maintenance LAND ROVER DISCOVERY 2002 User Guide

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

MAINTENANCE
10-8 PROCEDURES
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.
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.

MAINTENANCE
PROCEDURES 10-9
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 AND
LUBRICANTS, Lubrication.
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 AND
LUBRICANTS, 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.

MAINTENANCE
PROCEDURES 10-11
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.
Auxiliary drive belt
Check
TD5 auxiliary belt
V8 auxiliary belt
1Tensioner pulley
2Alternator
3A/C compressor
4ACE pump
5Idler pulley - V8 only
6PAS pump
7Viscous fan pulley
8Crankshaft pulley
9Idler pulley - V8 only
1.Check auxiliary drive belt for signs of splits,
fraying, oil contamination and wear.

MAINTENANCE
10-12 PROCEDURES
Auxiliary drive belt - V8 engine
1.Replace auxiliary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Belt - auxiliary drive.
Auxiliary drive belt - diesel engine
Replace
1.Replace auxiliary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Belt - auxiliary drive.
Fluid reservoirs
Check/top-up — Brake/Clutch reservoir
1.Check fluid level in brake/clutch fluid reservoirs.
2.Clean area around filler cap, remove cap.
3.Top-up if necessary to correct level on reservoir
using recommended fluid.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Fluids.
4.Fit filler cap.
Check/top-up — PAS/ACE reservoirs
1.Check fluid level in PAS and ACE fluid
reservoirs.
2.Clean area around filler cap, remove cap.
3.Top-up if necessary to correct level on reservoir
using recommended fluid.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Fluids.
4.Fit filler cap.

MAINTENANCE
PROCEDURES 10-13
Check/top-up — Washer reservoir
1.Check fluid level in windscreen washer
reservoir.
2.Clean area around filler cap, remove cap.
3.Top-up if necessary to correct level on reservoir
using recommended fluid.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Fluids.
4.Fit filler cap.
Steering box
Check
1.Check steering box for fluid leaks.
Adjust
1.Check that there is no backlash in steering box
with road wheels in straight ahead position.
Adjust if required.

+ STEERING, ADJUSTMENTS,
Steering box - check and adjust.
Battery
Check
1.Check battery condition by checking colour of
condition indicator.
lGreen = O.K.
lBlack = Battery requires charging.
lClear/white = New battery required.
Clean
1.Clean and grease battery terminals with
petroleum jelly.

MAINTENANCE
10-14 PROCEDURES
Intercooler - diesel engine
Remove
1.Remove intercooler.

+ ENGINE MANAGEMENT SYSTEM -
Td5, REPAIRS, Intercooler.
Flush
1.Flush intercooler element using Flushing
Solvent Part No. STC 9713, following the
manufacturer's instructions.
2.Thoroughly dry intercooler ensuring that no
trace of solvent remains in the element.
3.Refit intercooler on completion.

+ ENGINE MANAGEMENT SYSTEM -
Td5, REPAIRS, Intercooler.
Engine oil - V8 engine
WARNING: Avoid excessive skin contact with
used engine oil. Used engine oil contains
potentially harmful contaminants which may
cause skin cancer or other serious skin
disorders.
Replace
1.Position suitable container beneath sump.
2.Clean area around oil drain plug.
3.Remove oil drain plug, discard sealing washer.
4.Allow oil to drain.
5.Fit new sealing washer to oil drain plug.
6.Fit engine drain plug and tighten to 33 Nm (24
lbf.ft).
7.Fill engine with recommended grade of oil to
correct mark on dipstick.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
Engine oil - diesel engine
WARNING: Avoid excessive skin contact with
used engine oil. Used engine oil contains
potentially harmful contaminants which may
cause skin cancer or other serious skin
disorders.
Replace
1.Release fixings, remove underbelly panel.
2.Position suitable container beneath sump.
3.Clean area around drain plug.
4.Remove oil drain plug, discard sealing washer.
5.Allow oil to drain.
6.Fit new sealing washer to oil drain plug.
7.Fit engine drain plug and tighten to 23 Nm (17
lbf.ft).
8.Fill engine with recommended grade of oil to
correct mark on dipstick.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
9.Fit front underbelly panel, secure fixings.

MAINTENANCE
PROCEDURES 10-15
Centrifuge rotor – diesel engine
Replace
1.Replace centrifuge rotor.

+ ENGINE - Td5, REPAIRS, Rotor -
centrifuge.
Engine oil filter - diesel engine
Replace
1.Replace oil filter.

+ ENGINE - Td5, REPAIRS, Filter - oil.
Engine oil filter – V8 engine
WARNING: Avoid excessive skin contact with
used engine oil. Used engine oil contains
potentially harmful contaminants which may
cause skin cancer or other serious skin
disorders.
Replace
1.Disconnect battery.
2.Position suitable container beneath oil filter.
3.Using a strap type filter wrench, remove filter
element, discard element.
4.Smear sealing ring of replacement filter
element with engine oil.
5.Fit filter element, tighten two thirds of a turn by
hand or to 17 Nm (13 lbf.ft).
6.Top-up engine with recommended grade of oil
to correct mark on dipstick.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
7.Connect battery.
8.Run engine and check for oil leaks from filter.
9.Stop engine, wait for oil to return to sump.
10.Re-check oil level and top-up if necessary.

MAINTENANCE
10-16 PROCEDURES
Manual gearbox
WARNING: Avoid excessive skin contact with
mineral oil. Mineral oils remove the natural fats
from the skin, leading to dryness, irritation and
dermatitis.
Check/top-up oil level
1.Release fixings, remove rear underbelly panel.
2.Clean area around oil filler/level plug.
3.Remove oil filler/level plug.
4.Check that oil level is to bottom of oil filler/level
plug hole.
5.Top-up level (if required) with recommended oil
to bottom of filler/level plug hole.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
6.Remove all traces of sealant from threads of oil
filler/level plug.
7.Apply Loctite 290 to threads of oil filler/level
plug.
8. Fit manual gearbox filler/level plug and tighten
to 30 Nm (22 lbf.ft).
9.Remove all traces of oil from gearcase.
10.Fit rear underbelly panel, secure fixings.
Replace oil
1.Release fixings, remove rear underbelly panel.
2.Place a suitable container beneath gearbox
drain plug.
3.Clean area around oil filler/level and drain
plugs.4.Remove oil filler/level plug.
5.Remove oil drain plug, remove and discard
sealing washer.
6.Allow oil to drain.
7.Clean magnet in oil drain plug.
8.Fit new sealing washer to oil drain plug.
9.Fit manual gearbox drain plug and tighten to 50
Nm (37 lbf.ft).
10.Fill gearbox with recommended oil to bottom of
filler/level plug hole.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
11.Remove all traces of sealant from threads of oil
filler/level plug.
12.Apply Loctite 290 to threads of oil filler/level
plug.
13. Fit manual gearbox filler/level plug and tighten
to 30 Nm (22 lbf.ft).
14.Remove all traces of oil from gearcase.
15.Fit rear underbelly panel, secure fixings.