring strut mount is positioned correctly if the fastening pin on the sloping supporting mount part is flush with the retaining bracket on the damper tube → Fig 3 .
   3. 5.3. Then, on PASM spring struts, align the stop plate with the spring strut mount.

      In other words: there are four depressions in the spring strut mount bearing location. The two cut-outs on the stop plate must be positioned over the two depressions on the spring strut mount.

      Fig 3: Positioning Spring Strut Mount

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.
6. Tighten lock nut on the piston rod to 80 Nm/59 ftlb. (conventional and PASM spring struts).

   Use socket-wrench insert 9630/2  to do this on conversional spring struts. On PASM spring struts, use a suitable socket-wrench insert, e.g. socket-wrench insert for ATF temp. switch assembly Nr.18  .

   When tightening the nut, counter at the piston rod (hexagon socket) or at the two grooves (cut-outs) on the stop plate (for PASM spring struts).

   Tools required: For PASM spring struts, use a retaining tool 9630/1  and for conventional spring struts, use a counter-hold tool 9630  .

   Fig 4: Installing Spring Strut (PASM)

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.