2002 LAND ROVER DISCOVERY wipers

CONTENTS
2CONTENTS
IDENTIFICATION NUMBERS .................................................................. 05-1
Vehicle Identification Number ......................................................................................................... 05-1
Identification Number Locations ..................................................................................................... 05-3
TORQUE WRENCH SETTINGS .............................................................. 06-1
Maintenance ................................................................................................................................... 06-1
Engine Td5 ..................................................................................................................................... 06-2
Engine V8 ....................................................................................................................................... 06-4
Emission control - Td5 .................................................................................................................... 06-5
Emission control - V8 ...................................................................................................................... 06-5
Engine management system - Td5 ................................................................................................. 06-5
Engine management system - V8................................................................................................... 06-6
Cooling system ............................................................................................................................... 06-6
Manifolds and exhaust systems - Td5 ............................................................................................ 06-6
Manifolds and exhaust systems - V8 .............................................................................................. 06-7
Clutch.............................................................................................................................................. 06-7
Manual gearbox - R380 .................................................................................................................. 06-8
Transfer box - LT230SE ................................................................................................................. 06-8
Automatic gearbox - ZF4HP22/24 .................................................................................................. 06-9
Propeller shafts ............................................................................................................................... 06-9
Axles ............................................................................................................................................... 06-9
Steering .......................................................................................................................................... 06-10
Front suspension ............................................................................................................................ 06-11
Rear suspension ............................................................................................................................. 06-12
Brakes............................................................................................................................................. 06-12
Restraint systems ........................................................................................................................... 06-13
Body................................................................................................................................................ 06-14
Heating and air conditioning ........................................................................................................... 06-15
Wipers and washers ....................................................................................................................... 06-15
Electrical ......................................................................................................................................... 06-15
LIFTING AND TOWING ........................................................................... 08-1
LIFTING .......................................................................................................................................... 08-1
TOWING ......................................................................................................................................... 08-2
TRANSPORTING ........................................................................................................................... 08-3
CAPACITIES, FLUIDS AND LUBRICANTS ............................................ 09-1
Capacities ....................................................................................................................................... 09-1
Fluids .............................................................................................................................................. 09-2
Anti-Freeze Concentration .............................................................................................................. 09-3
Lubrication ...................................................................................................................................... 09-3
MAINTENANCE ........................................................................................ 10-1
PROCEDURES
V8 engine underbonnet view .......................................................................................................... 10-1
Diesel underbonnet view ................................................................................................................ 10-2
Seats and seat belts ...................................................................................................................... 10-3
Lamps, horns and warning indicators ........................................................................................... 10-5
Wipers and washers ...................................................................................................................... 10-5
Handbrake .................................................................................................................................. 10-6

CONTENTS
22 CONTENTS
Condenser .................................................................................................................................... 82-33
Receiver drier and dual pressure switch......................................................................................... 82-36
ECU - air temperature control ......................................................................................................... 82-37
Sensor - ambient air temperature ................................................................................................ 82-38
Sensor - solar light ........................................................................................................................ 82-38
Sensor - air temperature ............................................................................................................. 82-39
Evaporator, evaporator thermistor and thermal expansion valve (TXV) ........................................ 82-40
Expansion valve - (TXV) - rear ....................................................................................................... 82-42
Evaporator - rear............................................................................................................................. 82-43
Evaporator and motor assembly - rear ........................................................................................... 82-44
Blower motor assembly - rear ......................................................................................................... 82-46
Resistor - blower motor ................................................................................................................. 82-46
Duct - centre - rear.......................................................................................................................... 82-47
WIPERS AND WASHERS ........................................................................ 84-1
DESCRIPTION AND OPERATION
Wipers and washers component layout .......................................................................................... 84-1
Front wiper components ................................................................................................................. 84-2
Rear wiper components .................................................................................................................. 84-3
Washer components ....................................................................................................................... 84-4
Wipers and washers block diagram ................................................................................................ 84-6
Description ...................................................................................................................................... 84-8
Operation ........................................................................................................................................ 84-16
REPAIRS
Reservoir - washer - up to 03MY .................................................................................................... 84-19
Reservoir - washer - from 03MY ..................................................................................................... 84-20
Jet - washer - windscreen ............................................................................................................... 84-21
Pump - washer - screen and headlamp ....................................................................................... 84-21
Motor and linkage - wiper - windscreen .......................................................................................... 84-22
Switch - wiper and washer - windscreen ........................................................................................ 84-23
Jet - washer - headlamp ................................................................................................................ 84-24
Jet - washer - rear screen ............................................................................................................ 84-25
Switch - rear wash .......................................................................................................................... 84-25
Motor - wiper - rear screen ............................................................................................................ 84-26
Switch - wiper - rear - up to 03MY .................................................................................................. 84-27
Switch - wiper - rear - from 03MY ................................................................................................... 84-27
CHARGING AND STARTING ................................................................... 86-1-1
REPAIRS
Alternator - diesel .......................................................................................................................... 86-1-1
Alternator - V8................................................................................................................................. 86-1-2
Belt - auxiliary drive ........................................................................................................................ 86-1-3
Battery ........................................................................................................................................... 86-1-4
Battery carrier ................................................................................................................................ 86-1-4
Starter motor - diesel ...................................................................................................................... 86-1-5
Starter motor - V8 ........................................................................................................................... 86-1-6
LIGHTING.................................................................................................. 86-2-1
ADJUSTMENTS
Headlamps beam alignment - up to 03MY ..................................................................................... 86-2-1

TORQUE WRENCH SETTINGS
06-15
Heating and air conditioning
Wipers and washers
Electrical
TORQUE DESCRIPTION METRIC IMPERIAL
Heater assembly16 Nm (12 lbf.ft)
Compressor bolts 22 Nm (16 lbf.ft)
Blower motor19 Nm (14 lbf.ft)
Compressor to mounting bracket bolts 25 Nm (18 lbf.ft)
A/C pipes to compressor bolts 10 Nm (7 lbf.ft)
Condenser pipe bolt 5 Nm (3.7 lbf.ft)
Receiver drier to bracket bolts 5 Nm (3.7 lbf.ft)
Adaptor block to receiver drier bolt 5 Nm (3.7 lbf.ft)
Evaporator pipe bolts 5 Nm (3.7 lbf.ft)
Dual pressure switch to receiver drier 10 Nm (7 lbf.ft)
Air conditioning pipes to receiver drier bolts 5 Nm (3.7 lbf.ft)
TX valve pressure pipe union 22 Nm (16 lbf.ft)
Evaporator pipe to TXV valve 32 Nm (24 lbf.ft)
Evaporator assembly to body bolts 16 Nm (12 lbf.ft)
High and low pressure pipe, bolts 10 Nm (7 lbf.ft)
Fuel burning heater Torx bolts 25 Nm (18 lbf.ft)
TORQUE DESCRIPTION METRIC IMPERIAL
Link to motor spindle 7 Nm (5.2 lbf.ft)
Front motor assembly 2.5 Nm (1.8 lbf.ft)
Spindle nut 3 Nm (2.2 lbf.ft)
Wiper arm nut13 Nm (10 lbf.ft)
TORQUE DESCRIPTION METRIC IMPERIAL
Alternator support stay 25 Nm (18 lbf.ft)
Alternator lead - Td5 6 Nm (4.4 lbf.ft)
Auxiliary drive belt tensioner bolt 50 Nm (37 lbf.ft)
Alternator pulley80 Nm (59 lbf.ft)
Alternator B+ nut - V8 18 Nm (13 lbf.ft)
Alternator B+ nut - V8 5 Nm (3.7 lbf.ft)
Starter motor - Td5 27 Nm (20 lbf.ft)
Starter motor solenoid 10 Nm (7 lbf.ft)
Starter motor - V8 44 Nm (32 lbf.ft)
Alternator45 Nm (33 lbf.ft)
Starter motor heat shield - V8 10 Nm (7 lbf.ft)
Horn13 Nm (10 lbf.ft)
Battery carrier bolts 28 Nm (21 lbf.ft)

MAINTENANCE
PROCEDURES 10-5
Lamps, horns and warning indicators
Check
1.Switch on side, head and tail lamps and check
operation.
2.Check headlamp levelling operation.
3.Check turn signals and hazard warning lamps
for correct operation.
4.Press brake pedal and check operation of
brake lamps.
5.Check all exterior lamp lenses for clarity and
condition. Pay particular attention to headlamp
lenses for signs of stone chips or damage.
6.Check horn for loud, clear sound.
7.Switch on headlamps (with ignition switch at 'O'
position) and check light reminder warning
operates when door is opened.
8.Check operation of interior courtesy lights.
9.Check operation of all instrument pack warning
and indicator lights.
Wipers and washers
Check
1. Operate screen washer and switch on wipers.
Ensure washer jets are correctly aimed and
check for smooth, smear free operation of
wiper blades across screen at all speeds
including intermittent.
2.Repeat operation for rear screen washers/
wipers.

PANEL REPAIRS
REPAIRS 77-2-21
REPAIRS
Front bulkhead assembly
Remove
1.Disconnect both battery leads, negative lead
first.
2.Disconnect leads/multiplug from alternator.
3.Remove front wing.

+ EXTERIOR FITTINGS, REPAIRS,
Wing - front - up to 03MY.
4.Remove washer reservoir.

+ WIPERS AND WASHERS, REPAIRS,
Reservoir - washer - up to 03MY.
5. Models with A/C: Remove condensor.

+ AIR CONDITIONING, REPAIRS,
Condenser.
6. Diesel models: Remove gearbox fluid cooler.
7.Remove RH and LH headlamps.

+ LIGHTING, REPAIRS, Headlamp - up
to 03MY.
8.Release headlamp levelling motors and
position aside.
9.Release headlamp wiring and position aside.
10.Remove battery.

+ CHARGING AND STARTING,
REPAIRS, Battery.
11.Remove battery tray.
12.Remove air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
Td5, REPAIRS, Air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Air cleaner assembly.
13.Remove 2 earth leads from LH of front
bulkhead.
14.Remove RH horn.

+ ALARM SYSTEM AND HORN,
REPAIR, Vehicle horn.
15. Models with A/C: Release and remove A/C
pipes.
16.Remove RH and LH crush cans.
17.Remove bonnet release cable.
18.Support bonnet in open position
19.Remove bonnet locking mechanism.
20.Remove VIN plate.
21.Remove 2 bolts securing front bulkhead
assembly to chassis.
22.Remove centre braces.Repair
1.Remove existing panel(s), prepare panel joint
faces and install new panel(s) in accordance
with Panel Replacement Procedure. Punch or
drill holes in new panel for plug welding as
shown.
Refit
1.Fit centre braces.
2.Fit 2 bolts securing bulkhead to chassis and
tighten to 45 Nm (33 lbf.ft).
3.Fit VIN plate.
4.Fit bonnet locking mechanism.
5.Fit bonnet release cable.
6.Fit crush cans.
7. Models with A/C: Fit A/C pipes.
8.Fit RH horn.

+ ALARM SYSTEM AND HORN,
REPAIR, Vehicle horn.
9.Fit 2 earth leads to LH of front bulkhead.
10.Fit air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
Td5, REPAIRS, Air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Air cleaner assembly.
11.Fit battery tray.
12.Fit battery. Do not connect leads.

+ CHARGING AND STARTING,
REPAIRS, Battery.
13.Fit headlamp wiring and headlamp levelling
motors.
14.Fit RH and LH headlamps.

+ LIGHTING, REPAIRS, Headlamp - up
to 03MY.
15. Diesel models: Fit gearbox fluid cooler.
16. Models with A/C: Fit condensor.

+ AIR CONDITIONING, REPAIRS,
Condenser.
17.Fit washer reservoir.

+ WIPERS AND WASHERS, REPAIRS,
Reservoir - washer - up to 03MY.

PANEL REPAIRS
REPAIRS 77-2-23
Repair
1.Remove existing panel(s), prepare panel joint
faces and install new panel(s) in accordance
with Panel Replacement Procedure. Punch or
drill holes in new panel for plug welding as
shown.
Refit
1.Fit centre braces.
2.Fit VIN plate.
3.Fit bonnet locking mechanism.
4.Fit bonnet release cable.
5.Fit RH horn.

+ ALARM SYSTEM AND HORN,
REPAIR, Vehicle horn.
6.Fit air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
Td5, REPAIRS, Air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Air cleaner assembly.
7.Fit battery tray.
8.Fit battery. Do not connect leads.

+ CHARGING AND STARTING,
REPAIRS, Battery.
9.Fit headlamp wiring.
10.Fit RH and LH repeater lamps.

+ LIGHTING, REPAIRS, Lamp - front
repeater.
11.Fit RH and LH headlamps.

+ LIGHTING, REPAIRS, Headlamp - up
to 03MY.
12. Diesel models: Fit gearbox fluid cooler.
13. Models with A/C: Fit condensor.

+ AIR CONDITIONING, REPAIRS,
Condenser.
14.Fit bumper assembly.

+ EXTERIOR FITTINGS, REPAIRS,
Bumper assembly - front.
15.Connect leads/multiplug to alternator.
16.Connect battery leads, negative lead last.
Front cross member
Remove
1.Disconnect both battery leads, negative lead
first.
2.Disconnect leads/multiplug from alternator.
3.Remove washer reservoir.

+ WIPERS AND WASHERS, REPAIRS,
Reservoir - washer - up to 03MY.
4. Models with A/C: Remove condensor.

+ AIR CONDITIONING, REPAIRS,
Condenser.
5. Diesel models: Remove gearbox fluid cooler.
6.Remove RH and LH headlamps.

+ LIGHTING, REPAIRS, Headlamp - up
to 03MY.
7.Release headlamp levelling motors and
position aside.
8.Release headlamp wiring and position aside.
9.Remove RH horn.

+ ALARM SYSTEM AND HORN,
REPAIR, Vehicle horn.
10. Models with A/C: Release and remove A/C
pipes.
11.Remove RH and LH crush cans.
12.Remove 2 bolts securing front bulkhead
assembly to chassis.
13.Remove centre braces.
Repair
1.Remove existing panel(s), prepare panel joint
faces and install new panel(s) in accordance
with Panel Replacement Procedure. Punch or
drill holes in new panel for plug welding as
shown.

PANEL REPAIRS
77-2-24 REPAIRS
Refit
1.Fit centre braces.
2.Fit 2 bolts securing bulkhead to chassis and
tighten bolts to 45 Nm (33 lbf.ft).
3.Fit crush cans.
4. Models with A/C: Fit A/C pipes.
5.Fit RH horn.

+ ALARM SYSTEM AND HORN,
REPAIR, Vehicle horn.
6.Fit headlamp wiring and headlamp levelling
motors.
7.Fit RH and LH headlamps.

+ LIGHTING, REPAIRS, Headlamp - up
to 03MY.
8. Diesel models: Fit gearbox fluid cooler.
9. Models with A/C: Fit condensor.

+ AIR CONDITIONING, REPAIRS,
Condenser.
10.Fit washer reservoir.

+ WIPERS AND WASHERS, REPAIRS,
Reservoir - washer - up to 03MY.
11.Connect leads/multiplug to alternator.
12.Connect battery leads, negative lead last.
Headlamp mounting panel - RH
Remove
1.Disconnect both battery leads, negative lead
first.
2.Disconnect leads/multiplug from alternator.
3.Remove front bumper assembly.

+ EXTERIOR FITTINGS, REPAIRS,
Bumper assembly - front.
4. Models with A/C: Remove condensor.

+ AIR CONDITIONING, REPAIRS,
Condenser.
5. Diesel models: Remove gearbox fluid cooler.
6.Remove RH headlamp.

+ LIGHTING, REPAIRS, Headlamp - up
to 03MY.
7.Remove RH repeater lamp.

+ LIGHTING, REPAIRS, Lamp - front
repeater.
8.Release headlamp levelling motor and position
aside.
9.Release headlamp wiring and position aside.
10.Remove battery and battery tray.

+ CHARGING AND STARTING,
REPAIRS, Battery.
11.Remove horn.

+ ALARM SYSTEM AND HORN,
REPAIR, Vehicle horn.
12.Remove RH crush can.
13.Remove 2 bolts securing front bulkhead
assembly to chassis.
14.Remove RH centre brace.

PANEL REPAIRS
77-2-26 REPAIRS
Headlamp mounting panel - LH
Remove
1.Disconnect both battery leads, negative lead
first.
2.Disconnect leads/multiplug from alternator.
3.Remove washer reservoir.

+ WIPERS AND WASHERS, REPAIRS,
Reservoir - washer - up to 03MY.
4. Models with A/C: Remove condensor.

+ AIR CONDITIONING, REPAIRS,
Condenser.
5. Diesel models: Remove gearbox fluid cooler.
6.Remove headlamp.

+ LIGHTING, REPAIRS, Headlamp - up
to 03MY.
7.Remove repeater lamp.

+ LIGHTING, REPAIRS, Lamp - front
repeater.
8.Release headlamp levelling motor and position
aside.
9.Release headlamp wiring and position aside.
10.Remove air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
Td5, REPAIRS, Air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Air cleaner assembly.
11.Remove 2 earth leads from LH of front
bulkhead.
12.Release and remove A/C pipes.
13.Remove crush can.
14.Remove bonnet release cable.
15.Remove 2 bolts securing front bulkhead
assembly to chassis.
16.Remove centre brace.Repair
1.Remove existing panel(s), prepare panel joint
faces and install new panel(s) in accordance
with Panel Replacement Procedure. Punch or
drill holes in new panel for plug welding as
shown.
Refit
1.Fit centre brace.
2.Fit 2 bolts securing bulkhead to chassis and
tighten bolts to 45 Nm (33 lbf.ft).
3.Fit bonnet release cable.
4.Fit crush can.
5. Models with A/C: Fit A/C pipes.
6.Fit 2 earth leads to LH of front bulkhead.
7.Fit air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
Td5, REPAIRS, Air filter assembly.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Air cleaner assembly.
8.Fit battery tray.
9.Fit headlamp wiring and headlamp levelling
motors.
10.Fit repeater lamp.

+ LIGHTING, REPAIRS, Lamp - front
repeater.