2003 Ford Mustang REPAIR MANUAL -- HOW TO FIX YOUR CAR OR TRUCK

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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

Compressor Service -> Shaft Seal, Replace -> FS-10 -> Installation -> Removal
Vehicle: 2003 Ford Mustang Cobra 4.6 V8 GAS

FS-10

Removal
  • Clamp compressor in suitable support, then remove clutch hub as outlined in "Clutch Hub & Pulley, Replace."
  • Remove shaft seal felt from nose of compressor.
  • Remove snap ring as follows:
    • Insert tip of snap ring remover tool No. T89P-19623-DH, or equivalent, into one eye of the snap ring, Fig. .
    • Rotate snap ring until eye is close to compressor shaft, Fig. .
    • Keeping tool shaft against side of nose opening, quickly pull upward and remove snap ring, Fig. .
  • Push shaft seal remover over compressor ...

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BRAKE SERVICE PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

Power Brake Units -> Troubleshooting -> Bendix Diaphragm Types -> Bendix Hydro-Boost Type -> Brakes Grab -> Erratic Booster Operation, Binding, Grabbing Or Sticking -> Hard Pedal Or No Assist -> No Or Slow Release -> No Power Assist
Vehicle: 2003 Ford Mustang Mach 1 4.6 V8 GAS

Complaints about power brake operation should be handled as if two separate systems exist. Inspect for faults in the hydraulic system first. If it is satisfactory, start inspecting the power brake circuit. For a quick inspection of proper power unit operation, press the brake pedal firmly and then start the engine. The pedal should fall away slightly and less pressure should be needed to maintain the pedal in any position.

Another inspection begins with installation of a suitable pressure gauge in the brake hydraulic system. Take a reading with the engine Off and the power unit n...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

Ford Motor Co. Passenger Cars -> Component Locations -> 1987-06 Mustang
Vehicle: 2003 Ford Mustang GT 4.6 V8 GAS

Refer to Fig...

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

DRIVESHAFT, Replace
Vehicle: 2003 Ford Mustang Mach 1 4.6 V8 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 Cobra 4.6 V8 GAS

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

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

Ford Motor Co. Cars -> Low Oil Level Warning Indicator ->
Vehicle: 2003 Ford Mustang GT 4.6 V8 GAS

This system is used to indicate when the engine oil level is 11/2 quarts or more below the specified level. The lamp should light during engine starting. If the oil level is sufficient, the lamp will go off when the engine is operating. If the ...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Ford Mustang 3.8 V6 GAS

Inlet

  • Drain cooling system into a suitable container.
  • Remove intake manifold.
  • Reposition heater hose inlet clamp at heater core.
  • Remove heater inlet hose from heater core.
  • Reposition heater core inlet hose clamp at engine.
  • Remove hose from engine.
  • Remove hose from vehicle.
  • Reverse procedure to install.

Outlet

  • Drain cooling system into a suitable container.
  • Remove intake manifold.
  • Reposition heater hose outlet clamp at heater core.
  • Disconnect heater...

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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 Ford Mustang GT 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+.

Front Disc Brake Components Diagram for 2003 Ford Mustang Cobra 4.6 V8 GASFront Disc Brake Components Diagram for 2003 Ford Mustang Cobra 4.6 V8 GAS

Components on diagram:
  • Brake Hose
  • Disc Brake Caliper
  • Disc Brake Caliper Anchor Plate
  • Guide Pin
  • Full Body, Convertible Diagram for 2003 Ford Mustang GT 4.6 V8 GASFull Body, Convertible Diagram for 2003 Ford Mustang GT 4.6 V8 GAS

    Components on diagram:
  • Power Window Motor
  • Speaker
  • Subwoofer
  • Connector C-612
  • Connector C-523
  • 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 Mach 1 4.6 V8 GAS Wiring Diagram2003 Ford Mustang Mach 1 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Main Light Switch
  • Fog Lamp Relay
  • Fog Lamp Switch
  • Fog Lamp, Left Front
  • Fog Lamp, Right Front
  • 2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram2003 Ford Mustang GT 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 details1998 Ford Mustang Tail Light, Driver Side.

    Source: Auto Body Parts Store

    $83.74

    Click here to view more details about 2004 Ford Mustang Side Marker, Rear2004 Ford Mustang Side Marker, Rear, With reflectors and clear lenses; FMVSS-108, DOT and SAE approved; High quality, direct fit OE replacement side marker lights..

    Source: Auto Body Parts Store

    $37.67

    Click here to view more details1970 Ford Mustang Radiator Support, Radiator Support, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $113.50

    Click here to view more details2002 Ford Mustang V6, 3.8 L, 232 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,720.00

    Click here to view more details2003 Ford Mustang Used Parking Lamp, Passenger Side, SAND PITTING ON FACE, Good.

    Source: Used Auto Parts Store

    $70.00

    Click here to view more details2003 Ford Mustang Used Rear Axle Assembly, 3.8, AUTO, RWD 7.5 ring gear, 3.27 ratio, Without ABS, Very Good.

    Source: Used Auto Parts Store

    $491.00
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