Contents Wiring diagrams Section: Identification All sections

General Data - Discovery Ii Land Rover Discovery L318

Identification 1 illustration ~143 words

ENGINE

ApplicationDescription
Lubrication
TypeWet sump, pressure fed
Pump TypeEccentric rotor, crankshaft driven integral with stiffener plate
Filter Type
PrimaryCentrifuge filter
SecondaryDisposable canister with full flow by-pass
Pressure At Idle (Cold)3.0 Bar (43.5 psi)
Pressure At 3500 Rev/Min (Hot)1.5-3.0 Bar (21.75-43.5 psi)
Relief Valve Opening Pressure4.0 Bar (58 psi)
Low Oil Pressure Switch Opening Pressure0.2-0.6 Bar (3.0-8.8 psi)
Crankshaft
Main Journal Diameter61.9875-62.0125 mm (2.4404-2.4414 in)
Crankpin Journal Diameter53.99-54.01 mm (2.125-2.131 in)
End Float0.020 - 0.250 mm (0.0008 - 0.0098 in)
Main Bearings
Quantity6 (5 Main, 1 Thrust)
Pistons Type
GraphiteCompound 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 PinsFully floating, offset towards piston thrust side
Piston Rings
Type2 compression, 1 oil control
Upper Compression RingBarrel edge, chrome plated
Lower Compression RingTaper faced
Oil Control RingBevelled ring with spring
New Ring To Groove Clearance
Upper CompressionNot measured
Lower Compression0.050-0.082 Mm (0.002-0.003 In)
Oil Control0.050-0.082 Mm (0.002-0.003 In)
Piston Ring Fitted Gap In Cylinder Bore
Upper Compression0.30-0.45 Mm (0.0118-0.0177 In)
Lower Compression0.40-0.60 Mm (0.0157-0.0236 In)
Oil Control0.25-0.40 Mm (0.0098-0.0157 In)
Camshaft
Bearings6
DriveDuplex chain
End Float0.06-0.16 Mm (0.002-0.006 In)
Tappets
TypeHydraulic lash adjusters With followers

GENERAL DATA - ENGINE

FUEL SYSTEM

ApplicationDescription
TypeMultiport injection from pressure regulated, returnless supply
PumpElectric submersible
Regulated Pump Output Pressure3.5 Bar (50.75 psi)
Fuel Pump Delivery120 Liters/Hr (211 Pints/Hr) (234 Us Pints/Hr)
FilterIn-line canister
Air FilterMann And Hummell P0036

GENERAL DATA - FUEL SYSTEM

COOLING SYSTEM

ApplicationDescription
TypePressurized, Spill Return, Thermostatically Controlled Water And Antifreeze Mixture. Vertical Flow Radiator With Remote Header Tank And Pump Assisted
Cooling Fans9 Blade Axial Flow On Viscous Coupling And 11 Blade Axial Flow Electric
Electric Cooling Fan Switching Points
For A/C System
OnWhen Vehicle Speed Is 50 Mph (80 Km/H) Or Less And Ambient Temperature Is 28 °C (82 °F) Or More
OffWhen Vehicle Speed Increases To (62.5 Mph (100 Km/H) Or Ambient Temperature Decreases To 25 °C (77 °F)
For Engine Cooling During Normal Running
On100 °C (212 °F)
Off94.5 °C (202 °F)
For Engine Cooling At Ignition Off (To Counteract Heat Soak)
OnIf, Within 10 Seconds Of Ignition Off, Intake Air Temperature Is 60 °C (140 °F) Or More And Engine Coolant Temperature Is 110 °C (230 °F) Or More
OffAfter 10 Minutes Or If Engine Coolant Temperature Decreases To 100 °C (212 °F)
Coolant PumpCentrifugal Impeller, Belt Driven From Crankshaft
Coolant Pump Drive Ratio1.293 : 1
Coolant Pump Output At 1000 Rev/Min10 Liters/Min (2.64 Us Galls/Min) At 0.7 Bar (10 Lbf.In2)
ThermostatWaxstat With Pressure Relief Valve
Thermostat Operating Temperature
Initial Opening82 °C (179 °F)
Fully Open96 °C (204 °F)
Expansion Tank Cap Relief Valve - System Operating Pressure1.4 Bar (20 Lbf.In2)

GENERAL DATA - COOLING SYSTEM

CLUTCH

ApplicationDescription
TypeDiaphragm Spring, Hydraulically Operated With Self-Centering, Preloaded Release Bearing
Clutch Plate Friction MaterialAPTEC 385
Drive Plate Diameter267 Mm (10.5118 In)
Pressure Plate Diameter268 Mm (10.5512 In)
Clutch Plate Thickness (Clamped State)
New8.4-8.9 Mm (0.33-0.35 In)
Service Limit7.1 Mm (0.28 In)
Rivet Depth
New1.73 Mm (0.07 In)
Service Limit0.25 Mm (0.01 In)
Clutch Plate Runout
New0.5 Mm (0.02 In)
Service Limit0.5 Mm (0.02 In)

GENERAL DATA - CLUTCH

MANUAL TRANSMISSION - R380

ApplicationDescription
TypeSingle helical constant mesh
Gears5 forward, 1 reverse, all synchromesh
Gear Ratios: V8 Petrol
First3.321:1
Second2.132:1
Third1.397:1
Fourth1.0:1
Fifth0.732:1
Reverse3.536:1
Baulk Ring Clearance
New0.500 mm (0.0197 in)
Service limit0.500 mm (0.0197 in)
Selector fork pad widths - minimum6.5 mm (0.255 in)
First gear end float
New0.050 - 0.200 mm (0.0020 - 0.0079 in)
Service limit0.327 mm (0.0129 in)
Second gear end float
New0.040 - 0.210 mm (0.0016 - 0.0083 in)
Service limit0.337 mm (0.0133 in)
Third gear end float
New0.110 - 0.210 mm (0.0043 - 0.0083 in)
Service limit0.337 mm (0.0133 in)
Adjust fifth / reverse hub - shim to
New0.005 - 0.055 mm (0.0002 - 0.0022 in)
Service limit0.055 mm (0.0022 in)
Reverse gear idler shaft clearance
New0.040 - 0.380 mm (0.0016 - 0.0150 in)
Service limit0.380 mm (0.0150 in)
Mainshaft end float
New0.000 - 0.050 mm (0.0000 - 0.0020 in)
Service limit0.000 - 0.050 mm (0.0000 - 0.0020 in)
Layshaft end float
New0.000 - 0.050 mm (0.0000 - 0.0020 in)
Service limit0.000 - 0.050 mm (0.0000 - 0.0020 in)

GENERAL DATA - MANUAL TRANSMISSION - R380

TRANSFER CASE - LT230SE

ApplicationDescription
TypeLT230SE, Two Speed Reduction With Front And Rear Drives
Reduction ratios
High range1.211 : 1
Low range3.32 : 1
Low Range Gear To High/Low Range Hub Clearance0.05 to 0.15 mm (0.002 to 0.006 in)
High Range Gear To High/Low Range Hub Clearance0.05 to 0.15 mm (0.002 to 0.006 in)
Mainshaft Input Gear Bearing Pre-Load0.05 mm (0.002 in)
Intermediate Gear Bearing Pre-LoadTorque Intermediate Shaft Nut To 88 Nm (65 lbf.ft)

GENERAL DATA - TRANSFER CASE - LT230SE

AUTOMATIC TRANSMISSION - ZF4HP22/24

ApplicationDescription
TypeZF4HP22, electro-hydraulic shift control with fluid torque converter
Gears4 forward, 1 reverse
Gear ratios
First2.480:1
Second1.480:1
Third1.000:1
Fourth0.728:1
Reverse2.086:1
Torque converter lock-upEngaged in third and fourth gears above 72 km/h (45 mph)
Input shaft axial end-float0.2 to 0.4 mm (0.008 to 0.016 in)

GENERAL DATA - AUTOMATIC GEARBOX - ZF4HP22/24

REAR AXLE

ApplicationDescription
TypeSolid axle casing incorporating a spiral bevel differential and drive shafts
Reduction ratio3.538:1

GENERAL DATA - REAR AXLE

FRONT AXLE

ApplicationDescription
TypeSolid axle casing incorporating spiral bevel differential and drive shafts with constant velocity joints.
Reduction ratio3.538:1

GENERAL DATA - FRONT AXLE

STEERING

ApplicationsDescription
TypeHydraulically assisted worm and roller
Steering Wheel Turns Lock To Lock3.5
Steering Wheel Diameter400 mm (15.7 in)
Turning Circle, Curb To Curb11.9 meters (39.1 feet)
PAS pumpHobourn Automotive Ltd. Series 500, belt driven
Pas Pump Pressure - Engine At Idle With Steering At Full Lock21 to 62 bar (305 to 900 lbf/in2
Delivery Pressure (Nominal)100 bar (1450 lbf.in2) 8.5 liters/min (15.1 pints/min) (18.1 US pints/min)
Steering Geometry
Camber Angle - Front, Up To VIN 2A 754807 - Unladen Condition10' +/- 30'
Camber Angle - Front, From VIN 2A 754808 - unladen condition+20' +/- 30'
Camber Angle - Rear - Unladen Condition10' +/- 30'
Cross Camber - Front And Rear45' (Maximum)
Castor Angle - Unladen Condition3° 45' +/- 45'
Cross Castor1° (Maximum)
Toe Out - Front0° 10' +/- 0° 10' (total)
Toe In - Rear+ 0° 5' +/- 0° 15' (total)
Thrust Angle0° +/- 20'
Swivel Pin Inclination13° 11'

GENERAL DATA - STEERING

Note. Measurements taken at EEC curb weight.

SUSPENSION

ApplicationsDescription
Type - FrontBeam axle with coil springs, longitudinal radius arms, Panhard rod, twin tube dampers and either anti-roll bar or active cornering enhancement (ACE)
Nominal height from hub center to wheel arch (not liner)*500 +/- 15 mm (19.7 +/- 0.6 in)
Front road spring color codes
V8 LHSPink/orange
V8 RHS - LHDPink/orange
Rear road spring color codes
5 seat, LHSPurple
5 seat, RHS - LHDPurple
5 seat, RHS - RHDPurple/purple
7 seat, LHS - LHDGrey/blue
7 seat, LHS - RHDGrey/green
7 seat, RHS - LHDGrey/blue
7 seat, RHS - RHDGrey/white
Bump stop height (top of bump stop to axle bracket)44.5 mm (1.75 in)
Anti-roll bar diameter - front
With ACE fitted35 mm (1.38 in)
Without ACE30 mm (1.18 in)
Type - RearBeam axle with coil or air springs, longitudinal radius arms, Watts linkage, twin tube dampers and either anti-roll bar or active cornering enhancement (ACE)
Nominal height from hub center to wheel arch (not liner) (1)
Coil spring483 +/- 15 mm (19.0 +/- 0.6 in)
Air spring473 +/- 15 mm (18.6 +/- 0.6 in)
Road spring color codePurple (all models)
Bump stop height (top of bump stop to axle bracket)
Coil spring71.5 mm (2.8 in)
Air spring61.5 mm (2.4 in)
Anti-roll bar diameter - rear
With ACE fitted35 mm (1.38 in)
Without ACE - SLS fitted29 mm (1.14 in)
Without ACE - SLS not fitted5-seats = 19 mm (0.75 in) 7-seats = 16 mm (0.63 in)
(1) Measurement taken with vehicle at unladen weight. .
(1)Measurement taken with vehicle at unladen weight.

GENERAL DATA - SUSPENSION

BRAKES

ApplicationDescription
TypeServo assisted, diagonally split hydraulic on outboard discs, with four channel electronic control ABS
Disc diameter
Front297.0 - 297.4 mm (11.693 - 11.709 in)
Rear303.8 - 304.2 mm (11.961 - 11.976 in)
Front disc minimum thickness
New24.9 - 25.1 mm (0.980 - 0.988 in)
Service limit22.0 mm (0.866 in)
Rear disc minimum thickness
New12.5 - 12.7 mm (0.492 - 0.500 in)
Service limit11.7 mm (0.461 in)
Maximum disc runout0.15 mm (0.006 in)
Minimum pad material thickness2.0 mm (0.079 in)
HandbrakeCable operated drum on transfer box rear output shaft

GENERAL DATA - BRAKES

WHEELS & TIRES

ApplicationDescription
Wheel size
Steel7J x 16
Alloy7J x 16; 8J x 16; 8J x 18
Tyre size
With 7J x 16 wheels235/70 R16 Wrangler HP 105H; 235/70 R16 Michelin XPC * 105H
With 8J x 16 wheels255/65 R16 Wrangler HP 109H; 255/65 R16 Michelin XPC * 109H
With 8J x 18 wheels255/55 R18 Wrangler HP 109H
Tyre Pressures
All tires - normal operating conditions
FrontUp to 03MY - 1.9 Bar (28 lbf.in2) From 03MY - 2.1 Bar (30 lbf.in2)
Rear2.6 Bar (38 lbf.in2)
All tires-vehicle at GVW
FrontUp to 03MY - 1.9 Bar (28 lbf.in2) From 03MY - 2.1 Bar (30 lbf.in2)
Rear3.2 Bar (46 lbf.in2)

GENERAL DATA - WHEELS & TIRES

AIR CONDITIONING

ApplicationDescription
TypeCFC free, sealed closed loop
Compressor
Displacement177.7 cm3/rev (10.84 in3/rev)
Relief valve operating pressure34.3 to 41.4 bar (497 to 600 lbf.in2)
Refrigerant oil quantity180ml (6.3 fl.oz)
Dual pressure switch operating pressures (nominal)
Low pressure switch Opens2.0 bar (29.0 lbf.in2), pressure decreasing
Low pressure switch Closes2.3 bar (33.4 lbf.in2), pressure increasing
High pressure switch Opens32 bar (464 lbf.in2), pressure increasing
High pressure switch Closes26 bar (377 lbf.in2), pressure decreasing

GENERAL DATA - AIR CONDITIONING

ELECTRICAL

ApplicationsDescription
System12 volt, negative earth
Battery
TypeDelco Freedom
Capacity72 amp hour
Alternator
TypeBosch NC65/130
Maximum output130 amp
Starter motor
TypeNippon Denso
Power1.8 kW

GENERAL DATA - ELECTRICAL

The following illustration indicates the general position of each earth point and earth header on the vehicle

Scheme 19

Scheme 19

DIMENSIONS

ApplicationsDescription
Overall length - including towing hitch4715 mm (185.6 in)
Overall length - including spare wheel4705 mm (185.24 in)
Overall width (excluding mirrors)1885 mm (74.2 in)
Overall height - Open sunroof (1)2015 mm (79.3 in)
Overall height (without roof bars) (1)1940 mm (76.40 in)
Minimum ground clearance (1)253.5 mm (10.0 in)
Wheelbase2540 mm (100.00 in)
Turning circle (kerb to kerb)11.9 meters (39.1 feet)
Track - front1540 mm (60.63 in)
Track - rear1560 mm (61.42 in)
(1) Measurement taken with vehicle at unladen weight.
(1)Measurement taken with vehicle at unladen weight.

GENERAL DATA - DIMENSIONS