2002 LAND ROVER DISCOVERY lock
[x] Cancel search: lockPage 4 of 1672
CONTENTS
CONTENTS 1
INTRODUCTION ...................................................................................... 01-1
How To Use This Manual................................................................................................................ 01-1
Repairs and Replacements ............................................................................................................. 01-1
Specifications .................................................................................................................................. 01-2
Abbreviations and Symbols ............................................................................................................ 01-3
GENERAL INFORMATION ...................................................................... 03-1
General Precautions ....................................................................................................................... 03-1
Safety Instructions .......................................................................................................................... 03-2
Environmental Precautions ............................................................................................................. 03-3
General Fitting Instructions ............................................................................................................. 03-6
Ball and Roller Bearings ................................................................................................................. 03-7
Oil Seals.......................................................................................................................................... 03-8
Joints and Joint Faces .................................................................................................................... 03-9
Locking Devices .............................................................................................................................. 03-9
Screw Threads ................................................................................................................................ 03-10
Bolt and Nut Identification ............................................................................................................... 03-11
Flexible Pipes and Hoses ............................................................................................................... 03-13
Rolling Road Testing....................................................................................................................... 03-15
Fuel Handling Precautions .............................................................................................................. 03-16
Electrical Precautions ..................................................................................................................... 03-17
Supplementary Restraint System Precautions ............................................................................... 03-18
SRS Component Replacement Policy ............................................................................................ 03-23
Air Conditioning System Precautions .............................................................................................. 03-24
Air Conditioning Compressor Replacement .................................................................................... 03-26
Body Repairs .................................................................................................................................. 03-26
GENERAL DATA ..................................................................................... 04-1
Engine - Td5 ................................................................................................................................... 04-1
Engine - V8 ..................................................................................................................................... 04-4
Fuel system - Td5 ........................................................................................................................... 04-8
Fuel system - V8 ............................................................................................................................. 04-9
Cooling system - Td5 ...................................................................................................................... 04-9
Cooling system - V8 ........................................................................................................................ 04-10
Clutch - Td5 .................................................................................................................................... 04-10
Clutch - V8 ...................................................................................................................................... 04-11
Manual gearbox - R380 .................................................................................................................. 04-12
Transfer box - LT230SE .................................................................................................................. 04-13
Automatic gearbox - ZF4HP22/24 .................................................................................................. 04-13
Rear axle......................................................................................................................................... 04-13
Front axle ........................................................................................................................................ 04-13
Steering........................................................................................................................................... 04-14
Suspension ..................................................................................................................................... 04-15
Brakes ............................................................................................................................................. 04-16
Wheels and tyres ............................................................................................................................ 04-16
Air conditioning ............................................................................................................................... 04-17
Electrical - Td5 ................................................................................................................................ 04-17
Electrical - V8 .................................................................................................................................. 04-17
Dimensions ..................................................................................................................................... 04-18
Weights ........................................................................................................................................... 04-18
Page 6 of 1672
CONTENTS
CONTENTS 3
Alarm handset battery ..................................................................................................................... 10-6
Road wheels ................................................................................................................................... 10-7
Tyres .............................................................................................................................................. 10-7
Brake pads, discs and calipers ....................................................................................................... 10-7
Road wheel speed sensors ............................................................................................................. 10-7
Brake fluid ....................................................................................................................................... 10-8
Fuel filter - diesel engine ................................................................................................................. 10-8
Fuel filter sedimenter ...................................................................................................................... 10-8
Road wheels ................................................................................................................................... 10-8
Radiator/Intercooler ........................................................................................................................ 10-8
Ambient air Temperature and pressure sensor .............................................................................. 10-8
Doors, bonnet and fuel filler flap ..................................................................................................... 10-9
Air suspension intake filter .............................................................................................................. 10-9
Anti-freeze....................................................................................................................................... 10-9
Cooling system ............................................................................................................................... 10-9
Spark plugs - V8 engine.................................................................................................................. 10-10
Air cleaner - V8 engine ................................................................................................................... 10-11
Air cleaner and dump valve - diesel engine .................................................................................... 10-11
Auxiliary drive belt ........................................................................................................................... 10-11
Auxiliary drive belt - V8 engine ....................................................................................................... 10-12
Auxiliary drive belt - diesel engine .................................................................................................. 10-12
Fluid reservoirs ............................................................................................................................... 10-12
Steering box .................................................................................................................................... 10-13
Battery ............................................................................................................................................. 10-13
Intercooler - diesel engine............................................................................................................... 10-14
Engine oil - V8 engine ..................................................................................................................... 10-14
Engine oil - diesel engine ................................................................................................................ 10-14
Centrifuge rotor – diesel engine ...................................................................................................... 10-15
Engine oil filter - diesel engine ........................................................................................................ 10-15
Engine oil filter – V8 engine ............................................................................................................ 10-15
Manual gearbox .............................................................................................................................. 10-16
Automatic gearbox ......................................................................................................................... 10-17
Transfer box .................................................................................................................................... 10-18
Front and rear axle .......................................................................................................................... 10-19
Propeller shafts ............................................................................................................................... 10-19
Anti-roll bar links ............................................................................................................................. 10-20
ACE actuators ................................................................................................................................. 10-21
ACE filter ......................................................................................................................................... 10-21
Brake hose, brake, fuel, ACE, clutch pipes and unions/electrical harnesses ................................ 10-22
Engine, gearbox, transfer box and axles ........................................................................................ 10-23
Exhaust system............................................................................................................................... 10-23
Steering box and front suspension ................................................................................................. 10-23
Steering rod ball joints ................................................................................................................... 10-25
Dampers and SLS height sensors .................................................................................................. 10-25
Front and rear axle suspension links .............................................................................................. 10-26
Towing bracket................................................................................................................................ 10-27
Engine mountings - V8 engine ........................................................................................................ 10-27
Road/roller test................................................................................................................................ 10-28
ENGINE - Td5 ........................................................................................... 12-1-1
DESCRIPTION AND OPERATION
Td5 Engine...................................................................................................................................... 12-1-1
Cylinder block components ............................................................................................................. 12-1-2
Page 7 of 1672
CONTENTS
4CONTENTS
Crankshaft, sump and oil pump ...................................................................................................... 12-1-4
Cylinder head components ............................................................................................................. 12-1-6
Camshaft cover and engine cover .................................................................................................. 12-1-8
Camshaft timing chain components................................................................................................ 12-1-10
Description ...................................................................................................................................... 12-1-12
Lubrication circuit ............................................................................................................................ 12-1-29
ADJUSTMENTS
Engine oil pressure check .............................................................................................................. 12-1-35
REPAIRS
Pulley - crankshaft ........................................................................................................................ 12-1-37
Seal - crankshaft - rear ................................................................................................................. 12-1-38
Gasket - cylinder head .................................................................................................................. 12-1-39
Rocker shaft assembly ................................................................................................................... 12-1-44
Gasket - cover - camshaft .............................................................................................................. 12-1-46
Engine and ancillaries ................................................................................................................... 12-1-47
Mounting - front - LH ...................................................................................................................... 12-1-53
Mounting - front - RH ..................................................................................................................... 12-1-54
Mounting - engine - rear - LH ........................................................................................................ 12-1-55
Mounting - engine - rear - RH ......................................................................................................... 12-1-55
Flywheel ........................................................................................................................................ 12-1-56
Plate - drive - automatic ................................................................................................................. 12-1-56
Filter - oil ........................................................................................................................................ 12-1-57
Strainer - oil pick-up ....................................................................................................................... 12-1-58
Pump - oil........................................................................................................................................ 12-1-58
Gasket - sump ................................................................................................................................ 12-1-60
Valve - relief - oil pressure ............................................................................................................. 12-1-62
Switch - oil pressure ...................................................................................................................... 12-1-62
Cooler - engine oil .......................................................................................................................... 12-1-63
Gasket - centrifuge oil drain pipe .................................................................................................... 12-1-64
Rotor - centrifuge ........................................................................................................................... 12-1-66
Seal - oil - timing cover .................................................................................................................. 12-1-66
OVERHAUL
Gasket - inlet manifold ................................................................................................................... 12-1-69
Gasket - exhaust manifold ............................................................................................................. 12-1-70
Gasket - cylinder head .................................................................................................................. 12-1-71
Cylinder head - overhaul ............................................................................................................... 12-1-74
Gasket - engine sump ................................................................................................................... 12-1-84
Seal - crankshaft - rear - manual models........................................................................................ 12-1-86
Seal - crankshaft - rear - automatic models .................................................................................... 12-1-87
Flywheel.......................................................................................................................................... 12-1-88
Drive plate....................................................................................................................................... 12-1-88
Starter ring gear .............................................................................................................................. 12-1-89
Pump - oil ...................................................................................................................................... 12-1-90
Timing chain and sprockets ........................................................................................................... 12-1-93
Bearings - connecting rods ........................................................................................................... 12-1-96
Pistons, connecting rods and cylinder bores ................................................................................ 12-1-98
Crankshaft .................................................................................................................................... 12-1-102
ENGINE - V8 ............................................................................................. 12-2-1
DESCRIPTION AND OPERATION
V8 Engine ....................................................................................................................................... 12-2-1
Cylinder head components ............................................................................................................. 12-2-2
Cylinder block components............................................................................................................. 12-2-4
Page 9 of 1672
CONTENTS
6CONTENTS
EGR systems .................................................................................................................................. 17-1-10
REPAIRS
Modulator - EGR ........................................................................................................................... 17-1-13
Inlet Throttle (ILT) Modulator .......................................................................................................... 17-1-13
Valve - EGR - Pre EU3 models ...................................................................................................... 17-1-14
Valve - EGR - EU3 models ............................................................................................................. 17-1-15
EMISSION CONTROL - V8 ....................................................................... 17-2-1
DESCRIPTION AND OPERATION
Crankcase emission control system ............................................................................................... 17-2-1
Exhaust emission control ................................................................................................................ 17-2-2
Evaporative emission system component layout ............................................................................ 17-2-3
Evaporative emission system (with positive pressure leak detection) component layout (NAS only) 17-2-4
Evaporative emission system control diagram ............................................................................... 17-2-5
Secondary air injection system component layout.......................................................................... 17-2-6
Secondary air injection system control diagram ............................................................................. 17-2-8
Emission Control Systems .............................................................................................................. 17-2-9
Crankcase emission control system ............................................................................................... 17-2-9
Exhaust emission control system ................................................................................................... 17-2-10
Evaporative emission control system ............................................................................................. 17-2-15
Secondary air injection system ....................................................................................................... 17-2-26
Crankcase emission control operation............................................................................................ 17-2-33
Exhaust emission control operation ................................................................................................ 17-2-34
Evaporative emission control operation .......................................................................................... 17-2-38
Secondary air injection system ....................................................................................................... 17-2-42
REPAIRS
Canister - EVAP ............................................................................................................................ 17-2-43
Canister - EVAP - Models with Fuel Leak Detection Pump - up to 03MY ...................................... 17-2-43
Canister - EVAP - Models with Fuel Leak Detection Pump - from 03MY ....................................... 17-2-44
Valve - purge control ..................................................................................................................... 17-2-46
Solenoid - evap canister vent solenoid (CVS) valve ..................................................................... 17-2-46
Sensor - heated oxygen (HO2S) - pre-catalytic converter .............................................................. 17-2-47
Sensor - heated oxygen (HO2S) - post-catalytic converter ............................................................ 17-2-48
Control Valve - Secondary Air Injection (SAI) ............................................................................... 17-2-49
Reservoir - Vacuum - Secondary Air Injection (SAI) - up to 03MY ................................................. 17-2-49
Reservoir - vacuum - Secondary Air Injection (SAI) - from 03MY .................................................. 17-2-50
Pump - Air - Secondary Air Injection (SAI) ..................................................................................... 17-2-50
Air Manifold - LH - Secondary Air Injection (SAI) ........................................................................... 17-2-51
Air Manifold - RH - Secondary Air Injection (SAI) .......................................................................... 17-2-51
Solenoid - Vacuum - Secondary Air Injection (SAI) ...................................................................... 17-2-52
Pipe - Secondary Air Injection (SAI) .............................................................................................. 17-2-52
Pump - Fuel Leak Detection - up to 03MY...................................................................................... 17-2-54
Pump - fuel leak detection - from 03MY ......................................................................................... 17-2-54
Filter - fuel leak detection pump - up to 03MY ................................................................................ 17-2-55
Filter - fuel leak detection pump - from 03MY ................................................................................. 17-2-55
ENGINE MANAGEMENT SYSTEM - Td5 ................................................ 18-1-1
DESCRIPTION AND OPERATION
Engine management component location - passenger compartment ............................................ 18-1-2
Engine management component location - engine compartment .................................................. 18-1-3
Engine management block diagram ............................................................................................... 18-1-4
Description ...................................................................................................................................... 18-1-6
Page 10 of 1672
CONTENTS
CONTENTS 7
Operation ........................................................................................................................................ 18-1-38
ADJUSTMENTS
Glow plug ....................................................................................................................................... 18-1-45
REPAIRS
Engine control module (ECM) ........................................................................................................ 18-1-47
Sensor - engine coolant temperature (ECT) ................................................................................. 18-1-47
Sensor - crankshaft (CKP) .............................................................................................................. 18-1-48
Air filter assembly ........................................................................................................................... 18-1-48
Element - air filter ............................................................................................................................ 18-1-49
Sensor - fuel temperature .............................................................................................................. 18-1-50
Sensor - mass air flow (MAF) ....................................................................................................... 18-1-51
Sensor - combined MAP and IAT ................................................................................................. 18-1-51
Sensor - ambient air pressure (AAP) ............................................................................................ 18-1-52
Element - fuel filter ........................................................................................................................ 18-1-53
Cooler - fuel .................................................................................................................................. 18-1-53
Sensor - Throttle position (TP) ........................................................................................................ 18-1-54
Turbocharger ................................................................................................................................ 18-1-55
Intercooler ..................................................................................................................................... 18-1-56
Valve - solenoid boost control ........................................................................................................ 18-1-58
Regulator - fuel pressure .............................................................................................................. 18-1-59
Glow plugs ...................................................................................................................................... 18-1-60
Injectors .......................................................................................................................................... 18-1-61
Switch - cruise control (on/off) ........................................................................................................ 18-1-62
Switch - cruise control (set/resume) ................................................................................................ 18-1-63
Switch - clutch ................................................................................................................................. 18-1-63
ENGINE MANAGEMENT SYSTEM - V8 .................................................. 18-2-1
DESCRIPTION AND OPERATION
Engine management component location - Passenger compartment ............................................ 18-2-2
Engine management component location - Engine compartment .................................................. 18-2-3
Engine management block diagram ............................................................................................... 18-2-4
Description - engine management .................................................................................................. 18-2-6
Operation - engine management .................................................................................................... 18-2-43
DESCRIPTION AND OPERATION
Cruise control component layout .................................................................................................... 18-2-55
Cruise control block diagram .......................................................................................................... 18-2-56
Description - cruise control ............................................................................................................. 18-2-57
Operation - cruise control................................................................................................................ 18-2-66
ADJUSTMENTS
Cable - throttle ............................................................................................................................. 18-2-69
Cable - cruise control .................................................................................................................... 18-2-69
REPAIRS
Spark plugs .................................................................................................................................. 18-2-71
Coil - ignition ................................................................................................................................. 18-2-71
Engine control module (ECM) ......................................................................................................... 18-2-72
Sensor - engine coolant temperature (ECT) ................................................................................ 18-2-73
Sensor - crankshaft position (CKP) ............................................................................................... 18-2-74
Sensor - radiator temperature ....................................................................................................... 18-2-75
Sensor - camshaft position (CMP) ................................................................................................. 18-2-76
Page 15 of 1672
CONTENTS
12 CONTENTS
Operation ........................................................................................................................................ 41-19
ADJUSTMENTS
Cable - high/low selector ................................................................................................................ 41-21
REPAIRS
Bottom cover - transfer box ......................................................................................................... 41-23
Transfer box - Diesel ...................................................................................................................... 41-24
Transfer box - V8 ............................................................................................................................ 41-27
Gasket - rear cover plate ................................................................................................................ 41-30
Switch - differential lock - Up to 03 MY ........................................................................................... 41-30
Cable - high/low selector ................................................................................................................ 41-31
Oil seal - input shaft ...................................................................................................................... 41-32
Seal - front output shaft .................................................................................................................. 41-33
Seal - rear output shaft ................................................................................................................... 41-34
Gasket - rear output shaft housing ................................................................................................. 41-35
Solenoid - interlock - Up to 03 MY .................................................................................................. 41-36
Sensor - neutral ........................................................................................................................... 41-36
Sensor - oil temperature ................................................................................................................ 41-37
Switch - high low - warning ........................................................................................................... 41-37
OVERHAUL
Intermediate gear assembly ......................................................................................................... 41-39
Differential assembly ................................................................................................................... 41-42
Dog clutch - differential lock .......................................................................................................... 41-57
Input gear/bearing .......................................................................................................................... 41-60
Low gear - differential ................................................................................................................... 41-62
AUTOMATIC GEARBOX - ZF4HP22 - 24 ................................................ 44-1
DESCRIPTION AND OPERATION
Automatic gearbox component layout ............................................................................................ 44-1
Control schematic ........................................................................................................................... 44-2
Description ...................................................................................................................................... 44-4
Operation ........................................................................................................................................ 44-17
ADJUSTMENTS
Cable - selector ............................................................................................................................. 44-21
Stall test .......................................................................................................................................... 44-21
REPAIRS
Cable and lever assembly - selector .............................................................................................. 44-23
Selector indicator .......................................................................................................................... 44-24
Switch - starter inhibitor ................................................................................................................. 44-24
Seal - selector shaft ........................................................................................................................ 44-25
Gearbox - convertor and transfer gearbox - Diesel ....................................................................... 44-26
Gearbox - convertor and transfer gearbox - V8 ............................................................................ 44-30
Torque converter and oil seal ......................................................................................................... 44-34
Housing - torque converter ............................................................................................................ 44-35
Gasket - intermediate plate ............................................................................................................ 44-37
Intermediate plate .......................................................................................................................... 44-38
Pump - fluid .................................................................................................................................... 44-40
Seal - rear extension housing ......................................................................................................... 44-41
Gasket - rear extension housing. .................................................................................................. 44-42
Parking pawl assembly. ................................................................................................................ 44-43
Gasket - oil sump ........................................................................................................................... 44-44
Filter - oil ........................................................................................................................................ 44-45
Cooler - fluid - Td5 .......................................................................................................................... 44-45
Page 16 of 1672
CONTENTS
CONTENTS 13
Cooler - fluid - V8 ........................................................................................................................... 44-46
Valve body assembly ..................................................................................................................... 44-47
Seal - valve body ........................................................................................................................... 44-49
Pressure regulator ......................................................................................................................... 44-50
Lock-up solenoid valve (MV 3) ....................................................................................................... 44-51
Solenoids - shift control valves (MV 1 & 2) .................................................................................... 44-51
Harness - solenoid valves .............................................................................................................. 44-52
Electronic control unit - automatic transmission .............................................................................. 44-53
PROPELLER SHAFTS ............................................................................. 47-1
DESCRIPTION AND OPERATION
Propeller shaft component layout ................................................................................................... 47-1
Description ...................................................................................................................................... 47-2
REPAIRS
Propeller shaft - front ..................................................................................................................... 47-5
Propeller shaft - rear ...................................................................................................................... 47-5
Flexible coupling ............................................................................................................................ 47-6
OVERHAUL
Propeller shaft ................................................................................................................................. 47-7
REAR AXLE .............................................................................................. 51-1
DESCRIPTION AND OPERATION
Rear axle component layout ........................................................................................................... 51-1
Description ...................................................................................................................................... 51-2
REPAIRS
Differential - assembly .................................................................................................................... 51-5
Seal - differential pinion ................................................................................................................. 51-7
OVERHAUL
Differential assembly ...................................................................................................................... 51-9
FRONT AXLE............................................................................................ 54-1
DESCRIPTION AND OPERATION
Front axle component layout........................................................................................................... 54-1
Description ...................................................................................................................................... 54-2
REPAIRS
Differential - assembly .................................................................................................................... 54-5
Seal - differential pinion ................................................................................................................ 54-7
Seal - oil - front axle casing ........................................................................................................... 54-9
Constant velocity joint - drive shaft ................................................................................................ 54-11
STEERING ................................................................................................ 57-1
DESCRIPTION AND OPERATION
Page 17 of 1672
CONTENTS
14 CONTENTS
Steering system component layout................................................................................................. 57-1
Steering column assembly and intermediate shaft ......................................................................... 57-2
Steering box.................................................................................................................................... 57-4
Description ...................................................................................................................................... 57-5
Operation ........................................................................................................................................ 57-15
ADJUSTMENTS
Steering box - check and adjust ..................................................................................................... 57-17
Hydraulic system - bleed ................................................................................................................ 57-18
Steering linkage - centralise ......................................................................................................... 57-18
Wheel alignment - front ................................................................................................................. 57-19
Power steering pressure check - diesel models ............................................................................. 57-20
Power steering pressure check - V8 LHD models .......................................................................... 57-22
Power steering pressure check - V8 RHD models ......................................................................... 57-24
REPAIRS
Power steering box - V8 ................................................................................................................. 57-27
Power steering box - LHD - diesel .................................................................................................. 57-30
Steering box - RHD - diesel ............................................................................................................ 57-34
Seal - input shaft - steering box ..................................................................................................... 57-37
Seal - output shaft - steering box ................................................................................................... 57-38
Pump - power steering - V8 ............................................................................................................ 57-39
Pump - power steering - diesel ....................................................................................................... 57-41
Steering column assembly and lock ............................................................................................... 57-42
Shaft - intermediate and universal joint - steering column ............................................................ 57-44
Nacelle - steering column ............................................................................................................... 57-47
Drop arm - steering box ................................................................................................................ 57-47
Ball joint - track rod ....................................................................................................................... 57-48
Ball joint - drag link ....................................................................................................................... 57-49
Drag link ........................................................................................................................................ 57-50
Damper - steering ......................................................................................................................... 57-51
Steering wheel ............................................................................................................................... 57-51
FRONT SUSPENSION .............................................................................. 60-1
DESCRIPTION AND OPERATION
Front suspension component layout (ACE torsion bar shown)....................................................... 60-1
Front suspension components (ACE torsion bar shown) ............................................................... 60-2
Description ...................................................................................................................................... 60-4
DESCRIPTION AND OPERATION
ACE system component layout....................................................................................................... 60-9
ACE system control diagram .......................................................................................................... 60-10
Description - ACE ........................................................................................................................... 60-11
Operation ........................................................................................................................................ 60-25
ADJUSTMENTS
ACE hydraulic system bleeding ..................................................................................................... 60-27
Fluid level check - ACE system ...................................................................................................... 60-27
REPAIRS
Bushes - Panhard rod ................................................................................................................... 60-29
Ball joint - upper - steering knuckle ............................................................................................... 60-30
Ball joint - lower - steering knuckle ................................................................................................. 60-31
Steering knuckle ........................................................................................................................... 60-32
Road spring - front ........................................................................................................................ 60-34
Wheel hub....................................................................................................................................... 60-35
Damper - front ............................................................................................................................... 60-37