ac compre LAND ROVER DISCOVERY 2002 User Guide

GENERAL DATA
04-1
GENERAL DATA
Engine - Td5
General
Type 2.5 litre in-line direct injection diesel, turbocharged and intercooled
Cylinder arrangement 5 in-line, No. 1 cylinder at front of engine
Bore 84.450 mm (3.3248 in)
Stroke 88.950 mm (3.5020 in)
Capacity 2498 cm
3 (152.5 in3)
Firing order 1 - 2 - 4 - 5 - 3
Compression ratio 19.5 : 1
Direction of rotation Clockwise viewed from the front of the engine
Dimensions:

Length 766 mm (30.1 in)

Width 708 mm (27.8 in)

Height 788 mm (31.0 in)
Injection timing Controlled by ECM
Injectors:

Make/Type Lucas EV1

Nominal operating pressure:

Pre EU3 models 1500 bar (21750 lbf.in
2)

EU3 models 1750 bar (25500 lbf.in
2)
Maximum governed speed 4850 rev/min
Maximum overrun speed 5460 rev/min
Idle speed:

Manual gearbox 740 ± 50 rev/min

Automatic gearbox 760 ± 50 rev/min
Glow plugs Beru 12 V. Four plugs in cylinders 1, 2, 3 and 4
Turbocharger Garrett GT 20
Emissions standard:

Pre EU3 models ECD 2

EU3 models ECD 3
Valve timing
Inlet valves:

Opens 14° BTDC

Closes 33° ABDC
Exhaust valves:

Opens 57° BBDC

Closes 14° ATDC

GENERAL DATA
04-2
Lubrication
Type Wet sump, pressure fed
Pump type Eccentric rotor, crankshaft driven integral with stiffener plate.
Filter type:

Primary Centrifuge filter

Secondary Disposable canister with full flow by-pass
Pressure at idle (Cold) 3.0 bar (43.5 lbf.in
2)
Pressure at 3500 rev/min (Hot) 1.5-3.0 bar (21.75-43.5 lbf.in
2)
Relief valve opening pressure 4.0 bar (58 lbf.in
2)
Low oil pressure switch opening pressure 0.2-0.6 bar (3.0-8.8 lbf.in
2)
Crankshaft
Main journal diameter 61.9875-62.0125 mm (2.4404-2.4414 in)
Crankpin journal diameter 53.99-54.01 mm (2.125-2.131 in)
End float 0.020 - 0.250 mm (0.0008 - 0.0098 in)

Main bearings
Quantity 6 (5 main, 1 thrust)

Pistons
Type Graphite compound skirt with combustion chamber in crown
Clearance in cylinder bore.
Measured at bottom of skirt, 90° to gudgeon pin0.172-0.206 mm (0.007-0.008 in)
Diameter
(Measured at right angles to gudgeon pin and 40.0
mm (1.5 in) from bottom of skirt)84.270-85.254 mm (3.321-3.361 in)
Gudgeon pins Fully floating, offset towards piston thrust side
Piston rings
Type: 2 compression, 1 oil control

Upper compression ring Barrel edge, chrome plated

Lower compression ring Taper faced

Oil control ring Bevelled ring with spring
New ring to groove clearance:

Upper compression Not measured

Lower compression 0.050-0.082 mm (0.002-0.003 in)

Oil control 0.050-0.082 mm (0.002-0.003 in)
Piston ring fitted gap in cylinder bore:

Upper compression 0.30-0.45 mm (0.0118-0.0177 in)

Lower compression 0.40-0.60 mm (0.0157-0.0236 in)

Oil control 0.25-0.40 mm (0.0098-0.0157 in)

GENERAL DATA
04-4
Engine - V8
General
Cylinder arrangement 90° V8, numbered from the front of the engine:

Left bank cylinders 1, 3, 5 and 7

Right bank cylinders 2, 4, 6 and 8
Bore 94.00 mm (3.70 in)
Stroke:

4.0 litre

4.6 litre71.04 mm (2.80 in)
81.92 mm (3.22 in)
Capacity:

4.0 litre

4.6 litre3950 cm
3 (241 in3)
4554 cm3 (278 in3)
Firing order 1 - 8 - 4 - 3 - 6 - 5 - 7 - 2
Compression ratio:

Low - 4.0 litre 8.23:1

High - 4.0 and 4.6 litre 9.35:1
Direction of rotation Clockwise viewed from the front of the engine
Maximum power - 4.0 litre:

Low compression ratio 132 kW (177 bhp) at 4750 rev/min

High compression ratio - UK/Japan/ROW 136 kW (182 bhp) at 4750 rev/min

High compression ratio - NAS 140 kW (187 bhp) at 4750 rev/min
Maximum power - 4.6 litre 162 kW (217 bhp) at 4750 rev/min
Maximum engine speed:

Continuous5000 rev/min

Intermittent 5250 rev/min
Weight (fully dressed, wet)

Manual 194 Kg (435 lb)

Automatic 179 Kg (402 lb)
Dimensions:

Length - Manual 767 mm (30.2 in) (Including fan)

Length - Automatic 777 mm (30.5 in) (Including fan and drive plate)

Width 652 mm (25.7 in)

Height 746 mm (29.4 in)
Spark plugs:

Make/Type - 4.0 litre Champion RC11 PYP B4

Make/type - 4.6 litre Champion RN11 YCC

Gap - 4.0 and 4.6 litre 1.00 ± 0.05 mm (0.040 ± 0.002 in) Non-adjustable
Coils:

Make Bosch 0221 503 407

Type Twin coils
Fuel injection system:

Make Bosch Motronic 5.2.1 Type 4146

Type Multiport fuel injection, electronically controlled with electro-
mechanical injectors

GENERAL DATA
04-5
Idle speed:

All loads off 660 ± 50 rev/min

Base idle speed Non-adjustable

Idle air control (IAC) valve position Checked via TestBook
CO at idle:

Catalyst vehicles 0.5 %

Non-catalyst vehicles 0.5 - 1.0 %
Valve timing
Inlet valves:

Opens 28° BTDC

Closes 77° ABDC
Exhaust valves:

Opens 66° BBDC

Closes 39° ATDC
Fuel grade:

High compression catalyst vehicles 95 RON minimum unleaded

Low compression catalyst vehicles 91 RON minimum unleaded

Non-catalyst vehicles 97 RON leaded
Lubrication
Type Wet sump, pressure fed
Pump type Crankshaft driven eccentric rotor
Oil filter Disposable canister with full flow by-pass
Pressure at idle - minimum 0.7 bar (10 lbf.in
2)
Pressure at 2000 rev/min (hot) 3.4 bar (50 lbf.in
2)
Relief valve opening pressure 3.4 bar (50 lbf.in
2)
Low oil pressure switch opening pressure 0.24-0.41 bar (3.5-6.0 lbf.in
2)
Crankshaft
Main journal diameter 63.487 - 63.500 mm (2.4995 - 2.520 in)
Crankpin journal diameter 55.500 - 55.513 mm (2.20 - 2.22 in)
End float 0.08 - 0.26 mm (0.003 - 0.010 in)
Maximum ovality 0.040 mm (0.002 in)
Main bearings
Quantity 5
Material Glacier Vandervell / AS 15
Diametrical clearance 0.015 - 0.016 mm (0.00059 - 0.00063 in)
Connecting Rods
Type Horizontally split big-end, plain small end
Distance between centres 155.120 - 155.220 mm (6.1071 - 6.1110 in)

GENERAL DATA
04-6
Big-end bearings
Quantity 8
Material Glacier Vandervell GPL 2120/AS 124A
Diametrical clearance 0.015 - 0.016 mm (0.00059 - 0.00063 in)
End float 0.15 - 0.35 mm (0.0006 - 0.0138 in)
Gudgeon pins
Diameter 23.995 - 24.000 mm (0.9447 - 0.9449 in)
Clearance in piston 0.006 - 0.015 mm (0.00024 - 0.00059 in)
Fit in connecting rod Press fit
Length 60.00 - 60.50 mm (2.362 - 2.382 in)
Pistons
Type Solid skirt, elliptical open end with offset gudgeon pin
Material Aluminium AE413P
Clearance in cylinder bore.
Measured 10 mm (0.4 in) from bottom of skirt, 90° to
gudgeon pin.0.022 - 0.067 mm (0.0009 - 0.0026 in)
Diameter - Grade A 93.970 - 93.985 mm (3.6996 - 3.7002 in)
Diameter - Grade B 93.986 - 94.001 mm (3.7002 - 3.7008 in)
Piston rings
Type: 2 compression, 1 oil control

Top compression ring Barrel faced nitrided steel

2nd compression ring Tapered spherical

Oil control ring 3 piece AE Conoform
Piston ring fitted gap in cylinder bore:

Top compression ring gap 0.3 - 0.5 mm (0.012 - 0.020 in)

2nd compression ring gap 0.40 - 0.65 mm (0.016 - 0.026 in)

Oil control ring gap 0.38 - 1.40 mm (0.015 - 0.055 in)
Piston ring width:

Top compression ring width 1.21 - 1.23 mm (0.0476 - 0.0484 in)

2nd compression ring width 1.478 - 1.490 mm (0.0582 - 0.0587 in)

Oil control ring width 3.00 mm (0.1181 in)
Piston ring to groove clearance:

1st and 2nd compression rings 0.05 - 0.10 mm (0.002 - 0.004 in)
Camshaft
Bearings 5
Drive Chain, 9.52 mm (0.3748 in) pitch x 54 pitches
End float 0.075 - 0.25 mm (0.002 - 0.010 in)
Tappets
Type Hydraulic self adjusting
Outside diameter 21.386 - 21.407 mm (0.8420 - 0.8427 in)

GENERAL DATA
04-17
Air conditioning
Electrical - Td5
Electrical - V8
Type CFC free, sealed closed loop
Compressor:

Displacement 177.7 cm
3/rev (10.84 in3/rev)

Relief valve operating pressure 34.3 to 41.4 bar (497 to 600 lbf.in
2)

Refrigerant oil quantity 180ml (6.3 fl.oz)
Dual pressure switch operating pressures (nominal):

Low pressure switch Opens 2.0 bar (29.0 lbf.in
2), pressure decreasing

Low pressure switch Closes 2.3 bar (33.4 lbf.in
2), pressure increasing

High pressure switch Opens 32 bar (464 lbf.in
2), pressure increasing

High pressure switch Closes 26 bar (377 lbf.in
2), pressure decreasing
System 12 volt, negative earth
Battery:

Type Delco Freedom

Capacity 110 amp hour
Alternator:

Type Nippon Denso

Maximum output 120 amp
Starter motor:

Type Nippon Denso

Power 2 kW
System 12 volt, negative earth
Battery:

Type Delco Freedom

Capacity 72 amp hour
Alternator:

Type Bosch NC65/130

Maximum output 130 amp
Starter motor

Type Nippon Denso

Power 1.8 kW

TORQUE WRENCH SETTINGS
06-2
Engine Td5
TORQUE DESCRIPTION METRIC IMPERIAL
ACE pump bolts25 Nm (18 lbf.ft)
A/C compressor bolts 25 Nm (18 lbf.ft)
Alternator support bracket to cylinder head bolts 25 Nm (18 lbf.ft)
Alternator/vacuum pump oil feed pipe union 10 Nm (7 lbf.ft)
Camshaft cover to camshaft carrier bolts 10 Nm (7 lbf.ft)
Camshaft sprocket to camshaft bolts 37 Nm (27 lbf.ft)
Centrifuge cover bolts 10 Nm (7 lbf.ft)
Centrifuge oil drain pipe to sump bolts (or nuts) 10 Nm (7 lbf.ft)
Centrifuge to oil drain pipe bolts 10 Nm (7 lbf.ft)
Centrifuge to oil cooler housing bolts 25 Nm (18 lbf.ft)
CKP sensor bolt10 Nm (7 lbf.ft)
Coolant pipe bolt50 Nm (37 lbf.ft)
Connecting rod bolts, then a further 80°20 Nm (15 lbf.ft)
Crankshaft pulley bolt 460 Nm (340 lbf.ft)
Crankshaft pulley TV damper bolts 80 Nm (59 lbf.ft)
Crankshaft rear oil seal housing bolts 10 Nm (7 lbf.ft)
Cylinder head bolts initial tighten 30 Nm (22 lbf.ft)
Cylinder head bolts final tighten, then a further 90°, then a further 180° and finally a
further 45°65 Nm (48 lbf.ft)
Dipstick tube to camshaft carrier bolt 10 Nm (7 lbf.ft)
Drive plate (automatic transmission) to crankshaft bolts 115 Nm (85 lbf.ft)
EGR pipe clamp to cylinder head bolt - if fitted 25 Nm (18 lbf.ft)
EGR pipe Allen screws 10 Nm (7 lbf.ft)
Engine mounting (front) to cylinder block bolts 48 Nm (35 lbf.ft)
Engine mounting (front) to chassis nuts 85 Nm (63 lbf.ft)
Engine mounting bracket (rear, LH & RH) to gearbox bolts 85 Nm (63 lbf.ft)
Engine mounting bracket (rear, LH & RH) nuts 45 Nm (33 lbf.ft)
Flywheel to crankshaft (manual transmission) bolts, then a further 90°40 Nm (30 lbf.ft)
Front crossmember bolts 26 Nm (20 lbf.ft)
Fuel connector block bolts 25 Nm (18 lbf.ft)
Fuel cooler to inlet manifold bolts 25 Nm (18 lbf.ft)
Gearbox housing to engine bolts 50 Nm (37 lbf.ft)
Heater pipe to cylinder head bolts 25 Nm (18 lbf.ft)
Main bearing cap bolts then a further 90°33 Nm (24 lbf.ft)
Oil cooler housing to cylinder block bolts 25 Nm (18 lbf.ft)
Oil cooler pipe clip bolts 10 Nm (7 lbf.ft)
Oil filter adaptor housing to oil cooler housing bolts 25 Nm (18 lbf.ft)
Oil pick-up strainer screws 10 Nm (7 lbf.ft)
Oil pressure switch 15 Nm (11 lbf.ft)
Oil pump drive sprocket bolt 25 Nm (18 lbf.ft)
Oil pump pressure relief valve plug 25 Nm (18 lbf.ft)
Oil pump and stiffener assembly to cylinder block bolts 13 Nm (10 lbf.ft)
Oil sump to cylinder block bolts 25 Nm (18 lbf.ft)
Oil sump to gearbox bell housing bolts 13 Nm (10 lbf.ft)
PAS pump bracket bolts 27 Nm (20 lbf.ft)
PAS pump pulley bolts 27 Nm (20 lbf.ft)
Rocker arm adjusting screw locknuts 16 Nm (12 lbf.ft)

TORQUE WRENCH SETTINGS
06-4
Engine V8
TORQUE DESCRIPTION METRIC IMPERIAL
Engine mounting bolts (rear, LH & RH) to gearbox bolts 85 Nm (63 lbf.ft)
Engine mounting (rear, LH & RH) nuts 45 Nm (33 lbf.ft)
Cylinder head bolts tighten, then 90°, then a further 90°20 Nm (15 lbf.ft)
Rocker shaft bolts 40 Nm (30 lbf.ft)
Alternator mounting bracket 40 Nm (30 lbf.ft)
Auxiliary drive belt tensioner 45 Nm (33 lbf.ft)
Engine earth lead 22 Nm (16 lbf.ft)
Rocker cover bolts 8 Nm (6 lbf.ft)
Torque converter to drive plate 50 Nm (37 lbf.ft)
A/C compressor 22 Nm (16 lbf.ft)
ACE pump 22 Nm (16 lbf.ft)
Flywheel to crankshaft 78 Nm (58 lbf.ft)
Crankshaft sensor 6 Nm (5 lbf.ft)
Crankshaft sensor cover 6 Nm (5 lbf.ft)
Spacer and hub to crankshaft 85 Nm (63 lbf.ft)
Drive plate and clamp ring 45 Nm (33 lbf.ft)
Oil pick up strainer 10 Nm (7 lbf.ft)
Filter head adaptor 13 Nm (10 lbf.ft)
Filter head 8 Nm (6 lbf.ft)
Sump bolts 22 Nm (16 lbf.ft)
Oil pressure switch 15 Nm (11 lbf.ft)
Timing gear cover to cylinder block 22 Nm (16 lbf.ft)
Oil cooler pipe to timing gear cover 15 Nm (11 lbf.ft)
Crankshaft pulley bolt 270 Nm (200 lbf.ft)
Coolant outlet elbow 22 Nm (16 lbf.ft)
Auxiliary housing 40 Nm (30 lbf.ft)
Jockey pulley 50 Nm (37 lbf.ft)
Camshaft gear 50 Nm (37 lbf.ft)
Rocker shaft bolts 40 Nm (30 lbf.ft)
Connecting rod bolts
Final torque - turn through 80 °20 Nm (15 lbf.ft)
Initial torque - all main bearing cap bolts and side bolts 13.5 Nm (10 lbf.ft)
Final torque - main bearing cap side bolts 11 to 15 45 Nm (33 lbf.ft)
Final torque - main bearing cap bolts 1 to 8 72 Nm (53 lbf.ft)
Final torque - main bearing cap bolts 9 and 10 92 Nm (68 lbf.ft)
Final torque - main bearing cap side bolts 16 to 20 45 Nm (33 lbf.ft)
Viscous fan nut 45 Nm (33 lbf.ft)
Camshaft thrust plate bolts 22 Nm (16 lbf.ft)
Secondary Air Injection adapters 33 Nm (24 lbf.ft)

TORQUE WRENCH SETTINGS
06-12
Rear suspension
Brakes
TORQUE DESCRIPTION METRIC IMPERIAL
Wheel nuts140 Nm (103 lbf.ft)
Wheel hub to axle 100 Nm (74 lbf.ft)
Damper to axle125 Nm (92 lbf.ft)
SLS height sensor link to radius arm 25 Nm (18 lbf.ft)
Radius arm230 Nm (170 lbf.ft)
Transverse links to pivot housing 155 Nm (114 lbf.ft)
Pivot housing to axle bolts 230 Nm (170 lbf.ft)
Transverse link to chassis 140 Nm (103 lbf.ft)
SLS height sensor 6 Nm (4.4 lbf.ft)
SLS compressor25 Nm (18 lbf.ft)
ACE actuator to short arm 185 Nm (136 lbf.ft)
ACE actuator to long arm 48 Nm (35 lbf.ft)
ACE actuator pipe cap nuts 29 Nm (21 lbf.ft)
Anti-roll bar link - upper 50 Nm (37 lbf.ft)
Anti-roll bar link - lower 100 Nm (74 lbf.ft)
ACE long arm to torsion bar 180 Nm (133 lbf.ft)
TORQUE DESCRIPTION METRIC IMPERIAL
Brake caliper bleed screw 10 Nm (7 lbf.ft)
Brake disc to drive flange 13 Nm (10 lbf.ft)
Caliper bolts - Front 175 Nm (129 lbf.ft)
Caliper bolts - Rear 95 Nm (70 lbf.ft)
Master cylinder to servo 25 Nm (18 lbf.ft)
Master cylinder brake pipe, unions 25 Nm (18 lbf.ft)
Brake caliper pivot bolt 30 Nm (22 lbf.ft)
Vacuum pump8 Nm (6 lbf.ft)
Vacuum pump lubrication pipe union 10 Nm (7 lbf.ft)
Brake caliper guide pin bolts 30 Nm (22 lbf.ft)
Brake caliper banjo bolt 32 Nm (24 lbf.ft)
ABS modulator to mounting bracket nuts 9 Nm (7 lbf.ft)
ABS modulator - 13 mm unions 22 Nm (16 lbf.ft)
ABS modulator - 11 mm union 14 Nm (10 lbf.ft)
Handbrake lever to floor bolts 22 Nm (16 lbf.ft)

TORQUE WRENCH SETTINGS
06-15
Heating and air conditioning
Wipers and washers
Electrical
TORQUE DESCRIPTION METRIC IMPERIAL
Heater assembly16 Nm (12 lbf.ft)
Compressor bolts 22 Nm (16 lbf.ft)
Blower motor19 Nm (14 lbf.ft)
Compressor to mounting bracket bolts 25 Nm (18 lbf.ft)
A/C pipes to compressor bolts 10 Nm (7 lbf.ft)
Condenser pipe bolt 5 Nm (3.7 lbf.ft)
Receiver drier to bracket bolts 5 Nm (3.7 lbf.ft)
Adaptor block to receiver drier bolt 5 Nm (3.7 lbf.ft)
Evaporator pipe bolts 5 Nm (3.7 lbf.ft)
Dual pressure switch to receiver drier 10 Nm (7 lbf.ft)
Air conditioning pipes to receiver drier bolts 5 Nm (3.7 lbf.ft)
TX valve pressure pipe union 22 Nm (16 lbf.ft)
Evaporator pipe to TXV valve 32 Nm (24 lbf.ft)
Evaporator assembly to body bolts 16 Nm (12 lbf.ft)
High and low pressure pipe, bolts 10 Nm (7 lbf.ft)
Fuel burning heater Torx bolts 25 Nm (18 lbf.ft)
TORQUE DESCRIPTION METRIC IMPERIAL
Link to motor spindle 7 Nm (5.2 lbf.ft)
Front motor assembly 2.5 Nm (1.8 lbf.ft)
Spindle nut 3 Nm (2.2 lbf.ft)
Wiper arm nut13 Nm (10 lbf.ft)
TORQUE DESCRIPTION METRIC IMPERIAL
Alternator support stay 25 Nm (18 lbf.ft)
Alternator lead - Td5 6 Nm (4.4 lbf.ft)
Auxiliary drive belt tensioner bolt 50 Nm (37 lbf.ft)
Alternator pulley80 Nm (59 lbf.ft)
Alternator B+ nut - V8 18 Nm (13 lbf.ft)
Alternator B+ nut - V8 5 Nm (3.7 lbf.ft)
Starter motor - Td5 27 Nm (20 lbf.ft)
Starter motor solenoid 10 Nm (7 lbf.ft)
Starter motor - V8 44 Nm (32 lbf.ft)
Alternator45 Nm (33 lbf.ft)
Starter motor heat shield - V8 10 Nm (7 lbf.ft)
Horn13 Nm (10 lbf.ft)
Battery carrier bolts 28 Nm (21 lbf.ft)