Installing Anti-Roll Bar

→ Wear personal protective gear.

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

Information 

The anti-roll bar must be positioned before tightening the fastening screws on the anti-roll-bar mount (= front-axle support). Highest point on anti-roll bar arm to lower edge of longitudinal member, dimension -Y-  .

Dimension -Y-  . → Control value: 165 mm  .

Fig 1: Checking Anti-Roll Bar Dimension - Y

Courtesy of PORSCHE CARS NORTH AMERICA, INC.

This ensures that the position of the anti-roll bar in the support corresponds to the normal vehicle position.

Information 

• All screws and threaded joints 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. Measurement -1- from the lower edge of the wing to the middle of the vehicle axle corresponds to vehicle position. The current height values can be found in →  4495TW ADJUSTMENT VALUES FOR SUSPENSION ALIGNMENT  . Always observe the following points!
  Fig 2: Checking Dimension 1 - Centre Of Wheel To Lower Edge Of Wing (Rear Axle)

  Courtesy of PORSCHE CARS NORTH AMERICA, INC.
• On vehicles with air springs, the respective air spring must be bled using the Porsche System Tester  . → 4301IN BLEEDING AND FILLING THE LEVELLING SYSTEM
• Screws and nuts are Geomet-coated and must not be greased  .

1. Position the anti-roll bar.
2. Install the two clips.
3. Fit the four fastening screws on the anti-roll bar and tighten hand-tight.
4. Fit the fastening screws for the anti-roll bar at the connecting links and tighten hand-tight.
5. Tighten the four fastening screws on the anti-roll bar.
6. Tighten the fastening screws on the anti-roll bar at the connecting links.
7. If installed:  Fit the fastening screws on the air guide -8-  at the left and right. Use a suitable tool to counter the fastening nuts -9-  .
   Fig 3: Identifying Air Guide And Screws

   Courtesy of PORSCHE CARS NORTH AMERICA, INC.