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2003 Ford Explorer CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Charging Valve Locations -> Domestic Light Trucks & Vans -> 2003-04
Vehicle: 2003 Ford Explorer Sport 4.0 V6 GAS
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BRAKE SERVICE PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Power Brake Units -> Bendix Vacuum Brake Booster -> Description
Vehicle: 2003 Ford Explorer 4.0 V6 GAS
The single and tandem vacuum boosters,. Figs. and , are self contained vacuum hydraulic power braking units. These are vacuum suspended units that use vacuum and atmospheric pressure for their power.
On models equipped with gasoline engines, vacuum is supplied through a fitting in the intake manifold. On models equipped with diesel engines, vacuum is supplied through a vacuum pump.
The three basic elements of the booster are the vacuum power chamber, mechanically actua...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Ford Motor Co. Light Trucks, SUVs & Vans -> Fuel Shutoff Switch Location -> 1999-06 Explorer, Explorer Sport & Sport Trac & Mountaineer
Vehicle: 2003 Ford Explorer Sport 4.0 V6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
DRIVESHAFT, Replace -> Four Wheel Drive (4WD) -> Front -> Rear -> Two Wheel Drive (2WD)
Vehicle: 2003 Ford Explorer 4.6 V8 GAS
Front
The electrical power to the air suspension system must be shut off prior to hoisting, jacking or towing an air suspension vehicle. This can be accomplished by turning off the air suspension switch located in the rear jack storage area. Failure to do so can result in unexpected inflation or deflation of the air springs, which can result in shifting of the vehicle during these operations.
- With vehicle in neutral, raise and support vehicle.
- Index-mark front axle pinion flange to front driveshaft.
- Remove transfer case skid plate.
- Index-mark transfer case pinion flange to front ...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Component Locations
Vehicle: 2003 Ford Explorer 4.6 V8 GAS
Refer to F...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Starter, Replace
Vehicle: 2003 Ford Explorer 4.0 V6 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove starter motor solenoid cover.
- Remove B+ terminal nut and disconnect cable.
- Remove S terminal nut and disconnect cable.
- Remove alternator mounting bol...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Ford Motor Co. Trucks -> Message Center -> 2003-07 Explorer & Mountaineer -> System Check
Vehicle: 2003 Ford Explorer 4.0 V6 FLEX
System Check
The Message Center will perform a system inspection of monitored systems and will indicate either system is OK or a warning message. To perform the System Check proceed as follows:
- Place the ignition switch in the On position.
- Press Message Center Set Up button.
- From Set Up Menu select System Check.
- Press the RESET button to start system inspection.
- The Message Center will cycle through the monitored systems and display an OK or Warning Message for 4 seconds.
- Depressing the RESET button will cycle the Message Center through of the monitored systems.
- Pressing ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Radiator, Replace
Vehicle: 2003 Ford Explorer 4.0 V6 FLEX
- Raise and support vehicle.
- Drain cooling system into suitable...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Ford Explorer 4.0 V6 GAS
- Raise tensioner by turning counterclockwise, then remove belt.
- Install new be...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Ford Explorer AUTOMOBILES
Component location diagrams for most 2003 Ford Explorer cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Ford Explorer AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Ford Explorer cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Ford Explorer AUTOMOBILES
OEM TSB listings for most 2003 Ford Explorer cars and light trucks sold in the U.S. from 1985+.
Document: 4 WHEEL DRIVE/ALL WHEEL DRIVE - WITH CONTROL TRAC - SHUDDER ON ACCELERATION / DECELERATION OR BINDING ON SLOW TURNS Vehicle: 2003 Ford Explorer 4.6 V8 GAS Symptoms: |
Document: UNITIZED SEAL DIAGNOSIS - LEAK / GREASE OIL SEPARATION - AXLE BEARING SEAL 8.8 IFS, 8.8 IRS, AND 9.75 IRS AXLES - REVISED Vehicle: 2003 Ford Explorer 4.6 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Ford Explorer AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Ford Explorer 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 Ford Explorer 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 Ford Explorer 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 Ford Explorer 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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