Air Suspension - General Specification

ITEM	SPECIFICATION
Ride height:
Off road 1	40 mm above standard.
Off road 2	75 mm above standard.
Access - reselectable whilst vehicle is moving	50 mm below standard.
High speed	n/a
Trim height	Configured using the Land Rover approved diagnostic system.
Height sensors:
Front location	Mounted to the front suspension towers with mechanical linkages to the upper suspension arms.
Rear location	Mounted to the rear suspension sub-frame with mechanical linkages to the lower suspension arms.
Height sensor operating voltages:
Supply voltage	5 volts - supplied by air suspension control module.
Output voltage	Left-hand front and left-hand rear: Voltage increases with compression and decreases with rebound. Right-hand front and right-hand rear: Voltage decreases with compression and increases with rebound.
Spring/damper module types:
Front	Guided air spring surrounding mono-tube damper.
Rear	Unguided air spring, separate mono-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 )
Air supply unit:	Comprises a piston compressor, 12 volt electric motor, solenoid operated exhaust pilot valve, combined slave exhaust valve and pressure relief valve, and air dryer unit and a temperature sensor.
Controlled by	Air suspension control module.
Working pressure	1650 kPa (16.5 bar)
Maximum pressure	2200 kPa (22 bar)
Air reservoir:
Volume	11 liters
Nominal working pressure	1525-1650 kPa)
Maximum operating pressure	2200 kPa (22 bar) (319 lbf/in² )
Valve blocks:
Front	2 corner valves, 1 cross link valve - all mounted on RH inner wing panel, between the main bulkhead and secondary bulkhead.
Rear	Incorporates pressure sensor to monitor spring and air reservoir pressures, reservoir valve, 2 corner valves, 1 cross link valve - all mounted on the upper rearward RH side of the spare wheel well, beneath rear load space carpet.