1999 LAND ROVER DISCOVERY tyre pressure

CONTENTS
CONTENTS 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
Alarm handset battery ..................................................................................................................... 10-6
Road wheels ................................................................................................................................... 10-6
Tyres .............................................................................................................................................. 10-6
Brake pads, discs and calipers ....................................................................................................... 10-6
Road wheel speed sensors ............................................................................................................. 10-7
Brake fluid ....................................................................................................................................... 10-7
Fuel filter - diesel engine ................................................................................................................. 10-7
Fuel filter sedimenter ...................................................................................................................... 10-7
Road wheels ................................................................................................................................... 10-8
Radiator/Intercooler ........................................................................................................................ 10-8
Ambient air Temperature and pressure sensor .............................................................................. 10-8
Doors, bonnet and fuel filler flap ..................................................................................................... 10-8
Air suspension intake filter .............................................................................................................. 10-9
Anti-freeze....................................................................................................................................... 10-9
Cooling system ............................................................................................................................... 10-9
Spark plugs - V8 engine.................................................................................................................. 10-10
Air cleaner - V8 engine ................................................................................................................... 10-10
Air cleaner and dump valve - diesel engine .................................................................................... 10-10
Auxiliary drive belt ........................................................................................................................... 10-11
Auxiliary drive belt - V8 engine ....................................................................................................... 10-11
Auxiliary drive belt - diesel engine .................................................................................................. 10-11
Fluid reservoirs ............................................................................................................................... 10-12
Steering box .................................................................................................................................... 10-13
Battery ............................................................................................................................................. 10-13
Intercooler - diesel engine............................................................................................................... 10-14
Engine oil - V8 engine ..................................................................................................................... 10-14
Engine oil - diesel engine ................................................................................................................ 10-15
Centrifuge rotor – diesel engine ...................................................................................................... 10-15
Engine oil filter - diesel engine ........................................................................................................ 10-16
Engine oil filter – V8 engine ............................................................................................................ 10-16
Manual gearbox .............................................................................................................................. 10-17
Automatic gearbox ......................................................................................................................... 10-18
Transfer box .................................................................................................................................... 10-19
Front and rear axle .......................................................................................................................... 10-20
Propeller shafts ............................................................................................................................... 10-20
Anti-roll bar links ............................................................................................................................. 10-22
ACE actuators ................................................................................................................................. 10-23
ACE filter ......................................................................................................................................... 10-23

GENERAL INFORMATION
03-27
Body Repairs
General
Body shells are of welded construction and bolted to
a chassis frame. Front and rear sections of the shell
are designed as 'energy absorbing' zones. This
means they are designed to deform progressively
when subjected to impact in order to minimise the
likelihood of injury to vehicle occupants.
It is essential that design dimensions and strength
are restored in accident rectification. It is important
that neither structural weakness nor excessive local
stiffness are introduced into the vehicle during body
repair.
Repairs usually involve a combination of operations
ranging from straightening procedures to renewal of
individual panels or panel assemblies. The repairer
will determine the repair method and this decision will
take into account a balance of economics between
labour and material costs and the availability of repair
facilities in both equipment and skills. It may also
involve considerations of the vehicles' downtime,
replacement vehicle availability and repair turn-
around time.
It is expected that a repairer will select the best and
most economic repair method possible, making use
of the facilities available. The instructions given are
intended to assist a skilled body repairer by
expanding approved procedures for panel
replacement. The objective is to restore the vehicle
to a safe running condition by carrying out a repair
which is as close as is feasible to original standard.
The results should not advertise to the experienced
eye that the vehicle has been damaged, although the
repair might not be identical in all respects to the
original factory build. Commercial bodyshop repair
facilities cannot always duplicate methods of
construction used during production.
Operations covered in this Manual do not include
reference to testing the vehicle after repair. It is
essential that work is inspected and suspension
geometry checked after completion. Where
necessary a road test of the vehicle should be carried
out, particularly where safety-related items are
concerned.
Where major units have been disconnected or
removed it is necessary to ensure that fluid levels are
checked and topped up where necessary. It is also
necessary to ensure that the repaired vehicle is in a
roadworthy condition in respect of tyre pressures,
lights, washer fluid etc. Body repairs often involve the removal of mechanical
and electrical units and associated wiring. Where
necessary, refer to the relevant section of the
Workshop Manual for removal and refitting
instructions.
Taking into consideration the differences in body
styles, suspension systems and engine and
transmission layouts, the location of the following
components as applicable to a particular vehicle is
critical:
lFront suspension upper damper mountings on
RH and LH chassis longitudinals.
lFront suspension or sub frame mountings.
lEngine mountings on RH and LH chassis
longitudinals.
lRear suspension upper damper mountings on
RH and LH chassis longitudinals.
lRear suspension mountings or lower pivots.
Additional points which can be used to check
alignment and assembly are:
lInner holes in cross member - side - main floor.
lHoles in front bulkhead.
lHoles in rear longitudinals.
lHoles in rear lower panels.
Apertures for windscreen, rear screen, bonnet and
doors can be measured and checked using the
dimensional information provided and also by
offering up an undamaged component as a gauge.
Straightening
Whenever possible, structural members should be
cold straightened under tension. Do not attempt to
straighten with a single pull but rework the damaged
area using a series of pulls, releasing tension
between each stage and using the opportunity to
check alignment.
Body jig
Unless damage is limited to cosmetic panels, all
repair work to body members must be carried out on
a body jig, to ensure that impact damage has not
spread into more remote parts of the structure.
Mounting on a jig will also ensure that the
straightening and panel replacement procedures do
not cause further distortion.
If original dimensions cannot be satisfactorily
restored by these methods, damaged structural
members should be replaced. Damaged areas
should be cut away using a high speed saw, NOT an
oxy-acetylene torch.
As a rule, body dimensions are symmetrical about
the centre line. A good initial check for distortion is
therefore to measure diagonally and to investigate
apparent differences in dimensions.

GENERAL DATA
04-20
Wheels and tyres
CAUTION: When towing, the additional load imposed may cause the tyre maximum load rating to be
exceeded. This is permissible provided the load rating is not exceeded by more than 15% and that road
speeds are limited to 62 mph (100 km/h) and tyres pressures are increased by at least 3 lbf/in
2 (0.2 bar).
NOTE: The tyre size is displayed on the outer wall of each tyre.
Normal operating conditions: carrying up to 4 passengers and luggage.
Wheel size:
⇒ Steel 7J x 16
⇒ Alloy 7J x 16
8J x 16
8J x 18
Tyre size
⇒ With 7J x 16 wheels 235/70 R16 Wrangler HP 105H
235/70 R16 Michelin XPC * 105H
⇒ With 8J x 16 wheels 255/65 R16 Wrangler HP 109H
255/65 R16 Michelin XPC * 109H
⇒ With 8J x 18 wheels 255/55 R18 Wrangler HP 109H
Tyre Pressures
All tyres - normal operating conditions Front Up to 03MY - 1.9 Bar (28 lbf.in
2)
From 03MY - 2.1 Bar (30 lbf.in2)
Rear 2.6 Bar (38 lbf.in
2)
All tyres - vehicle at GVW Front Up to 03MY - 1.9 Bar (28 lbf.in
2)
From 03MY - 2.1 Bar (30 lbf.in2)
Rear 3.2 Bar (46 lbf.in
2)

MAINTENANCE
10-6 PROCEDURES
Handbrake
Check
1.With the vehicle stationary, on a level surface,
apply and release handbrake and check for
correct operation.

+ BRAKES, ADJUSTMENTS,
Handbrake.
Alarm handset battery
Replace
1.Insert the blade of a small, flat bladed
screwdriver into the slot at the rear of the
handset and prise the back from the handset.
2.Slide the battery out of the clip taking care not
to touch the circuit board or the battery
contacts.
3.Press and hold one of the buttons for at least 5
seconds.
4.Fit the replacement battery ensuring that
correct polarity is maintained (+) side facing
upwards. Avoid touching the flat surfaces of the
battery.
5.Press the 2 halves of the handset together.
6.Check that handset operates correctly.
Road wheels
Remove
1.Mark the wheel to stud relationship to ensure
that the wheels are refitted in the same
position.
2.Loosen wheel nuts. Raise the vehicle to a
wheel-free condition and remove the wheel
nuts.
Tyres
Check
1.Check tyres for compliance with manufacturer's
specification; visually for cuts, lumps, bulges,
uneven tread wear and depth.
2.Check tyre pressures, condition and tread
depth. Measure the tread depth across the
width of the tyre and around the circumference.
Brake pads, discs and calipers
Check
1. Check front and rear brake pads for wear,
ensure all pads are wearing evenly.
2.Check brake discs for signs of cracking,
excessive scoring or oil contamination.
3.Check calipers for signs of fluid leaks.
4.Clean excessive deposits of brake dust from
pads, calipers and disc shields using brake
cleaner.

STEERING
ADJUSTMENTS 57-19
5.Adjust drag link so that taper joint is centralised
in drop arm, then tighten drag link clamp bolts:
Tighten M8 bolts to 22 Nm (16 lbf.ft) and M10
bolts to 33 Nm (24 lbf.ft).
6.Connect drag link to drop arm and tighten nut to
80 Nm (59 lbf.ft).
7.Remove steering box centralising bolt.
8.Remove stand(s) and lower vehicle.
9.Road test the vehicle and check that the
steering wheel is centralised. If steering wheel
is not centralised, proceed as follows.
10.Slacken drag link adjuster clamp bolts.
11.Without disconnecting drag link from drop arm,
adjust the length of the drag link to bring the
steering wheel to the central position.
CAUTION: Repositioning the steering wheel
on its splines cannot correct small (less
than 5°) errors in steering wheel alignment.
Always rectify small errors in alignment by
adjusting the drag link as detailed above,
ensuring that steering box centralisation is
maintained.
12.Tighten drag link clamp bolts: Tighten M8 bolts
to 22 Nm (16 lbf.ft) and M10 bolts to 33 Nm (24
lbf.ft)
Wheel alignment - front
$% 57.65.01
The following is the only wheel alignment equipment
which has been approved.
lBeissbarth ML 4600 wheel alignment computer
(6 sensor).
lBeissbarth ML 4600-8 wheel alignment
computer (8 sensor).
lBeissbarth ML 4000 wheel alignment computer
(8 sensor wireless).
lHunter S411-14.
Check
1.Ensure tyre pressures are correct and vehicle
is at kerbside weight.
2.Roll vehicle backwards and forwards to relieve
stresses in steering and suspension.
3.Ensure road wheels are positioned straight
ahead.
4.Ensure that wheel alignment equipment is
properly calibrated.
5.Following the equipment manufacturer's
instructions, measure the front wheel
alignment. Compare with the figures given in
General Data.

+ GENERAL DATA, Steering.
Adjust
1.Loosen track rod and adjuster clamp bolts.
2.Rotate adjuster to obtain correct alignment.

+ GENERAL DATA, Steering.
3.Tighten track rod and adjuster clamp bolts:
Tighten M8 bolts to 22 Nm (16 lbf.ft) and M10
bolts to 33 Nm (24 lbf.ft).
4.Recheck front wheel alignment.

LIGHTING
ADJUSTMENTS 86-2-1
LIGHTING ADJUST ME NTS
Headlamps beam alignment - up to 03MY
$% 86.40.17
Check
1.Ensure vehicle is unladen and tyres are at
correct pressures.
2. Models with SLS: Ensure vehicle is at
standard ride height.
3. Models with headlamp levelling: Ensure
headlamp levelling switch is set to '0'.
4.Align suitable beam setting equipment to
headlamp.
5.Switch headlamps on and measure main beam
settings. Beam must be 1.4% below the
horizontal and parallel to the vehicle centre line.
If necessary, adjust headlamp to get correct
beam settings.
6.Align beam setting equipment to 2nd headlamp
and repeat check.
7.Switch off headlamps and remove beam setting
equipment.Adjust
1. For RH headlamps: Release fixings and
remove battery cover
2.Remove headlamp access cover.
3.Turn vertical adjuster as necessary to get
correct beam setting. Use a 7 mm Allen key for
models with headlamp levelling, or a 10 mm
spanner for models without headlamp levelling.
4.Turn horizontal adjuster as necessary to get
correct beam setting. Use a 10 mm spanner.
5.Fit headlamp access cover.
6. For RH headlamp adjustment: Fit battery
cover and secure fixings.

LIGHTING
86-2-2 ADJUSTMENTS
Headlamps beam alignment - from 03MY
$% 86.40.17
Check
1.Ensure vehicle is unladen and tyres are set at
the correct pressures.
2. Models with SLS: Ensure vehicle is at the
standard ride height.
3. Models without SLS: Set headlamp leveling
switch to zero.
4.Align beam setting equipment to headlamp.
5.Switch on headlamps. Headlamp setting 1.2%
below horizontal and parallel.
6.Align beam setting equipment to second
headlamp and repeat the check.
Adjust
1.Using a flat blade screwdriver rotate the
headlamp adjusters until correct alignment is
achieved
2.Rotate inboard adjuster for verticle alignment.
3.Rotate outboard adjuster for horizontal
alignment.
4.Adjust 2nd headlamp as detailed above.
5.Switch off headlamps and remove beam setting
equipment.