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2003 Ford Mustang CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator 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 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
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A/C & HEATER SERVICE PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES
General Service Domestic Vehicles -> 2003-04 -> System Inspection -> Compressor -> Condenser -> Evaporator -> Receiver-Drier/Accumulator -> Refrigerant Line Restrictions -> Thermostatic Expansion Valve
Vehicle: 2003 Ford Mustang 3.8 V6 GAS
While a detailed diagnostic procedure for all air conditioning systems would be impractical due to the many variations in construction and operation, there are three fundamental components of a total diagnosis:
- Refrigerant systems must have an adequate, but not excessive charge.
- Determination must be made whether the refrigerant system is governed by a cycling clutch compressor or by valves which control evaporator pressure.
- The air distribution system (blower motor, switches, vacuum lines and air ducts) must be operational before checking the ...
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BRAKE SERVICE PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES
Disc Brakes -> Rear Disc & Parking Brakes -> Brake Pad Service -> Continental, Cougar, Mustang, Sable & Taurus -> Contour & Mystique -> Crown Victoria, Grand Marquis, Marauder & Town Car -> Escort, Tracer & ZX2 -> Installation -> LS & Thunderbird -> Removal -> Replacement
Vehicle: 2003 Ford Mustang GT 4.6 V8 GAS
On models with anti-lock brakes, the brake system power booster must be depressurized before disconnecting any hydraulic lines or fittings. Depressurize the system by pumping the brake pedal a minimum of 25 times with the ignition in the Off position.
After performing any service work, obtain a firm brake pedal before moving the vehicle.
Continental, Cougar, Mustang, Sable & Taurus
Removal
On models with air suspension, turn service switch Off before beginning repairs.
- Raise and support rear of vehicle, then remove wheel and tire assembly.
- Remove brake hose bracket to shock unit bra...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES
Ford Motor Co. Passenger Cars -> Fuel Filter Scheduled Maintenance -> 1999-06 Mustang -> Normal Service -> Severe Service
Vehicle: 2003 Ford Mustang 3.8 V6 GAS
Normal Service
Replace every 30,0...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 2003 Ford Mustang Cobra 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...
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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 Fuel Cap Lamp ->
Vehicle: 2003 Ford Mustang 3.8 V6 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 Mustang AUTOMOBILES
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2003 Ford Mustang GT 4.6 V8 GAS
Inlet
- Drain cooling system into a suitable container.
- 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.
- Reposition heater hose outlet clamp at heater core.
- Disconnect heater outlet hose from heater co...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Ford Mustang AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Ford Mustang 3.8 V6 GAS
- Lift or rotate automatic tensioner.
- Remove belt(s).
- Install new bel...
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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+.
 Full Body, Coupe Diagram for 2003 Ford Mustang Cobra 4.6 V8 GASComponents on diagram: |
 Steering Gear Diagram for 2003 Ford Mustang Mach 1 4.6 V8 GASComponents on diagram: |
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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 Cobra 4.6 V8 GAS Wiring DiagramComponents on diagram: |
 2003 Ford Mustang GT 4.6 V8 GAS Wiring DiagramComponents on diagram: |
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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+.
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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 Mustang 3.8 V6 GAS Auto Systems: |
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Document: RECALL - 1992-2004 MULTIPLE VEHICLE LINES - SPEED CONTROL SYSTEM MODIFICATION Vehicle: 2003 Ford Mustang 3.8 V6 GAS |
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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
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