Installing Rear Spring Strut (Steel Springs With PASM)

Information 

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Dimension X - lower edge of wing to centre of axle (shown as an example)

• All screws and bolts on the axle must be tightened in vehicle position. Vehicle position means: vehicle standing on its wheels, or the wheel suspension is raised with a universal vehicle lift. Dimension -X- , from lower edge of wing to centre of axle corresponds to vehicle position. For the current height values, please refer to the adjustment values for suspension alignment 

  > WM, 4495TW ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT .

• Visually inspect all parts. 
• Replace self-locking nuts. 
• Replace all expansion screws (screws fitted using torque angle tightening procedure). 
• Use correct tightening torques and torque angle. 

  > WM, 4X00IN TIGHTENING TORQUES FOR REAR AXLE

A second mechanic is needed for installing the spring strut. 

1. Only raise the vehicle as far as required on the lifting platform so that a suitable jack can fit under the wheel bearing housing and a second mechanic can easily reach the luggage compartment floor with a small ladder. > Installing spring strut 
2. Carefully fit the spring strut -1-  at the upper spring-strut mount.
3. When doing so, make sure that the pins -3-  of the rocker bearing -2-  fit exactly into the corresponding bore -4-  on the body.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Upper spring-strut mount

4. Position the jack -2-  as a support under the spring strut -1-  and raise it as far as required -A-  until the installation position of the spring strut no longer changes.

   The rocker bearing must be flush with the body. 

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Installing spring strut

5. A second mechanic -3-  must now climb onto a suitable pedestal -4-  , or small ladder and fit and tighten the top screws -1-  on the spring strut. Final tightening of the top fastening screws to the specified tightening torque is done in Step 11.

   When fitting the screws, make sure that they do not tilt and can be fitted easily.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Securing upper spring strut

6. Raise the vehicle.
7. Insert the spring strut into the wheel bearing housing with the help of the jack.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Supporting the spring strut (shown as an example)

8. Fit the lower spring strut -1-  with the wheel bearing housing -2-  and connecting link -4-  .

   To do this, insert the fastening screw -3-  through the components from behind and fit it.

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Screw securing spring strut and wheel bearing housing

9. Plug in electric plug connection -1-  for the spring strut at the upper spring-strut mount -A-  and lock it -a-  .

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Plug connection for steel springs

10. Lower the vehicle.
11. Then fit the fastening screws -1-  for the upper spring strut to the specified tightening torque.

    The tightening sequence -A, B, C, D-  must be strictly observed!

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Installation sequence for upper spring strut screws

12. Secure the caps -1-  on the top fastening screws for the spring strut at the front.

    Courtesy of PORSCHE CARS NORTH AMERICA, INC.

    Fitting caps