Air suspension - general technical specifications
Name | Specification |
Body position height: | |
Mode "Off road" | At 55 mm (2.1 inches) higher than usual |
Mode "Access" - can be selected while driving | At 50 mm (1.9 inches) below normal |
Height | Configurable with T4 and special tools |
Height Sensors: | |
Location | 4 per vehicle - one sensor per wheel |
Height sensor arm color coding: | |
Left front and back | WHITE |
Right front and back | black |
Height sensor operating voltage: | |
Supply voltage | 5 V - supply from the air suspension control unit |
Output voltage | Left front and right rear - Drops to 0.5V when compressed. Right front and left rear - Increases to 4.5V when compressed. |
Pneumatic stands: | |
Type | Guided pneumatic element located around a two-tube shock absorber |
Pressure: | |
Normal - front axle | from 800 to 1000 kPa (8.0 to 10.0 bar) (116.0 to 145 lbf/in2) |
Normal - rear axle | from 500 to 800 kPa (5.0 to 8.0 bar) (72.5 to 116.0 lbf/in2) |
burst pressure | 3500 kPa (35 bar) (507.5 lbf/in2) |
Maximum pressure in the pneumatic element - full compression at the full curb weight of the vehicle | Approximately 2700 kPa (27 bar) (391.5 lbf/in2) |
Pneumatic system compressor: | Supplied with dehumidifier, electrically controlled, servo operated exhaust valve and two temperature sensors |
Management is carried out | ECU (electronic control unit) |
Max pressure | 1680 kPa (16.8 bar) (243.6 lbf/in2) |
Receiver: | |
Volume | 9 l (0.31 cu. feet) |
Operating pressure | 1750 kPa (17.5 bar) (253.75 lbf/in2) |
Max working pressure | 2300 kPa (23 bar) (333.5 lbf/in2) |
Receiver valve block | Includes a pressure transducer to monitor the pressure in the pneumatic elements and the receiver |
Valve blocks: | |
front of the car | 2 corner valves, 1 bypass valve - mounted on front bumper mount |
Rear of the car | 2 corner valves, 1 wastegate - installed in the left rear wheel arch |
General specifications
Name | Specification |
Gap between the underside of the rubber boot of the toe-adjustment rod and the body bracket | 10,0 mm (0,393 in) |
Torque Specifications
Description | Nm | lb-ft |
Air Suspension Compressor Bolts | 10 | 7 |
Air Suspension Compressor Bottom Cover Bolts | 10 | 7 |
Voss fitting to the front valve block | 2,5 | 1,7 |
Fitting Voss fastening to the front and rear pneumatic elements | 3,5 | 2,6 |
Voss fitting to the rear valve block | 2,5 | 1,7 |
Fitting Voss fastening to the air suspension receiver | 5 | 4 |
Fitting Voss fastening to the valve block of the air suspension receiver | 2,5 | 1,7 |
Air Suspension Control Unit Bolt | 10 | 7 |
Air suspension reservoir bolts | 23 | 17 |
* Stabilizer bar strut nuts | 115 | 85 |
Bolt of draft of adjustment of a convergence | 175 | 129 |
Nut of fastening of an internal spherical joint of draft of adjustment of a convergence | 133 | 98 |
Nut of draft of adjustment of a convergence | 103 | 76 |
Locknut of draft of adjustment of a convergence | 130 | 96 |
Lower front camber adjustment bolt | 275 | 203 |
Lower caster arm rear bolts | 275 | 203 |
Tie Rod End Lock Nuts | 53 | 39 |
Rear camber adjustment bolts | 133 | 98 |
Nuts for fastening the front and rear air struts to the suspension support cup | 63 | 46 |
Nut and bolt for fastening the front and rear air struts to the lower suspension arm | 300 | 221 |
* Upper nut front and rear air strut | 98 | 72 |
Heat shield fixing bolts | 10 | 7 |
** + axle nut | 350 | 258 |
Wheel speed sensor bolt | 10 | 7 |
Brake disc guard bolts | 10 | 7 |
Wheel hub bolts | 115 | 85 |
* Lower arm ball joint lock nut | 115 | 85 |
* Tie Rod End Ball Joint | 76 | 56 |
Suspension Height Sensor Torx Head Bolts | 2,2 | 1,5 |
Wheel nuts | 140 | 103 |
* It is necessary to install a new nut + After tightening, cotter the nut
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