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2003 Land Rover Discovery CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Land Rover REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2003 Land Rover Discovery AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 Land Rover Discovery AUTOMOBILES
Anti-lock Brakes -> Troubleshooting -> 2001-02 -> 2003 -> Discovery -> Freelander -> Road Ranger
Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS
Discovery
When the ignition is switched to on, the SLABS ECU performs an inspection of the brake related warning lamps as part of the power up procedure. The warning lamps are illuminated for approximately 3 seconds and then turn off. If a fault warning lamp remains illuminated after the lamp inspection, a fault has been detected and repair action is required. The warning lamp will turn off when vehicle speed exceeds 5 mph.
If the lamp remains on or subsequently illuminates with ignition in on position, a fault in the ABS system is indicated. This self monitoring procedure is repe...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Land Rover Discovery AUTOMOBILES
Land Rover -> Fuel Filter Scheduled Maintenance -> 2000-04 Discovery -> Normal Service -> Severe Service
Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS
Normal Service
Replace every 90,...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Land Rover Discovery AUTOMOBILES
Land Rover -> Dynamic Stability Control (DSC) Indicator Lamp ->
Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS
The DSC warning lamp should light when the ignition switch is placed in the On position and go out when after the engine has been started. The DSC lamp will remain On with the engine started if the DSC switch has been pressed switching Off the DSC system but the traction control system is still active. The lamp will flash when ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Land Rover Discovery AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS
- Remove battery cover.
- Remove upper fan cowl.
- Attach holding tool No. LRT-12-093, or equivalent, to viscous cooling fan, then remove fan attaching bolt and the fan.
- Drain cooling system.
- Remove lower fan cowl attaching screws, then the fan cowl.
- Disconnect lower radiator hose from thermostat housing.
- Disconnect top hose and bleed hose from radiator.
- Remove front grill as follows:
- Remove turn signal lamps.
- Remove headlamp trim finishers.
- Remove grill attaching screws and fasteners, ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Land Rover Discovery AUTOMOBILES
Serpentine Drive Belt, Replace -> Installation -> Removal
Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS
Removal
- Remove upper fan cowl.
- Relieve drive belt tension by turning belt tensioner clockwise.
- Remove belt from alternator pulley, then release tensioner pulley.
- Remove drive belt. If reusing belt, mark direction of rotation on belt.
Installation
- Clean drive belt pu...
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WIRING DIAGRAMS FOR 2003 Land Rover Discovery AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Land Rover Discovery cars and light trucks sold in the U.S.
2003 Land Rover Discovery 4.6 V8 GAS Wiring Diagram Components on diagram: |
2003 Land Rover Discovery 4.6 V8 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Land Rover Discovery AUTOMOBILES
OEM TSB listings for most 2003 Land Rover Discovery cars and light trucks sold in the U.S. from 1985+.
Document: WINDSHIELD WIPER NOISE, JUDDER OR STREAKING - CLEANING PROCEDURE Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS Symptoms: |
Document: SHUTTLE VALVE SWITCH RELATED ABS/TC/HDC WARNING LAMP ILLUMINATION TROUBLESHOOTING - REVISED Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Land Rover Discovery AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Land Rover Discovery cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 2003 Land Rover Discovery cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 2003 Land Rover Discovery cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 2003 Land Rover Discovery cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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