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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
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- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Ford Explorer car and truck
repair procedures including Ford 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
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A/C & HEATER SERVICE PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Computer Relearn Procedures -> Ford Motor Co. -> 1999-2002 -> 2003-04 -> Automatic Data Transfer -> Except 1999-2002 -> Manual Data Entry -> Powertrain Control Module (PCM)
Vehicle: 2003 Ford Explorer 4.0 V6 FLEX
Powertrain Control Module (PCM)
Except 1999-2002
Disconnect negative battery cable for a minimum of five minutes. After clearing memory, it is required to drive vehicle a minimum of 10 miles to allow PCM time to relearn operating strategy.
1999-2002
Automatic Data Transfer
- Prior to removing old PCM, connect a suitably programmed scan tool to Data Link Connector (DLC).
- Follow scan tool manufacturers' instructions to download data from old PCM.
- Install new PCM and connect scan tool to DLC.
- Follow scan tool manufactur...
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BRAKE SERVICE PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Anti-Lock Brakes -> Explorer & Mountaineer -> Precautions -> Brake Fluid Handling
Vehicle: 2003 Ford Explorer Sport 4.0 V6 GAS
Brake Fluid Handling
Brake fluid can cause serious injury and vehicle damage if not handled properly. Avoid ...
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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 4.0 V6 FLEX
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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 4.0 V6 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 Replacement -> Pressure Monitor Sensor Replacement
Vehicle: 2003 Ford Explorer Sport 4.0 V6 GAS
Pressure Monitor Sensor Replacement
Use only tool no. 204-354 anytime tire pressures are measured to be sure that accurate values are obtained. Place air chuck straight on the valve stem to inflate tire. Do not cock air chuck during inflation cycle. Doing so can damage valve stem and cause air leaks. Ford recommends using a round head air chuck on tire pressure sensors; it is not recommended to use air chucks with long shanks. Doing so can cause tire pressure sensor valve stem damage and loss of tire pressure.
- Remove wheel and tire assembly.
- With valve stem at the 6 o'clock ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Ford Explorer 4.0 V6 GAS
- Disconnect battery ground cable:
- Disconnect alternator drive belt.
- Position protective cover aside, remove and discard generator B+ terminal nut.
- Disconnect alternator B+ terminal and electrical connectors.
- Remove alternator mounting bolts.
- Remov...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Ford Motor Co. Trucks -> Low Coolant Lamp ->
Vehicle: 2003 Ford Explorer 4.0 V6 GAS
This lamp should light when engine coolant level in the radiator drops below a predetermined le...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Ford Explorer Sport 4.0 V6 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition heater core inlet hose clamp at heater inlet tube.
- Remove hose from heater inlet tube.
- Reposition heater hose inlet clamp at heater core.
- Remove heater inlet hose from heater core.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Drain cooling system into a suitable container.
- Reposition heater hose outlet clamp at heater core.
- Disconnect heater out...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Ford Explorer AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Ford Explorer 4.6 V8 GAS
Always use square drive tool in hole in tensioner to move tensioner. Never pry on tensioner pulley. When releasing drive belt tensioner, never allow tensioner to snap back. Damage to tensioner or pers...
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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+.
 Engine Compartment Component Location Views Diagram for 2003 Ford Explorer Sport 4.0 V6 GASComponents on diagram: |
 Engine Compartment Component Location Views Diagram for 2003 Ford Explorer 4.0 V6 FLEXComponents 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.
 2003 Ford Explorer Sport 4.0 V6 GAS Wiring DiagramComponents on diagram: |
 2003 Ford Explorer 4.6 V8 GAS Wiring DiagramComponents 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+.
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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: |
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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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