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

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 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

Compressor Service -> Precautions -> Product Compatibility
Vehicle: 2003 Ford Focus ZTW 2.3 L4 GAS

Product Compatibility

Before replenishing refrigerant oil, ensure ...

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BRAKE SERVICE PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

Anti-lock Brakes -> Focus -> Troubleshooting -> Inspection & Verification -> Symptom Chart
Vehicle: 2003 Ford Focus SE 2.3 L4 GAS

Inspection & Verification

  • Verify ABS system concern by applying brakes under various driving conditions.
  • Perform a visual inspection of brake system for signs of mechanical or electrical damage.
  • Inspect the following for mechanical faults:
    • Low brake fluid.
    • Wheel speed sensors.
    • Anti-lock brake system sensor indicators.
    • Base brake system.
    • Wheel bearings.
  • Inspect the following for mechanical faults:
    • Fuses and fusible links.
    • ABS warning indicator lamp.
    • Red brake warning indicator lamp.
    • Wiring harness.
    • Loose, corroded or damaged connectors.
  • If a fault is found during visual inspection, repair as ne...

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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 LX 2.3 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 SVT 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 ZTW 2.3 L4 GAS

  • Disconnect battery ground cable.
  • With vehicle in neutral, position it on a hoist.
  • Remove starter motor solenoid terminal cover.
  • Remove starter wire terminal nuts and disconnect starter motor wiring.
  • Remove power steering pressure line brackets nuts, then detach powers steering pressure line bracket from stud bolt...

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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 SVT 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 -> Electronic Throttle Control ->
Vehicle: 2003 Ford Focus SE 2.3 L4 GAS

Electronic throttle displays when the system has malfunctioned and the engine has defaulted to a limp-home operation. On vehicles equipped with ...

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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Ford Focus ZX5 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 ZX5 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+.

Steering Column Switches Diagram for 2003 Ford Focus SE 2.0 L4 GASSteering Column Switches Diagram for 2003 Ford Focus SE 2.0 L4 GAS

Components on diagram:
  • Wiper/Washer Switch
  • Ignition Switch
  • Turn Signal/Flash Switch
  • Zetec-E Manual Transmission Diagram for 2003 Ford Focus SE 2.0 L4 GASZetec-E Manual Transmission Diagram for 2003 Ford Focus SE 2.0 L4 GAS

    Components on diagram:
  • Ignition Coil
  • Power Steering Pressure Switch
  • Crankshaft Position Sensor
  • Park/Neutral Position Switch
  • Heated Oxygen Sensor #12
  • 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 ZTW 2.0 L4 GAS Wiring Diagram2003 Ford Focus ZTW 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Speed Control Servo
  • Speed Control
  • Microprocessor
  • 2003 Ford Focus ZX3 2.3 L4 GAS Wiring Diagram2003 Ford Focus ZX3 2.3 L4 GAS Wiring Diagram

    Components on diagram:
  • Windshield Wiper Motor
  • Rear Window Wiper Motor
  • Generic Electronic Module
  • Rear Wiper Relay
  • Wiper/ Washer Switch
  • 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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    Source: Auto Body Parts Store

    $12.50

    Click here to view more details about 2012 Ford Focus Antenna2012 Ford Focus Antenna, 4-section mast; 1200 mm cable; With top and side key; A high quality universal fender mount antenna; May require modification or other adjustment to your vehicle upon installation; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $5.62

    Click here to view more details2016 Ford Focus 17" x 7" Alloy Wheel, Alloy Wheel; 17 X 7; 15 Spokes; 5 Lug; 4.25 Inch BP; All Painted Silver, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $142.50

    Click here to view more details2002 Ford Focus S2 L4, 2 L, 1989 CC, 122 CID Rebuilt Engine, Z-TECH DOHC, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,820.00

    Click here to view more details2014 Ford Focus Used TV-Info-GPS Screen, FRONT; DISPLAY, Without NAVIGATION; W/SYNC (4.2 SCREEN), FROM 01/02/14, ID EM5T-18B955-JB, Very Good.

    Source: Used Auto Parts Store

    $98.00

    Click here to view more details2004 Ford Focus Used Rear Lower Control Arm, Passenger Side, Passenger Side Rear, 2.0, AUTO, FWD R, Locating Arms; arm, Very Good.

    Source: Used Auto Parts Store

    $89.00
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