1999 LAND ROVER DISCOVERY maintenance

MAINTENANCE
PROCEDURES 10-3
Seats and seat belts
Check
Front seat
Rear seat rear fixings
Rear seat front fixings1.Check seat frames are secured to floor and
show no signs of movement.
2.Check operation of seat slide and tilt
mechanisms, ensuring there is no excessive
play between seat cushion and seat back.
3.Fully extract seat belt and allow it to return
under its own recoil mechanism. Repeat for
other belts.
4. Check entire length of seat belt webbing for
signs of fraying or damage. Repeat for other
belts.

MAINTENANCE
10-4 PROCEDURES
5. Check security of seat belt upper mountings.
6. Check for correct operation of seat belt height
adjusters.
7.Check security of seat belt buckle mountings.
8.Connect each belt to the correct buckle, check
seat buckle and tongue are secure. Release
seat belt buckle and check for correct
operation.9.Check tightness of accessible seat belt fixings.
10.Check tightness of accessible seat belt
mountings.

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.

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.

MAINTENANCE
PROCEDURES 10-7
Road wheel speed sensors
Inspect
Front wheel
Rear wheel
1.Inspect each sensor harness for damage.
Brake fluid
Replace
1.Replace brake fluid.

+ BRAKES, ADJUSTMENTS, Brake
system bleeding.
Fuel filter - diesel engine
Replace
1.Replace filter element.

+ ENGINE MANAGEMENT SYSTEM -
Td5, REPAIRS, Element - fuel filter.
Fuel filter sedimenter
Drain
1.Position suitable container beneath fuel filter.
2.Disconnect multiplug from sedimenter.
3.Rotate sedimenter anti-clockwise until water
flows from drain tube.
4.Allow to drain until diesel fuel flows from drain
tube.
5.Rotate sedimenter fully clockwise.
6.Connect multiplug.

MAINTENANCE
10-8 PROCEDURES
Road wheels
Refit
1.Apply anti-seize compound to wheel hub
centre.
2.Refit road wheels to original hub position.
Tighten wheel nuts to 140 Nm (103 lbf.ft).
Radiator/Intercooler
Check
1.Visually check radiator/intercooler for external
obstructions, remove debris.
2.Visually check fan blades for damage.
Ambient air Temperature and pressure
sensor
Check
1.Check ambient air temperature and pressure
sensor for damage.
Doors, bonnet and fuel filler flap
Check
1.Check operation of each door, door lock,
bonnet catch and fuel filler flap. Ensure doors
close securely.
Lubricate
1.Lubricate door locks, hinges, check straps,
bonnet catch and fuel filler flap.

+ CAPACITIES, FLUIDS,
LUBRICANTS AND SEALANTS,
Lubrication.

MAINTENANCE
PROCEDURES 10-9
Air suspension intake filter
Check
1.Check condition of filter and that filter is clean,
replace if necessary.

+ REAR SUSPENSION, REPAIRS,
Filter - intake - SLS.
Anti-freeze
Replace
1.Replace anti-freeze.

+ COOLING SYSTEM - Td5,
ADJUSTMENTS, Drain and refill.

+ COOLING SYSTEM - V8,
ADJUSTMENTS, Drain and refill.
Cooling system
Check
1.Check cooling, intercooler and heating systems
for leaks; hoses and oil pipes for security and
condition.
2.Check accessible hose clips for tightness.
3.Check coolant level, top-up if necessary.
Top-up
1.With engine cold, remove expansion tank filler
cap.
2.Top-up with recommended mixture of coolant
until level reaches mark on expansion tank.

+ CAPACITIES, FLUIDS,
LUBRICANTS AND SEALANTS, Anti-Freeze
Concentration.
3.Fit expansion tank filler cap.

MAINTENANCE
10-10 PROCEDURES
Spark plugs - V8 engine
Replace
Take great care when fitting spark plugs not
to cross-thread plug, otherwise costly
damage to cylinder head will result. It is
essential that correct grade of spark plugs
are fitted. Incorrect grade of spark plugs
may lead to piston overheating and engine
failure. Use only approved spark plugs, use
of unapproved spark plugs may cause the
misfire detection system to malfunction.
1.Disconnect battery earth lead.
2.Noting their fitted position, disconnect ht leads
from spark plugs.
3.Remove 8 spark plugs.
4.Ensure that gap of new spark plugs is 1.0 ±
0.05 mm (0.040 ± 0.002 in).
Do not attempt to clean or adjust gaps. If a
spark plug problem exists, try substituting
defective spark plug(s) with new one(s).
CAUTION: Do not attempt to clean or adjust
spark plug gaps. If a spark plug problem
exists, try substituting the defective spark
plug with a new one.
5.Fit spark plugs and tighten to 20 Nm (15 lbf.ft).
6.Connect ht leads to spark plugs.
7.Connect battery earth lead.
Air cleaner - V8 engine
Replace
1.Replace air cleaner element.

+ ENGINE MANAGEMENT SYSTEM -
V8, REPAIRS, Element - air filter.
Clean
1.Clean the drain hole in filter casing.
Air cleaner and dump valve - diesel
engine
Replace/clean
1.Replace air cleaner element.

+ ENGINE MANAGEMENT SYSTEM -
Td5, REPAIRS, Element - air filter.
2.Remove all dirt from dump valve.