2003 Land Rover Discovery REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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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

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Get Full Access 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!
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Using the Automotix DIY repair procedures will save you hundreds and even thousands of dollars! In addition, it will save you hours of touring the city searching for Land Rover mechanics you can trust. The Automotix DIY solution is particularly affordable. A full access to the entire DIY repair procedures and diagrams for your 2003 Land Rover Discovery vehicle will cost less than a single gallon of gas. Here are some of the DIY repair tips and procedures you will find here:

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 Diagram2003 Land Rover Discovery 4.6 V8 GAS Wiring Diagram

Components on diagram:
  • Battery
  • Ignition Switch
  • Lighting Switch
  • Accessory Socket
  • 2003 Land Rover Discovery  4.6 V8 GAS Wiring Diagram2003 Land Rover Discovery 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Inertia Switch
  • Cooling Fan Motor
  • Engine Coolant Temperature Sensor
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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:
  • Noise
  • Insufficient Performance
  • Auto Systems:
  • Chassis Electrical, Wiring, Fuses & Breakers, Wipers, Motors
  • Document: SHUTTLE VALVE SWITCH RELATED ABS/TC/HDC WARNING LAMP ILLUMINATION TROUBLESHOOTING - REVISED
    Vehicle: 2003 Land Rover Discovery 4.6 V8 GAS

    Auto Systems:
  • Brakes, Power Brakes, Traction Control
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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

    CLICK HERE TO GET FULL ACCESS TO 2003 Land Rover Discovery SPECIFICATIONS DATA!

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