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2003 Ford Mustang 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!

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Ford Mustang 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 Mustang 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 Ford 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 Ford Mustang 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 Ford Mustang 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 Mustang Cobra 4.6 V8 GAS

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 Mustang AUTOMOBILES

Disc Brakes -> Rear Disc & Parking Brakes -> Parking Brake Service -> Crown Victoria, Grand Marquis, Marauder & Town Car -> Parking Brake Linings, Replace
Vehicle: 2003 Ford Mustang Mach 1 4.6 V8 GAS

Parking Brake Linings, Replace

Crown Victoria, Grand Marquis, Marauder & Town Car
  • Remove tire and wheel assembly.
  • Remove brake rotor.
  • Remove brake shoe adjusting screw spring, then the brake shoe adjusting screw.
  • Remove brake shoe hold down springs.
  • Remove parking bake shoe and linings.
  • Reverse procedure to install noting the f...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

Ford Motor Co. Passenger Cars -> Fuel Filter Replacement -> Except 2002-05 Thunderbird, 2000-06 LS, 1984-87 Escort, Tracer, Tempo & Topaz 2.0L Diesel Engine & 1984-85 Continental & Mark VI 2.4L Diesel Engine
Vehicle: 2003 Ford Mustang Mach 1 4.6 V8 GAS

Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.

Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.

When installing the fuel filter, ensure the flow arrow is facing in the pro...

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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

DRIVESHAFT, Replace
Vehicle: 2003 Ford Mustang 3.8 V6 GAS

  • Raise and support vehicle.
  • Remove exhaust hangers from rubber mounts.
  • Remove two mounting nuts on lefthand side exhaust flange.
  • Lower the muffler pipe to clear flange, then move muffler forward to disconnect third exhaust hanger.
  • Mark driveshaft companion flange to pinion flange for installation align...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

Starter, Replace
Vehicle: 2003 Ford Mustang 3.8 V6 GAS

  • Disconnect battery ground cable.
  • Raise and support vehicle.
  • Remove ground cable nut.
  • Remove solenoid protective cap and wiring nuts. Position wiring aside.
  • Remove starter motor mounting bolts, then starter motor from vehicle...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

Ford Motor Co. Cars -> Check Engine Lamp/Malfunction Indicator Lamp (MIL)/Service Engine Soon Lamp -> 1998-2006 Models -> Keep Alive Memory (KAM) Reset & PCM Reset Less Electronic Tester -> PCM Reset Using Generic Scan Tool
Vehicle: 2003 Ford Mustang 3.8 V6 GAS

This lamp should light when the ignition is turned On. After engine starts, the lamp should go off, unless a fault condition is detected by the EEC-V system. If the lamp remains On or starts to blink, a diagnostic trouble code is stored in the PCM. Following diagnosis and repair, the Check Engine/MIL lamp will automatically reset when stored diagnostic trouble codes are cleared from PCM memory. The PCM reset procedure allows the scan tool to command the PCM to clear all diagnostic trouble codes.

A temporary fault such as running out of fuel, poor quality or water in fuel or loos...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

Radiator, Replace
Vehicle: 2003 Ford Mustang 3.8 V6 GAS

  • Drain radiator and degas bottle coolant into suitable container.
  • Disconnect cooling fan motor electrical connector and separate fan harness from shroud.
  • Remove fan shroud left and righthand mounting bolts.
  • Remove cooling fan, motor and shroud as an assembly.
  • Remove radiator sight shield.
  • Disconnec...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 Ford Mustang Cobra 4.6 V8 GAS

  • Insert a suitable square drive tool into square hole in tensioner arm, then rotate tensioner...

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COMPONENT LOCATION DIAGRAMS FOR 2003 Ford Mustang AUTOMOBILES

Component location diagrams for most 2003 Ford Mustang cars and light trucks sold in the U.S. from 1990+.

Behind Dash Panel Diagram for 2003 Ford Mustang  3.8 V6 GASBehind Dash Panel Diagram for 2003 Ford Mustang 3.8 V6 GAS

Components on diagram:
  • Data Link Connector
  • Radio
  • Luggage Compartment Lid Release Switch
  • Function Selector Switch Assembly
  • Connector C-207
  • Instrument Panel Components Diagram for 2003 Ford Mustang GT 4.6 V8 GASInstrument Panel Components Diagram for 2003 Ford Mustang GT 4.6 V8 GAS

    Components on diagram:
  • A/C Evaporator Register Duct
  • A/C Evaporator Register
  • Defroster Duct
  • Demister Nozzle Duct
  • CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Ford Mustang AUTOMOBILES

    OEM drawn wiring diagrams for most 2003 Ford Mustang cars and light trucks sold in the U.S.

    2003 Ford Mustang  3.8 V6 GAS Wiring Diagram2003 Ford Mustang 3.8 V6 GAS Wiring Diagram

    Components on diagram:
  • Exterior Rear View Mirror Switch
  • Right Mirror Motor
  • Left Mirror Motor
  • Exterior Rear View Mirror, Right
  • Exterior Rear View Mirror, Left
  • 2003 Ford Mustang Cobra 4.6 V8 GAS Wiring Diagram2003 Ford Mustang Cobra 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Subwoofer, Left Rear
  • Subwoofer, Right Rear
  • CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Ford Mustang AUTOMOBILES

    OEM TSB listings for most 2003 Ford Mustang cars and light trucks sold in the U.S. from 1985+.

    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 Mustang 3.8 V6 GAS

    Auto Systems:
  • Chassis Electrical, Wiring, Fuses & Breakers, Wipers, Motors
  • Document: RECALL - 1992-2004 MULTIPLE VEHICLE LINES - SPEED CONTROL SYSTEM MODIFICATION
    Vehicle: 2003 Ford Mustang 3.8 V6 GAS

    CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Ford Mustang AUTOMOBILES

    BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Ford Mustang 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 Mustang 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 Mustang 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 Mustang 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 Ford Mustang SPECIFICATIONS DATA!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details2009 Ford Mustang Bumper Cover, Rear.

    Source: Auto Body Parts Store

    $377.44

    Click here to view more details2007 Ford Mustang Headlight, Driver Side, Bulbs included; Composite and halogen type; DOT and SAE approved; A high quality, direct fit OE replacement headlight assembly; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $164.19

    Click here to view more details1998 Ford Mustang 15" Aftermarket Wheel Covers, Aftermarket Wheel Covers; 15 Inch; Silver Finish; ABS; 5 Spoke; Standard Retention, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $23.50

    Click here to view more details about 1979 Ford Mustang Mach I V8, 5 L, 302 CID Rebuilt Engine1979 Ford Mustang Mach I V8, 5 L, 302 CID Rebuilt Engine, Crank #2M, 2MA, Smog, Dipstick rear of block. Not Versailles. If '80 check crank number., Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,297.00

    Click here to view more details2002 Ford Mustang Used Rear View Mirror, Manual mirror, Very Good.

    Source: Used Auto Parts Store

    $47.00

    Click here to view more details1987 Ford Mustang Used Parking Lamp, Passenger Side, Parklamp/Turn Signal, (headlamp mtd), in, Good.

    Source: Used Auto Parts Store

    $45.00
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