Range Rover P38
60
FRONT SUSPENSION
NEW RANGE ROVER
4
DESCRIPTION AND OPERATION
Air springs - front and rear
The air springs consist of the following components:
1. Top plate
2. Rolling rubber diaphragm
3. Piston
Front and rear air springs are of similar construction
but are NOT interchangeable. The diaphragm is not
repairable, if failure occurs the complete air spring
must be replaced
Driver controls
Mounted in the centre of the dashboard, the driver
controls consist of an UP/DOWN switch, an INHIBIT
switch and a height setting indicator. For full
description.
See this section.
Relays, fuses
Located in the under bonnet fuse/relay box are 2
relays, plus 10, 20 and 30 amp fuses.
DRIVER CONTROLS
The driver controls are located in the centre of the
fascia. The controls consist of:
1. The HEIGHT CONTROL is a press and release
type rocker switch which is used to select the
required ride height. The vehicle will not respond
until switch is released. All movements selected
by operation of this switch are indicated by the
ride height indicator lights located next to the
switch.
2. The INHIBIT switch is a mechanically latching
switch. When selected it modifies the automatic
height changes of the system, for further details.
See Electrical Trouble Shooting Manual.
Selection of ’inhibit’ is indicated by illumination of
the switch tell-tale lamp, which is also bulb
tested with the ride height indicator.
3. High indicator light.
4. Standard indicator light.
5. Low indicator light.
6. Access indicator light.
7. Instrument pack warning light.
Indicator lights
When the ignition key is turned to position 2 all four
indicator lights, the air suspension warning light and
the inhibit switch will be illuminated continuously.
When the engine is started, the lights will remain
illuminated for 2 seconds, after which the current ride
height will be indicated. Two indicators will be
illuminated if the vehicle is between ride heights, with
the selected height flashing. When the new height is
achieved the indicator will be illuminated constantly
and the previous height indicator extinguished. The
inhibit switch indicator is illuminated while it is
activated. Both switches are illuminated with sidelights
switched on. Additional driver information is given by
the message centre in the instrument pack. For details
of the messages.
See this section.
Air suspension warning lamp
This amber lamp is located in the instrument pack.
The lamp will be constantly illuminated when driving at
high ride height and will flash when vehicle is at
extended height. The lamp will also illuminate if a fault
within the system is detected. A bulb check is
provided when the ignition switch is turned to position
2 and for 2 seconds after vehicle start.