2002 LAND ROVER DISCOVERY headlamp

CONTENTS
20 CONTENTS
Front bulkhead assembly................................................................................................................ 77-2-21
Bonnet locking platform .................................................................................................................. 77-2-22
Front cross member........................................................................................................................ 77-2-23
Headlamp mounting panel - RH ..................................................................................................... 77-2-24
Headlamp mounting panel - LH ...................................................................................................... 77-2-26
Valance upper assembly - LH......................................................................................................... 77-2-27
Valance upper assembly - RH ........................................................................................................ 77-2-29
Valance upper assembly (front section) - LH.................................................................................. 77-2-30
Valance upper assembly (front section) - RH ................................................................................. 77-2-31
Front valance assembly - RH ......................................................................................................... 77-2-32
Front valance assembly - LH ......................................................................................................... 77-2-33
'A' post assembly ............................................................................................................................ 77-2-34
Dash side assembly........................................................................................................................ 77-2-36
Sill outer assembly.......................................................................................................................... 77-2-37
Sill inner assembly .......................................................................................................................... 77-2-38
'B/C' post assembly ........................................................................................................................ 77-2-39
Panel body side assembly .............................................................................................................. 77-2-40
Body side inner rear assembly ....................................................................................................... 77-2-42
'D' post outer assembly................................................................................................................... 77-2-43
Wheelarch rear outer assembly ...................................................................................................... 77-2-44
'E' post assembly ............................................................................................................................ 77-2-45
'E' post closing assembly ................................................................................................................ 77-2-46
Cross member outer rear panel ...................................................................................................... 77-2-46
Cross member outer rear panel (centre section) ............................................................................ 77-2-47
Cross member outer rear panel (RH/LH section) ........................................................................... 77-2-48
Cross member closing rear panel ................................................................................................... 77-2-48
Cross member rear assembly......................................................................................................... 77-2-49
Cross member rear assembly (RH/LH section) .............................................................................. 77-2-49
Rear floor complete assembly ........................................................................................................ 77-2-50
Rear floor (rear section) .................................................................................................................. 77-2-51
Rear floor (RH/LH section) ............................................................................................................. 77-2-52
Roof assembly ............................................................................................................................... 77-2-52
TIMES
TIME SCHEDULES ........................................................................................................................ 77-2-55
BODY SEALING MATERIALS ................................................................. 77-3-1
MATERIALS AND APPLICATIONS
Materials applications ..................................................................................................................... 77-3-1
Approved materials ......................................................................................................................... 77-3-2
Application equipment .................................................................................................................... 77-3-4
CORROSION PREVENTION AND SEALING .......................................... 77-4-1
CORROSION PREVENTION
Cavity wax treatment areas and injection holes - 'A' post and sill .................................................. 77-4-1
Cavity wax treatment area and injection hole - fuel filler neck ........................................................ 77-4-2
Cavity wax treatment areas and injection holes - rear cross member ............................................ 77-4-3
Cavity wax treatment areas and injection holes - front door, rear door and tail door ..................... 77-4-4
Corrosion prevention ...................................................................................................................... 77-4-6
SEALING
Body Sealing................................................................................................................................... 77-4-9
Water leaks ..................................................................................................................................... 77-4-24

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

CONTENTS
CONTENTS 23
Headlamps beam alignment - from 03MY ...................................................................................... 86-2-2
REPAIRS
Lamp - front repeater .................................................................................................................... 86-2-3
Headlamp - up to 03MY .................................................................................................................. 86-2-4
Headlamp - from 03MY .................................................................................................................. 86-2-5
Lamp - tail ..................................................................................................................................... 86-2-6
Lamp - front fog up to 03MY ........................................................................................................... 86-2-6
Lamp - front fog from 03MY ............................................................................................................ 86-2-7
Housing - number plate lamp ......................................................................................................... 86-2-8
Motor - headlamp levelling ............................................................................................................ 86-2-9
Lamp - stop - centre high mounted (CHMSL) .............................................................................. 86-2-10
Lamp - tail/flasher - bumper ............................................................................................................ 86-2-10
Lamp - interior - front .................................................................................................................... 86-2-11
Lamp - interior - rear ..................................................................................................................... 86-2-11
Rheostat - panel lights dimmer ...................................................................................................... 86-2-12
Switch - hazard warning ................................................................................................................. 86-2-13
Switch - indicator and exterior lighting - combined.......................................................................... 86-2-13
Socket - accessory ......................................................................................................................... 86-2-14
Switch - front/rear fog lamps ......................................................................................................... 86-2-14
BODY CONTROL UNIT ............................................................................ 86-3-1
DESCRIPTION AND OPERATION
Description ...................................................................................................................................... 86-3-1
Operation ........................................................................................................................................ 86-3-19
REPAIRS
Body control unit (BCU) .................................................................................................................. 86-3-39
ALARM SYSTEM AND HORN ................................................................. 86-4-1
DESCRIPTION AND OPERATION
Alarm system component layout ..................................................................................................... 86-4-2
Alarm system block diagram ........................................................................................................... 86-4-4
Description ...................................................................................................................................... 86-4-5
Operation ........................................................................................................................................ 86-4-16
REPAIR
Switch - central door locking ......................................................................................................... 86-4-25
Switches - horn ............................................................................................................................. 86-4-25
Vehicle horn .................................................................................................................................. 86-4-26
Sounder - alarm ............................................................................................................................ 86-4-26
Sounder - battery backed-up (BBUS) ............................................................................................. 86-4-27
Switch - bonnet ............................................................................................................................. 86-4-27
Receiver - alarm system - models with sunroof ............................................................................. 86-4-28
Receiver - alarm system - models without sunroof ......................................................................... 86-4-28
Coil - passive immobilisation ......................................................................................................... 86-4-29
WINDOWS ................................................................................................ 86-5-1
DESCRIPTION AND OPERATION

IDENTIFICATION NUMBERS
05-4
Transfer box number
Stamped on the rear of the transfer box casing above
the bottom cover plate.
Front axle number
Stamped on the rear face of the axle tube on the LH
side.Rear axle number
Stamped on the front face of the axle tube on the LH
side.
Body number
Stamped on a label attached to the LH inner wing
behind the headlamp.

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.

EXTERIOR FITTINGS
REPAIRS 76-2-1
EXTERIOR FITTINGS REPAIRS
Wing - front - up to 03MY
$% 76.10.24
Remove
1.Remove front repeater lamp.

+ LIGHTING, REPAIRS, Lamp - front
repeater.
2.Remove front wheel arch liner.

+ EXTERIOR FITTINGS, REPAIRS,
Liner - wheel arch - front.
3.Remove 5 screws securing wheel arch liner
extension to bumper valance and remove liner.
4.Remove side repeater lamp from wing,
disconnect multiplug and remove lamp.5.Remove bolt securing front of wing to bracket
on body.
6.Remove screw securing headlamp surround
panel to wing.
7.Remove nut securing wing to bracket on sill
finisher.

EXTERIOR FITTINGS
76-2-2 REPAIRS
8.Remove 8 bolts securing wing to body and
remove wing.
Refit
1.Position wing to body.
2.Connect side repeater lamp to multiplug and fit
to wing.
3.Position wing to body, align wing to bonnet and
front door so that the correct gaps are achieved
and tighten bolts to 17 Nm (13 lbf.ft).
4.Check alignment of wing to bonnet and front
door. If necessary, adjust wing to achieve
correct gaps.
5.Fit and tighten nut securing wing to bracket on
sill finisher to 17 Nm (13 lbf.ft).
6.Fit and tighten screw securing wing to
headlamp surround panel.
7.Fit and tighten bolt securing front of wing to
bracket on body to 17 Nm (13 lbf.ft).
8.Fit wheel arch liner extension to bumper and
secure with screws.
9.Fit front wheel arch liner.

+ EXTERIOR FITTINGS, REPAIRS,
Liner - wheel arch - front.
10.Fit front repeater lamp.

+ LIGHTING, REPAIRS, Lamp - front
repeater.
Wing - front - from 03MY
$% 76.10.24
Remove
1.Remove the headlamp assembly.

+ LIGHTING, REPAIRS, Headlamp -
from 03MY.
2.Remove the front wheel arch liner.

+ EXTERIOR FITTINGS, REPAIRS,
Liner - wheel arch - front.
3.Remove screw securing wheel arch liner
extension panel to the inner wing.
4.Remove 6 screws securing wheel arch liner
extension panel to the front bumper and
remove the extension panel.
5.Release side repeater lamp from front wing,
disconnect the multiplug and remove the lamp.

EXTERIOR FITTINGS
76-2-4 REPAIRS
12.Fit front wheel arch liner extension panel to the
front bumper and secure with screws.
13.Fit and tighten screw securing front wheel arch
liner extension panel to the inner wing.
14.Fit the front wheel arch liner.

+ EXTERIOR FITTINGS, REPAIRS,
Liner - wheel arch - front.
15.Fit the headlamp assembly.

+ LIGHTING, REPAIRS, Headlamp -
from 03MY.
Rear folding step
$% 76.10.41
Remove
1.Remove 2 bolts securing step and damper
assembly to chassis.
2.Remove step and damper assembly.
3.Remove 2 patch lock nuts securing damper to
step and discard nuts.
4.Remove damper from step.
Refit
1.Fit damper to step and secure with new patch
lock nuts. Tighten nuts to 17 Nm (13 lbf.ft).
2.Position step and damper assembly to chassis
and secure with bolts. Tighten bolts to 45 Nm
(33 lbf.ft).