oil LAND ROVER DISCOVERY 2002 Repair Manual

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
10-14 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.

MAINTENANCE
PROCEDURES 10-17
Automatic gearbox
WARNING: Avoid excessive skin contact with
mineral oil. Mineral oils remove the natural fats
from the skin, leading to dryness, irritation and
dermatitis.
Replace oil filter
1.Replace oil filter.

+ AUTOMATIC GEARBOX - ZF4HP22
- 24, REPAIRS, Filter - oil.
Replace oil
1. Ensure that gearbox is cool. Apply
handbrake and securely chock front and rear
wheels.
2.Place a suitable container beneath gearbox.
3.Clean area around oil filler/level and drain
plugs.
4.Remove oil drain plug, remove and discard
sealing washer.
5.Allow oil to drain.
6.Fit new sealing washer to oil drain plug.
7.Fit automatic gearbox drain plug and tighten to
15 Nm (11 lbf.ft).
8.Remove oil filler/level plug, remove and discard
sealing washer.9.Fill gearbox with recommended oil to bottom of
oil level/filler plug hole.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
10.Select 'P' (Park).
11.Ensure handbrake is applied.
12.Start engine and allow it to idle.
13.Apply footbrake.
14.Move selector lever through all gear positions,
while continuing to fill the gearbox. Select 'P'
(Park).
15.With engine idling, continue filling gearbox until
a 2 mm bead of oil runs from oil filler/level plug
hole.
16.Fit new sealing washer to automatic gearbox
filler/level plug, fit plug and tighten to 30 Nm (22
l b f . f t ) .
17.Stop engine.
18.Remove all traces of oil from gearbox casing.

MAINTENANCE
10-18 PROCEDURES
Transfer box
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 filler/level
plug hole.
5.Top-up level (if required) with recommended oil
to bottom of oil 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 transfer box filler/level plug and tighten to 25
Nm (18 lbf.ft).
9.Remove all traces of oil from main casing.
10.Fit rear underbelly panel (if fitted), secure
fixings.Replace oil
1. Release fixings, remove rear underbelly panel.
2.Place a suitable container beneath transfer box
drain plug.
3.Clean area around oil filler/level and drain
plugs.
4.Remove oil filler/level plug.
5.Remove oil drain plug.
6.Allow oil to drain.
7.Apply Loctite 290 to threads of oil drain plug.
8. Fit transfer box drain plug and tighten to 30
Nm (22 lbf.ft).
9.Fill transfer box with recommended oil to
bottom of oil filler/level plug hole.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
10.Remove all traces of sealant from threads of oil
filler/level plug.
11.Apply Loctite 290 to threads of oil filler/level
plug.
12. Fit transfer box filler/level plug and tighten to 25
Nm (18 lbf.ft).
13. Remove all traces of oil from transfer box.
14.Fit rear underbelly panel (if fitted), secure
fixings.

MAINTENANCE
PROCEDURES 10-19
Front and rear axle
WARNING: Avoid excessive skin contact with
mineral oil. Mineral oils remove the natural fats
from the skin, leading to dryness, irritation and
dermatitis.
Replace oil
1.Place a suitable container beneath differential
housing of axle to be drained.
2.Clean area around oil filler/level and drain
plugs.
3.Remove oil filler/level plug.
4.Remove and discard 'O' ring from oil filler/level
plug.
5.Remove oil drain plug, allow oil to drain.
6.Remove all traces of Loctite from threads of oil
drain plug.
7.Apply Loctite 290 to threads of oil drain plug.
8. Fit axle drain plug and tighten to 64 Nm (47
lbf.ft).
9.Fill differential housing with recommended oil to
bottom of oil filler/level plug hole.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
10.Lubricate a new 'O' ring with recommended oil
and fit to oil filler/level plug.
11.Fit axle filler/level plug and tighten to 10 Nm (7
lbf.ft).
12.Remove all traces of oil from differential
housing.
Propeller shafts
Lubricate
Rear shaft
1.Clean area around front universal joint grease
nipple.
2.Apply recommended grease to the grease
nipple.

+ CAPACITIES, FLUIDS AND
LUBRICANTS, Lubrication.
Front shaft
3.Remove blanking plug adjacent to sliding joint
from propeller shaft.
4.Screw a 1/4in UNF grease nipple into blanking
plug hole.

MAINTENANCE
PROCEDURES 10-23
Power steering, suspension
ACE pipes
1.Check for fluid leaks from power steering and
suspension systems.
2.Check ACE pipes and unions for chafing, leaks
and corrosion and that all pipes and hoses are
correctly routed and secure.
Engine, gearbox, transfer box and axles
Check
1.Check for oil leaks from engine, gearbox
(manual and automatic), transfer box and front
and rear axles; pay particular attention to areas
around oil seals.
Exhaust system
Check
1.Check for signs of exhaust system leaks,
damage and security.
Steering box and front suspension
Check/tighten steering box fixings
1.Check steering box fixings and tighten to 90
Nm (66 lbf.ft).
Check/tighten front axle suspension fixings

ENGINE - TD5
DESCRIPTION AND OPERATION 12-1-3
1Oil dipstick tube
2Screw – oil dipstick tube to camshaft carrier
3Oil dipstick
42nd piston ring
5Piston
6Small-end bush
7Connecting rod
8Big-end bearing cap
9Connecting rod bolt (2 off per connecting rod)
10Top piston ring
11Oil control ring
12Circlips (2 off per gudgeon pin)
13Gudgeon pin
14Big-end bearing shells
15Dowels – cylinder head (2 off)
16Clutch housing shim plate
17 Crankshaft rear oil seal and housing
18Screws – crankshaft seal housing to engine
block (5 off)
19Bolts – clutch housing shim plate to engine
block (2 off)
20Main oil gallery plug (rear)
21Oil filter adaptor gasket
22Oil filter adaptor thermostat
23Oil filter adaptor assembly
24Oil filter adaptor insert25Oil filter adaptor to cylinder block bolts (3 off)
26Oil filter
27Oil pressure switch
28Oil cooler banjo bolts (2 off)
29O-rings – oil cooler banjo bolts (2 off)
30Oil cooler to cylinder block bolts (7 off)
31Centrifuge assembly
32Centrifuge to cylinder block bolts (3 off)
33Centrifuge oil drain pipe
34Oil drain pipe to sump gasket
35Centrifuge to oil drain pipe gasket
36Oil cooler plugs (3 off)
37Oil cooler assembly
38Oil cooler matrix 'O-rings' (2 off)
39Oil cooler matrix
40Oil cooler gasket
41Coolant and PAS pump assembly bracket
42Bracket bolts (5 off + 1 stud/nut)
43Cylinder block
44Dowels to timing block cover (2 off)
45Oil gallery delivery plug
46Cross drilling plug
47Coolant jacket plug
48Core plugs (3 off)

ENGINE - TD5
12-1-4 DESCRIPTION AND OPERATION
Crankshaft, sump and oil pump