Item |
Specification |
Ride height: |
|
Off road |
55 mm (2.1 in) above standard |
Access - reselectable whilst vehicle is moving |
50 mm (1.9 in) below standard |
Trim height |
Configured using T4 plus special tools |
Height sensors: |
|
Location |
4 per vehicle - one sensor for each wheel |
Height sensor arm colour coding: |
|
Left hand side, front and rear |
WHITE |
Right hand side, front and rear |
BLACK |
Height sensor operating voltages: |
|
Supply voltage |
5 volts - supplied by air suspension ECU |
Output voltage |
Left hand front and right hand rear - Decreases to
0.5 volts with bump travel. Right hand front and left hand rear -
Decreases to 4.5 volts with bump travel |
Spring/damper modules: |
|
Type |
Guided air spring surrounding twin tube damper
|
Pressures: |
|
Normal - Front |
800 to 1000 kPa (8.0 to 10.0 bar) (116.0 to 145.0
lbf/in²) |
Normal - Rear |
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 spring pressure - Full bump at gross
vehicle weight |
Approximately 2700 kPa (27 bar) (391.5 lbf/in²)
|
Air compressor: |
Supplied with air drier, electrically switched,
pilot operated exhaust valve and double temperature sensors |
Controlled by |
ECU |
Maximum pressure |
1680 kPa (16.8 bar) (243.6 lbf/in²) |
Air reservoir: |
|
Volume |
9 litres (0.31 cu.ft) |
Working pressure |
1750 kPa (17.5 bar) (253.75 lbf/in²) |
Maximum operating pressure |
2300 kPa (23 bar) (333.5 lbf/in²) |
Reservoir valve block |
Incorporates pressure sensor to monitor spring and
air reservoir pressures |
Valve blocks: |
|
Front |
2 corner valves, 1 cross link valve - all mounted
on front bumper armature |
Rear |
2 corner valves, 1 cross link valve - all mounted
on left hand rear spring tower |