Alignment: Specifications
Adjustment Values for Suspension Alignment
Tools:
Vehicle Height with Steel Springs (Except for USA and GTS) With and Without PASM
Information
- The following values relate to the curb weight, i.e. full fuel tank, vehicle with tyre repair kit (or spare wheel, collapsible wheel) and tools, but without driver and without additional weights.
- Tyre pressure in accordance with specifications.
- If the control unit or one of the self-levelling sensors has been replaced, calibration must be carried out using the Porsche System Tester.
Information
As of model year C, the vehicle height on the rear axle is changed for vehicles with steel springs.
Vehicle Height With Steel Springs - USA, With and Without PASM
Information
- The following values relate to the curb weight, i.e. full fuel tank, vehicle with tyre repair kit (or spare wheel, collapsible wheel) and tools, but without driver and without additional weights.
- Tyre pressure in accordance with specifications.
- If the control unit or one of the self-levelling sensors has been replaced, calibration must be carried out using the Porsche System Tester.
Information
As of model year C, the vehicle height on the rear axle is changed for vehicles with steel springs.
Vehicle Height, Air Springs
Information
- The following values relate to the curb weight, i.e. full fuel tank, vehicle with tyre repair kit (or spare wheel, collapsible wheel) and tools, but without driver and without additional weights.
- Tyre pressure in accordance with specifications.
- If the vehicle is a Cayenne with air suspension, it must be adjusted to normal level. Adjust the vehicle from terrain level to normal level. Only align and adjust the vehicle in this position.
- If the control unit or one of the self-levelling sensors has been replaced, calibration must be carried out using the Porsche System Tester.
Adjust vehicle to normal level:
- Stop vehicle and apply brake.
- Close vehicle doors.
- Adjust the vehicle to terrain level. To do this, tap the rocker switch on the centre console in the appropriate direction until the vehicle is set to terrain level.
- Open the door.
- Select normal level.
- Get out and close the door. The vehicle switches to normal level.
- Deactivate the levelling system using the Porsche System Tester.
Do not get back into or out of the vehicle again after setting it to normal level for suspension alignment. This can give false alignment results.
Then adjust to the vehicle's normal level. The middle indicator light next to the rocker switch is permanently on. If a further indicator light should come on, a different level is set.
To avoid level adjustment of the air suspension during alignment, switch off the levelling system and switch it back on again when the work is complete.
Wheel Alignment Values, Steel Springs
See requirements for suspension alignment.
WARNING
Steering-angle sensor not calibrated or calibrated incorrectly
- Unexpected vehicle handling
- Steering-angle sensor does not function
- Malfunction in steering-angle sensor
-> After working on wheel suspension parts, when replacing the steering-angle sensor and after changing the wheel alignment values, calibrate the steering-angle sensor using PIWIS Tester II 9818.
-> Keep the front wheels in straight-ahead position on the measuring platform during calibration.
-> On vehicles with electromechanical steering, also re-teach the electric steering lock settings.
Information
- The following values relate to the empty weight, i.e. full fuel tank, vehicle with spare wheel (collapsible wheel) and tools, but without driver and without additional weights.
- Tyre pressure in accordance with specifications.
- The toe-difference angle value is also influenced by the vehicle height. For this reason the measured result must be evaluated accordingly. No action is necessary in the case of small deviations from the toe-difference angle's required value as long as the value to the right and left is almost the same.
Wheel Alignment Values, Air Springs
See requirements for suspension alignment.
WARNING
Steering-angle sensor not calibrated or calibrated incorrectly
- Unexpected vehicle handling
- Steering-angle sensor does not function
- Malfunction in steering-angle sensor
-> After working on wheel suspension parts, when replacing the steering-angle sensor and after changing the wheel alignment values, calibrate the steering-angle sensor using PIWIS Tester II 9818.
-> Keep the front wheels in straight-ahead position on the measuring platform during calibration.
-> On vehicles with electromechanical steering, also re-teach the electric steering lock settings.
Information
- The following values relate to the empty weight, i.e. full fuel tank, vehicle with spare wheel (collapsible wheel) and tools, but without driver and without additional weights.
- Tyre pressure in accordance with specifications.
- The toe-difference angle value is also influenced by the vehicle height. For this reason the measured result must be evaluated accordingly. No action is necessary in the case of small deviations from the toe-difference angle's required value as long as the value to the right and left is almost the same.
