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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!
    DIY REPAIR SAMPLES > CONTINUE EXPLORING >
    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 3.8 V6 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...

    CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang A/C & HEATER SERVICE PROCEDURES

    BRAKE SERVICE PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

    Hydraulic Brake Systems -> Hydraulic Brake System Specifications
    Vehicle: 2003 Ford Mustang Mach 1 4.6 V8 GAS

    [[table data]]

    CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang BRAKE SERVICE PROCEDURES

    FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

    Ford Motor Co. Passenger Cars -> Component Locations -> 1987-06 Mustang
    Vehicle: 2003 Ford Mustang 3.8 V6 GAS

    Refer to Fig...

    CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang FUEL FILTER REPLACEMENT PROCEDURES

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

    DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
    Vehicle: 2003 Ford Mustang GT 4.6 V8 GAS

    Disassemble

    Under no circumstances is the driveshaft assembly to be clamped in the jaws of a vise or similar holding fixture. Denting or localizing fracture can result, causing driveshaft failure during vehicle operation. Place the driveshaft on a suitable workbench, being careful not to damage the tube.

    If components are not marked and installed correctly, driveline imbalance can occur. Index-mark the positions of the driveshaft components.

    • Remove the driveshaft.
    • Clamp the U-Joint Tool in a vise.
    • Remove all four of the snap rings.
    • Position the driveshaft flange yoke in th...

    CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

    Alternator, Replace
    Vehicle: 2003 Ford Mustang 3.8 V6 GAS

    • Disconnect battery ground cable.
    • Remove serpentine drive belt from alternator pulley. Leave belt in place to ease installation.
    • Disconnect alternator electrical connections.
    • Remove alternator mounting bolts, then alter...

    CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang STARTER & ALTERNATOR REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

    Ford Motor Co. Cars -> Powertrain Malfunction Indicator ->
    Vehicle: 2003 Ford Mustang Cobra 4.6 V8 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 in the powertrain system. If the lamp remains On a diagnostic trouble code is stored in the PCM. Following diagnosis and repair, the Powertrain Malfunction Indicator 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.

    CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang MAINTENANCE LAMP RESET PROCEDURES

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 2003 Ford Mustang Cobra 4.6 V8 GAS

    Lower

    • Drain cooling system into a suitable container.
    • Reposition hose clamp from water inlet.
    • Remove radiator outlet hose from water inlet.
    • Reposition hose clamp from radiator.
    • Remove radiator outlet hose from radiator and from vehicle.
    • Reverse procedure to i...

    CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang RADIATOR & HOSE REPLACEMENT PROCEDURES

    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...

    CLICK HERE TO GET FULL ACCESS TO 2003 Ford Mustang SERPENTINE BELT SERVICE PROCEDURES

    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 Cobra 4.6 V8 GASBehind Dash Panel Diagram for 2003 Ford Mustang Cobra 4.6 V8 GAS

    Components on diagram:
  • Relay Box
  • Passive Anti-Theft Transceiver Module
  • Air Bag Sliding Contact
  • Central Junction Box
  • Connector C-313
  • 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:
  • Fuel Pump
  • Door Lock Actuator
  • Speaker
  • Convertible Top Lower Relay
  • Inertia Fuel Shutoff Switch
  • 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 GT 4.6 V8 GAS Wiring Diagram2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Starter Relay
  • Starter Motor
  • 2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram2003 Ford Mustang GT 4.6 V8 GAS Wiring Diagram

    Components on diagram:
  • Parking Brake Switch
  • Convertible Top Switch
  • Convertible Top Raise Relay
  • Convertible Top Lower Relay
  • Generic Electronic Module
  • 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 details about 1998 Ford Mustang Header Panel1998 Ford Mustang Header Panel, A high quality, direct fit OE replacement header panel; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $67.31

    Click here to view more details about 2009 Ford Mustang Headlight, Driver Side2009 Ford Mustang Headlight, Driver Side, Bulbs included; Composite and halogen type; CAPA certified; DOT and SAE approved; A high quality, OE replacement headlight assembly; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $85.93

    Click here to view more details about 1998 Ford Mustang 16" X 7.5" Alloy Wheel1998 Ford Mustang 16" X 7.5" Alloy Wheel, ALLOY WHEEL, 16 X 7.5, 5 STUDS/LUGS, 4.5" BOLT DIA, 5 SPOKES, SPARKLE SILVER, COMESWITH OR WITHOUT NOTCH FOR CENTER CAP., , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $111.45

    Click here to view more details1982 Ford Mustang Ghia L6, 3.3 L, 200 CID Rebuilt Engine, Block #E1BE-FA, D8BZ-GD, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $1,477.00

    Click here to view more details2003 Ford Mustang Used Exhaust Manifold, Driver Side, NEW, 1390427T, AFTERMARKET.

    Source: Used Auto Parts Store

    $152.00

    Click here to view more details2011 Ford Mustang Used TV-Info-GPS Screen, W/NAV SCREEN, Very Good.

    Source: Used Auto Parts Store

    $602.00
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