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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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Land Rover Discovery car and truck
repair procedures including Land Rover engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Land Rover Discovery automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Land Rover Discovery AUTOMOBILES
Land Rover -> Component Replacement & Adjustment -> Condenser, Replace -> Discovery -> Freelander -> Range Rover
Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS
Discovery
- Recover refrigerant as outlined under .
- Remove radiator as outlined under "Radiator, Replace."
- Disconnect dual pressure switch.
- Remove evaporator to condenser tube.
- Remove evaporator to receiver drier tube.
- Remove three cooling fan support rails to condenser mounting bolts.
- Remove condenser, then the adapter block from receiver drier.
- Remove receiver drier from condenser bracket.
- Remove receiver drier bracket from condenser.
- Reverse procedure to install. Install new O-rings.
Freelander
- Recove...
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BRAKE SERVICE PROCEDURES FOR 2003 Land Rover Discovery AUTOMOBILES
Disc Brakes -> Parking Brake Service -> 2001-02 -> 2003 -> Brake Shoe, Replace -> Discovery -> Freelander -> Hand-Brake Adjustment -> Range Rover
Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS
Hand-Brake Adjustment
Discovery
- Ensure hand-brake lever is fully released.
- Raise and support rear of vehicle.
- Tighten brake shoe adjusting bolt until brake drum is locked, then back off adjusting bolt 11/2 turns.
- Ensure brake drum is free to rotate.
- Lower vehicle.
- Inspect hand-brake operation. Hand brake should be fully engaged in three clicks. If not, then cable requires adjustment.
- Remove switch panel from center console.
- Remove hand-brake lever boot from center console.
- Rotate adjuster counterclockwise to increase cable tension or clockwise to decrease cable tension.
- Inspect hand-...
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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 -> Emission Maintenance Reminder Indicator ->
Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS
The emission maintenance reminder is designed to activate at 52,500 miles and 105,000 miles and will illuminate a Service Engine warning lamp on the instrument cluster.
The emission maintenance reminder must be reset after the required service has been performed and a new tamper-proof label should be installed. The reminder reset procedure is a...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Land Rover Discovery AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS
Lower
- Drain coolant into a suitable container.
- Reposition hose clamp at radiator and remove hose.
- Reposition hose clamp at thermostat housing and remove hose.
- Remove hose from vehicle.
- Reverse procedure to install.
Upper
- Drain coolant i...
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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 DiagramComponents on diagram: |
 2003 Land Rover Discovery 4.6 V8 GAS Wiring DiagramComponents 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+.
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Document: WINDSHIELD WIPER NOISE, JUDDER OR STREAKING - CLEANING PROCEDURE Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS Symptoms: |
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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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