Installing Lower Trailing Arm

Information 

Once PDCC is ready for operation, chassis adjustments can be made. To avoid injury/crushing, only work near the anti-roll bar, lower trailing arms and bellows of the steering gear without establishing operational readiness and always allow for the run-on time of 60 seconds.

1. Install lower trailing arm -1-  .
   1. 1.1  Position lower trailing arm -1-  in supports.
   2. 1.2  Insert screws -5 to 7-  .

      For screw 5: Turn steering to full lock and protect the joint boot! 

   3. 1.3  Screw on nuts -2 to 4-  .

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Lower trailing arm

2. Secure lower trailing arm -1-  to the wheel bearing housing -2-  .
   1. 2.1  Fit joint pin -4-  for lower trailing arm -1-  on the wheel bearing housing -2-  .
   2. 2.2  Screw on and tighten nut on joint pin -3-  and counter at the joint pin -4-  at the same time.

      > Tightening torque 130 Nm (96 ftlb.) 

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Lower trailing arm on wheel bearing housing

      Information 

      Threaded joints must only be tightened in zero position. Otherwise, warping can occur in the bearings.

3. Lift the wheel suspension to zero position using lifting equipment (e.g. > VAS 6931 - engine and gearbox jack  ). > Zero position (shown on rear axle as an example) 

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.

   Zero position (shown on rear axle as an example)

4. Tighten threaded joint securing lower trailing arm to front-axle carrier.
   1. 4.1  Tighten nut -2-  and counter at screw -5-  .

      > Tightening torque 160 Nm (118 ftlb.) 

   2. 4.2  Tighten nut -3-  and counter at screw -6-  .

      > Tightening torque 55 Nm (41 ftlb.) 

   3. 4.3  Tighten nut -4-  and counter at screw -7-  .

      > Tightening torque 100 Nm (74 ftlb.) 

      Courtesy of PORSCHE CARS NORTH AMERICA, INC.

      Lower trailing arm