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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
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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
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Component Replacement & Adjustment -> F-150 -> Heater Core, Replace -> 2003 -> 2004
Vehicle: 2003 Ford F-150 Pickup Lightning 5.4 V8 GAS
2003
- Drain coolant into suitable container.
- Remove instrument panel as outlined under "Instrument Panel, Replace."
- Disconnect heater core hoses.
- Remove mounting screws and plenum demister adapter.
- Remove mounting screws and position relay bracket aside.
- Disconnect vacuum line.
- Remove 15 mounting screws and plenum chamber top.
- Remove blend door.
- Remove heater core.
- Reverse procedure to install.
2004
- Remove instrument panel as ...
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BRAKE SERVICE PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Drum Brakes -> E-150-E-250, Econoline, F-150-250 & Ranger -> Tightening Specifications
Vehicle: 2003 Ford F-150 Pickup Lightning 5.4 V8 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Ford Motor Co. Light Trucks, SUVs & Vans -> Component Locations -> Blackwood, 1997-03 F150, 1997-06 F250LD, Expedition & Navigator
Vehicle: 2003 Ford F-150 Pickup 5.4 V8 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble -> Double Cardan -> Single Cardan, Flange Yoke -> Single Cardan, Slip Yoke
Vehicle: 2003 Ford F-150 Pickup Lightning 5.4 V8 GAS
Single Cardan, Slip Yoke
Disassemble
Do not, under any circumstance, clamp the shaft in the jaws of a vise or similar holding fixture. Denting or localizing fracture can result, causing shaft failure during vehicle operation. Place the shaft on a suitable workbench. Do not damage the tube. If components are not marked and installed incorrectly, driveline imbalance can occur.
- Index-mark the shaft components.
- Remove and discard all four snap rings.
- Clamp bearing cup removal tool No. 205-086 or equivalent in a vise.
- If necessary, use a pair of pliers to remove a bearing cup t...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Ford F-150 Pickup Lightning 5.4 V8 GAS
- Disconnect battery ground cable.
- Remove air cleaner inlet and outlet tubes.
- Rotate accessory drive belt tensioner clockwise, then position drive belt aside.
- Release alternator harness locator from alternator bracket.
- Remove alternator harness bracket mounting bolts, then bracket.
- Loosen alternator mou...
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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 4.6 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 -> Check Fuel Cap Lamp ->
Vehicle: 2003 Ford F-150 Pickup 4.6 V8 GAS
The Check Fuel Cap Lamp will illuminate momentarily when the ignition switch is placed in the On position as a bulb check. If the lamp remains...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford F-150 Pickup AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Ford F-150 Pickup 5.4 V8 BI-FUEL
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator.
- Reposition hose clamp from water pump inlet.
- Remove radiator outlet hose from water pump inlet and from vehicle.
- Reverse procedure...
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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 Lightning 5.4 V8 GAS
- 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+.
Daytime Running Lamps System Diagram for 2003 Ford F-150 Pickup Lightning 5.4 V8 GAS Components on diagram: |
Transmission Component Location Views Diagram for 2003 Ford F-150 Pickup 4.6 V8 GAS Components on diagram: |
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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 4.6 V8 GAS Wiring Diagram Components on diagram: |
2003 Ford F-150 Pickup 4.2 V6 GAS Wiring Diagram Components 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+.
Document: WHITE FLAKES COMING FROM A/C VENTS - REVISED Vehicle: 2003 Ford F-150 Pickup 4.6 V8 GAS Auto Systems: |
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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