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

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2003 Ford Focus CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford REPAIR SHOPS DON'T WANT YOU TO KNOW

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Ford Focus 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 Focus 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 Focus 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 Focus AUTOMOBILES

Air Bag System Precautions -> Ford Motor Co. -> Arming -> 1990-91 -> 1990-92 -> 1991-92 -> 1992-93 -> 1992-94 -> 1992-96 -> 1992-98 -> 1993 -> 1993-94 -> 1993-95 -> 1994 -> 1994-95 -> 1994-96 -> 1994-97 -> 1995 -> 1995-2004 -> 1995-96 -> 1995-98 -> 1996-97 -> 1996-99 -> 1997-2000 -> 1997-2001 -> 1997-2004 -> 1997-99 -> 1998 -> 1998-2000 -> 1998-2002 -> 1999-2000 -> 1999-2001 -> 1999-2002 -> 1999-2004 -> 2000 -> 2000-01 -> 2000-04 -> 2001-02 -> 2001-03 -> 2001-04 -> 2002-03 -> 2002-04 -> 2004 -> Aerostar & Bronco -> Aspire -> Aviator -> Blackwood, Expedition & Navigator -> Built After February 2002 -> Built Before March 2002 -> Capri -> Continental -> Contour & Mystique -> Cougar -> Crown Victoria Grand Marquis & Marauder -> Econoline -> Escape -> Escort, Tracer & ZX2 -> Excursion -> Explorer & Mountaineer -> Explorer Sport & Sport Trac -> F Series -> Focus -> Freestar & Monterey -> Light Trucks & Vans -> LS -> Mark VII -> Mark VIII -> Mustang -> Passenger Cars -> Probe -> Ranger -> Sable & Taurus -> Tempo & Topaz -> Thunderbird -> Town Car -> Villager -> Windstar
Vehicle: 2003 Ford Focus ZX3 2.3 L4 GAS

Passenger Cars

Aspire
  • Disconnect battery ground cable.
  • Wait one minute for back-up power supply to deplete stored energy.
  • Remove restraint system diagnostic tool from driver's side air bag module electrical connector.
  • Connect driver's side air bag module electrical connector.
  • Install driver's side air bag module as outlined under "Component Service."
  • Remove restraint system diagnostic tool from passenger's side air bag module electrical connector.
  • Install passenger's side air bag module as outlined under "Component Service."
  • C...

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BRAKE SERVICE PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

Drum Brakes -> Focus -> Adjustments -> Parking Brake -> Service Brakes
Vehicle: 2003 Ford Focus ZX3 2.3 L4 GAS

Service Brakes

These models are equipped with self adjusting brake mechanisms and require no adjustment. The brakes are adjusted as required whenever the service brakes are applied.

Parking Brake

  • Remove parking brake boot clip, then the boot.
  • Ensure rear brakes are not hot when adjusting.
  • Release parking brake to its lowest position.
  • Remove clip, then loosen parking brake cable adjustment nut until there is no tension in cable.
  • Apply and release brake pedal to ensure brakes are adjusted correctly.
  • Raise and support vehicle.
  • Ensure parking brake cable is correctly routed in its clips.
  • Lower ve...

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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

Ford Motor Co. Passenger Cars -> Fuel Pressure Relief -> Focus, Fusion & Milan
Vehicle: 2003 Ford Focus ZTS 2.0 L4 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 proper direction.

After the battery has...

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

CV AXLE SHAFT, Replace
Vehicle: 2003 Ford Focus LX 2.0 L4 GAS

  • Loosen strut lock nut 5 rotations. Use Allen key to prevent piston from rotating.
  • Raise and support vehicle, then remove wheel and tire assembly.
  • Disconnect ball joint from knuckle.
  • Remove hub nut.
  • Using puller No. 204-069 and stud extension tool No. 204-085, or equivalents, Fig. , separate halfshaft from wheel hub.
  • On right side, remove intermediate shaft bearing mounting nuts.
  • On either ...

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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

Starter, Replace
Vehicle: 2003 Ford Focus LX 2.0 L4 GAS

  • Disconnect battery ground cable.
  • Remove air cleaner outlet tube.
  • Remove starter motor mounting bolts.
  • Raise and support vehicle.
  • Disconnect starter motor electrical connector.
  • Remove starter motor from veh...

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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

Cabin Air Filter Service -> Ford Motor Co. -> 2000-07 Focus
Vehicle: 2003 Ford Focus SE 2.0 L4 GAS

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.

  • Position the windshield wipers in the vertical position.
  • Open the hood.
  • Remove the caps from the righthand side air cowl grille retaining screws.
  • Remove the righthand side air cowl grille retaining screws, then the grille.
  • Open the service flap, then remove the cabin air filter ...

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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

Ford Motor Co. Cars -> Traction Control System Warning Lamp ->
Vehicle: 2003 Ford Focus LX 2.0 L4 GAS

This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warni...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Ford Focus SE 2.0 L4 GAS

Lower

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

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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

Serpentine Drive Belt, Replace
Vehicle: 2003 Ford Focus LX 2.3 L4 GAS

  • Ensure transmission is in Neutral position, then raise and support vehicle.
  • Remove mounting bolts...

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COMPONENT LOCATION DIAGRAMS FOR 2003 Ford Focus AUTOMOBILES

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

Engine Compartment Diagram for 2003 Ford Focus ZTW 2.0 L4 GASEngine Compartment Diagram for 2003 Ford Focus ZTW 2.0 L4 GAS

Components on diagram:
  • Speed Control Module
  • ABS Control Module
  • Electronic Stability Program Module
  • Connector C-555
  • Connector C-556
  • Brake Component Locations Diagram for 2003 Ford Focus SE 2.3 L4 GASBrake Component Locations Diagram for 2003 Ford Focus SE 2.3 L4 GAS

    Components on diagram:
  • Wheel Hub
  • Brake Caliper
  • Wheel Knuckle
  • Brake Disc
  • Brake Pad
  • CLICK HERE TO GET FULL ACCESS TO 2003 Ford Focus PARTS/COMPONENTS LOCATION DIAGRAMS!

    WIRING DIAGRAMS FOR 2003 Ford Focus AUTOMOBILES

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

    2003 Ford Focus SE 2.0 L4 GAS Wiring Diagram2003 Ford Focus SE 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Panel Illumination
  • Seat Heater Switch, Driver Side
  • Seat Heater Switch, Passenger Side
  • 2003 Ford Focus ZTS 2.3 L4 GAS Wiring Diagram2003 Ford Focus ZTS 2.3 L4 GAS Wiring Diagram

    Components on diagram:
  • Master Window Adjust Switch
  • Window Adjust Switch- Passenger Side
  • Power Window Motor- Left Front
  • Power Window Motor- Right Front
  • CLICK HERE TO GET FULL ACCESS TO 2003 Ford Focus WIRING DIAGRAMS!

    TECHNICAL SERVICE BULLETINS FOR 2003 Ford Focus AUTOMOBILES

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

    Document: ENGINE VIBRATION AT IDLE - REVISED
    Vehicle: 2003 Ford Focus SE 2.0 L4 GAS

    Symptoms:
  • Vibration
  • Auto Systems:
  • Gasoline Engines
  • Document: CLUTCH PEDAL RETURN SPRING NOISE AND/OR FREE PLAY - REVISED
    Vehicle: 2003 Ford Focus SE 2.0 L4 GAS

    Symptoms:
  • Noise
  • Insufficient Performance
  • Auto Systems:
  • Manual Trans, Clutches, Linkage, MTX
  • CLICK HERE TO GET FULL ACCESS TO 2003 Ford Focus TECHNICAL SERVICE BULLETINS!

    COMPONENT/PARTS SPECIFICATIONS FOR 2003 Ford Focus AUTOMOBILES

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

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