Installing Lower Trailing Arm

1. Installation is performed in reverse order.

Fig 1: Lower Trailing Arm Screws Tightening Sequence

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

Mounting for lower trailing arm

Tightening torques:

Lower trailing arm (wishbone) to front-axle cross member -4-  : > Initial tightening 70 N.m (52 ft lb.)  > Final tightening + 180° 

Lower trailing arm (wishbone) to wheel bearing housing (ball joint) -2-  : > Tightening torque 120 N.m (89 ft lb.) 

Lower trailing arm (wishbone) to diagonal arm (longitudinal arm) -3-  : > Tightening torque 160 N.m (118 ft lb.) 

Level sensor to holder on lower trailing arm (wishbone) -1-  : > Tightening torque 10 N.m (7.5 ft lb.)