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2003 Ford F-150 Pickup CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford 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
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & 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 F-150 Pickup 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
your Ford F-150 Pickup automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 2003 Ford F-150 Pickup 5.4 V8 CNG
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BRAKE SERVICE PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Hydraulic Brake Systems -> Brake System Bleed -> Anti-Lock Brake System Hydraulic Control Unit -> Anti-Lock Brakes -> Aviator, Explorer & Mountaineer -> Bench -> Caliper -> E-Series & F-Series -> Escape -> Excursion, Explorer Sport/Sport Trac, F-Super Duty, Motorhome, Ranger & Windstar -> Expedition & Navigator -> Four Wheel Anti-Lock Brake System -> Gravity -> Gravity Bleed -> In Vehicle -> Manual -> Manual Bleed -> Master Cylinder -> Pressure -> Pressure Bleed -> Villager
Vehicle: 2003 Ford F-150 Pickup 5.4 V8 BI-FUEL
Aviator, Explorer & Mountaineer
Master Cylinder
- Connect one end of a clear flexible hose to master cylinder bleeder screw. Submerge other end in a container partially filled with suitable brake fluid.
- Have an assistant pump and then hold firm pressure on brake pedal.
- Open master cylinder bleeder screw until brake fluid flows into container.
- When fluid stops flowing, close bleeder screw.
- Repeat procedure until there are no air bubbles in fluid.
- Have an assistant pump and then hold firm pressure on brake pedal.
- Loosen a master cylinder tube fitting at anti-lock brake hydraulic control ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Ford Motor Co. Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> Except Diesel Engines & Villager
Vehicle: 2003 Ford F-150 Pickup 4.6 V8 GAS
The fuel system remains under high pressure even when the engine is not running. This residual pressure must be relieved before servicing the fuel system. To avoid injury or fire, release pressure from the fuel system before disconnecting any fuel line.
The fuel system pressure must be relieved prior to disconnecting fuel lines to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven 10 miles or more while it relearns its adaptive strategy.
On model...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
DRIVESHAFT, Replace -> Front -> One Piece Driveshaft -> Rear -> Three Piece Driveshaft -> Two Piece Driveshaft
Vehicle: 2003 Ford F-150 Pickup Lightning 5.4 V8 GAS
Front
- Raise and support the vehicle.
- Index-mark front driveshaft to front axle flange and at transfer case flange.
- Remove and discard bolts and U-joint retainers.
- Remove and discard four flange bolts.
- Compress and separate front driveshaft from front axle, then separate driveshaft from transfer case. Wrap electrical tape around the bearing cups to prevent them from falling off the U-joint spider.
- Reverse procedure to install, noting the following:
- Torque flange bolts to 30 ft. lbs.
- Torque U-joint retainer bolts to 16 ft. lbs.
Rear
One Piece Driveshaft
- Raise and support vehicle.
- To maint...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Ford F-150 Pickup 4.2 V6 GAS
- Disconnect battery ground cable.
- Rotate accessory drive belt tensioner counterclockwise, then position drive belt aside.
- Disconnect alternator electrical connector.
- Position alternator B+ terminal protective boot aside, remove nut, then disconnect B+ terminal connector.
- Remove air conditioning l...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Cabin Air Filter Service -> Ford Motor Co. -> 1997-2007 Expedition, F-150, Navigator, 2002 Blackwood & 2006-07 Mark LT
Vehicle: 2003 Ford F-150 Pickup HARLEY-DAVIDSON Edition 5.4 V8 GAS
On these models, the cabin air filter is an option.
Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
- From under passenger side of the instrument panel behind the glove compartment, remove the cabin air filter cover to the bottom of the heater plenu...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Ford Motor Co. Trucks -> Rear Load Leveling (CHECK SUSP) ->
Vehicle: 2003 Ford F-150 Pickup 4.6 V8 GAS
The CHECK SUSP indicator lights when there is a fault of the rear load ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Ford F-150 Pickup 5.4 V8 CNG
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 ins...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Ford F-150 Pickup 5.4 V8 BI-FUEL
- Rotate drive belt tensioner counterclockwise, using a 1/2 square hole in drive belt tensioner pull...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Ford F-150 Pickup AUTOMOBILES
Component location diagrams for most 2003 Ford F-150 Pickup cars and light trucks sold in the U.S. from 1990+.
 Engine Compartment Component Location Views Diagram for 2003 Ford F-150 Pickup 5.4 V8 CNGComponents on diagram: |
 Behind Dash Panel Diagram for 2003 Ford F-150 Pickup HARLEY-DAVIDSON Edition 5.4 V8 GASComponents on diagram: |
CLICK HERE TO GET FULL ACCESS TO 2003 Ford F-150 Pickup PARTS/COMPONENTS LOCATION DIAGRAMS!
WIRING DIAGRAMS FOR 2003 Ford F-150 Pickup AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Ford F-150 Pickup cars and light trucks sold in the U.S.
 2003 Ford F-150 Pickup 5.4 V8 BI-FUEL Wiring DiagramComponents on diagram: |
 2003 Ford F-150 Pickup 4.6 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Ford F-150 Pickup AUTOMOBILES
OEM TSB listings for most 2003 Ford F-150 Pickup cars and light trucks sold in the U.S. from 1985+.
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Document: WHITE FLAKES COMING FROM A/C VENTS - REVISED Vehicle: 2003 Ford F-150 Pickup 4.6 V8 GAS Auto Systems: |
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Document: RECALL - CERTAIN 1992-2003 MODEL YEAR CARS AND TRUCKS - FUSED JUMPER HARNESS REPLACEMENT FOR VEHICLES SERVICED WITH AN INCOMPATIBLE FUSED JUMPER HARNESS Vehicle: 2003 Ford F-150 Pickup 4.6 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Ford F-150 Pickup AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Ford F-150 Pickup 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 F-150 Pickup 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 F-150 Pickup 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 F-150 Pickup 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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