1999 LAND ROVER DISCOVERY headlamp

CONTENTS
22 CONTENTS
PANEL REPAIRS...................................................................................... 77-2-1
REPLACEMENT PANELS
Replacement panels ....................................................................................................................... 77-2-1
Front end inner panels .................................................................................................................... 77-2-2
Valance panels .............................................................................................................................. 77-2-3
Body side panels ............................................................................................................................ 77-2-4
Body side assembly ........................................................................................................................ 77-2-5
'D'-post assembly............................................................................................................................ 77-2-6
Rear floor assembly. ....................................................................................................................... 77-2-7
Rear end panels ............................................................................................................................ 77-2-8
Front and rear doors ....................................................................................................................... 77-2-9
Taildoor ........................................................................................................................................... 77-2-10
Roof panels..................................................................................................................................... 77-2-11
Replacement panels ....................................................................................................................... 77-2-12
PROCEDURES
General welding precautions .......................................................................................................... 77-2-13
Electronic control units.................................................................................................................... 77-2-14
PROCEDURES
Panel replacement procedure......................................................................................................... 77-2-15
REPAIRS
Front bulkhead assembly................................................................................................................ 77-2-21
Bonnet locking platform .................................................................................................................. 77-2-23
Front cross member........................................................................................................................ 77-2-24
Headlamp mounting panel - RH ..................................................................................................... 77-2-25
Headlamp mounting panel - LH ...................................................................................................... 77-2-26
Valance upper assembly - LH......................................................................................................... 77-2-28
Valance upper assembly - RH ........................................................................................................ 77-2-29
Valance upper assembly (front section) - LH.................................................................................. 77-2-30
Valance upper assembly (front section) - RH ................................................................................. 77-2-32
Front valance assembly - RH ......................................................................................................... 77-2-33
Front valance assembly - LH ......................................................................................................... 77-2-34
'A' post assembly ............................................................................................................................ 77-2-35
Dash side assembly........................................................................................................................ 77-2-37
Sill outer assembly.......................................................................................................................... 77-2-38
Sill inner assembly .......................................................................................................................... 77-2-39
'B/C' post assembly ........................................................................................................................ 77-2-40
Panel body side assembly .............................................................................................................. 77-2-41
Body side inner rear assembly ....................................................................................................... 77-2-43
'D' post outer assembly................................................................................................................... 77-2-44
Wheelarch rear outer assembly ...................................................................................................... 77-2-45
'E' post assembly ............................................................................................................................ 77-2-46
'E' post closing assembly ................................................................................................................ 77-2-47
Cross member outer rear panel ...................................................................................................... 77-2-47
Cross member outer rear panel (centre section) ............................................................................ 77-2-48
Cross member outer rear panel (RH/LH section) ........................................................................... 77-2-49
Cross member closing rear panel ................................................................................................... 77-2-49
Cross member rear assembly......................................................................................................... 77-2-50
Cross member rear assembly (RH/LH section) .............................................................................. 77-2-50
Rear floor complete assembly ........................................................................................................ 77-2-51
Rear floor (rear section) .................................................................................................................. 77-2-52
Rear floor (RH/LH section) ............................................................................................................. 77-2-53
Roof assembly ............................................................................................................................... 77-2-53
TIMES
TIME SCHEDULES ........................................................................................................................ 77-2-55

CONTENTS
CONTENTS 25
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 ........................................................................................................................................ 84-17
REPAIRS
Reservoir - washer - up to 03MY .................................................................................................... 84-21
Reservoir - washer - from 03MY ..................................................................................................... 84-22
Jet - washer - windscreen ............................................................................................................... 84-23
Pump - washer - screen and headlamp ....................................................................................... 84-24
Motor and linkage - wiper - windscreen .......................................................................................... 84-25
Switch - wiper and washer - windscreen ......................................................................................... 84-26
Jet - washer - headlamp ................................................................................................................ 84-27
Jet - washer - rear screen ............................................................................................................ 84-27
Switch - rear wash .......................................................................................................................... 84-28
Motor - wiper - rear screen ............................................................................................................. 84-29
Switch - wiper - rear - up to 03MY .................................................................................................. 84-30
Switch - wiper - rear - from 03MY ................................................................................................... 84-30
CHARGING AND STARTING ................................................................... 86-1-1
REPAIRS
Alternator - diesel .......................................................................................................................... 86-1-1
Alternator - V8 ................................................................................................................................. 86-1-3
Belt - auxiliary drive ......................................................................................................................... 86-1-4
Battery ............................................................................................................................................ 86-1-4
Battery carrier ................................................................................................................................ 86-1-5
Starter motor - diesel ...................................................................................................................... 86-1-6
Starter motor - V8 ........................................................................................................................... 86-1-7

CONTENTS
26 CONTENTS
LIGHTING.................................................................................................. 86-2-1
ADJUSTMENTS
Headlamps beam alignment - up to 03MY ..................................................................................... 86-2-1
Headlamps beam alignment - from 03MY ...................................................................................... 86-2-2
REPAIRS
Lamp - front repeater - up to 03MY ................................................................................................ 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) .................................................................................................................. 86-3-35
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 ........................................................................................................................................ 86-4-17
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

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.
3.Check all wiper blades for condition and signs
of splits or damage.
4.Check security of wiper arms.

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 - up to 03MY.
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 - up to 03MY.
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
Refit
1.Clean front wing body mounting brackets.
2.Fit and secure the front wheel arch finisher to
the front wing.
3.Position lower support bracket to the front wing,
fit nut and tighten to 8 Nm (6 lbf.ft).
4.Position front wing to body, fit bracket and bolts
but do not tighten at this stage.
5.Check and adjust alignment of the front wing to
the bonnet and door.
6.Tighten the front wing retaining bolts to 8 Nm (6
lbf.ft).
7.Fit bonnet sealing rubber to the front wing
flange.
8.Fit bolt securing lower support bracket to the
body and tighten to 8 Nm (6 lbf.ft).
9.Fit nut securing sill finisher to the front wing
lower support bracket and tighten to 8 Nm (6
lbf.ft).
10.Fit bolt securing front wing to the front support
bracket and tighten to 8 Nm (6 lbf.ft).
11.Fit side repeater lamp to the front wing and
connect the multiplug.
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).