Range Rover Classic. Manual — part 173
AIR CONDITIONING
1
SPECIFICATIONS, TORQUE
TORQUE VALUES
NOTE: Torque wrenches should be regularly checked for accuracy to ensure that all fixings are
tightened to the correct torque.
Nm
AIR CONDITIONING
Compressor flange bolts
10
. . . . . . . . . . . . . . . . . . .
Receiver drier union bolts
6
. . . . . . . . . . . . . . . . . . ...
Dual pressure switch
11
. . . . . . . . . . . . . . . . . . . . ..
Pressure pipe union nuts - M16
14
. . . . . . . . . . . . . . . . .
Discharge pipe union nuts - M22
22
. . . . . . . . . . . . . . . ...
Suction pipe union nuts - M24
33
. . . . . . . . . . . . . . . . ...
AIR CONDITIONING CHARGE DATA
Total oil in system
180ml - 6.3 Fl oz
. . . . . . . . . . . . . . . . . . ...
Total refrigerant in system
0.90kg - 32 Fl oz
. . . . . . . . . . . . . . . ..
WIPERS AND WASHERS
1
FAULT DIAGNOSIS
WIPER MOTOR CHECKING
NOTE: These instructions apply to
Windscreen and Tailgate wiper motors.
If unsatisfactory operation of wiping equipment is
experienced, a systematic check to determine fault
should be carried out:
1. Check blades for signs of excessive friction. This
reduces wiping speed of motor and cause
increased current draw which may damage
armature. Check by substitution.
2. Check windscreen wiper motor light running
current and speed with motor coupling link
disconnected from wiper shaft transmission
linkage.
Check tailgate glass wiper motor with wiper connected
and glass wet. Connect an ammeter in series with
motor supply. Measure current consumption when
motor is switched on. Check operating speed by
timing speed of rotation of motor coupling link. The
results should compare with figures given in ’General
Specification Data’.
NOTE: If vehicle wiring connections are
disconnected and an alternative supply
source is applied it is essential that
correct polarity is observed. Failure to observe
this will cause motor to rotate in reverse direction,
which may result in limit switch contacts being
damaged.
3. If motor does not run satisfactorily or takes
higher than normal current, a fault exists and
must be remedied.
4. If current consumption and speed of motor are
satisfactory. A check should be carried out for
proper functioning of transmission linkage and
wiper arm shafts.
NOTE: Service parts are not available for
windscreen and tailgate wiper motors with
exception of windscreen wiper rotary
connecting link.
WIPERS AND WASHERS
1
REPAIR
WASHER RESERVOIR
Service repair no - 84.10.03.
Remove
1. Loosen hose clamp and remove power wash
hose.
2. Disconnect tubing from washer pumps.
3. Disconnect electrical leads from pumps and low
level warning unit.
4. Remove 3 bolts and withdraw reservoir.
Refit
5. Reverse removal procedure.
POWER WASH PUMP
Service repair no - 84.20.21.
Remove
1. Disconnect hose from power wash pump.
2. Disconnect electrical leads from pump.
3. Remove two screws and withdraw power wash
pump.
Refit
4. Reverse removal procedure.
84
WIPERS AND WASHERS
2
REPAIR
WASHER PUMP - WINDSCREEN OR TAILGATE
Service repair no - 84.10. 21.
Remove
1. Disconnect washer tubing from pump.
2. Disconnect electrical leads from pump.
3. Pull top of pump away from its location in
reservoir and remove pump. Note position of
sealing gasket in reservoir.
Refit
4. Reverse removal procedure.
HEATED WINDSCREEN WASHER JETS
Service repair no - 84.10. 09.
Remove
NOTE: The thermostat will close at 4˚C æ
3˚C and re-open at 10˚C æ 3˚C.
1. Disconnect battery negative lead.
2. Disconnect electrical connection at plug.
3. Withdraw washer tube from jet.
4. Push jet upwards to remove from its mounting.
5. Remove washer jet mounting from bonnet[hood],
if necessary.
Refit
6. Reverse removal procedure.
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