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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!
    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 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

    Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
    Vehicle: 2003 Ford Focus ZTW 2.3 L4 GAS

    [[table data]]

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

    BRAKE SERVICE PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

    Drum Brakes -> Focus -> Precautions -> Battery Ground Cable -> Safety Precautions
    Vehicle: 2003 Ford Focus SVT 2.0 L4 GAS

    Battery Ground Cable

    Prior to service, disconnect battery ground cable and isolate as required.

    Safety Precautions

    When working on or around brake assemblies, care must be taken to prevent breathing asbestos dust. Many manufacturers incorporate asbestos fibers in the production of brake linings. During routine service operations, the amount of asbestos dust from brake lining wear is at a low level due to a chemical breakdown during use. Do not sand or grind brake linings unless suitable local exhaust ventilation equipment is used to prevent excessive asbestos exposure.

    • Wear suitable res...

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

    FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

    Ford Motor Co. Passenger Cars -> Fuel Filter Scheduled Maintenance -> Focus -> Normal Service -> Severe Service
    Vehicle: 2003 Ford Focus SVT 2.0 L4 GAS

    Normal Service

    Replace every 30,000 mi...

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

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

    CV AXLE SHAFT, Replace
    Vehicle: 2003 Ford Focus ZX3 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 ...

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

    STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

    Alternator, Replace
    Vehicle: 2003 Ford Focus ZTW 2.3 L4 GAS

    • Disconnect battery ground cable.
    • Remove alternator heat shield top nut.
    • Raise and support vehicle.
    • Remove lower splash shield screws and splash shield.
    • Release accessory drive belt tensioner, then remove alternator drive belt.
    • Remove alternator heat shield lower nut, then remove heat shield.
    • Release air intake tube retainer and remove air intake assembly.
    • Remove alternator B+ terminal cable and disconnect B+ terminal cable.
    • Remove alternator mounting bolt and nuts. Then lower vehicle.
    • Disconnect alternator electrical connector.
    • Remove alternator upper mounting...

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

    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 ZX3 2.3 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 ...

    CLICK HERE TO GET FULL ACCESS TO 2003 Ford Focus CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES

    MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

    Ford Motor Co. Cars -> Electronic Throttle Control ->
    Vehicle: 2003 Ford Focus ZTW 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 ...

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

    RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

    Coolant Hose, Replace -> Lower -> Upper
    Vehicle: 2003 Ford Focus ZX5 2.3 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...

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

    SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Ford Focus AUTOMOBILES

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

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

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

    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+.

    Transaxle Components Diagram for 2003 Ford Focus SE 2.3 L4 GASTransaxle Components Diagram for 2003 Ford Focus SE 2.3 L4 GAS

    Components on diagram:
  • Gearshift Lever
  • Selector Lever
  • Selector Cable
  • Gearshift Cable
  • A/C Compressor Diagram for 2003 Ford Focus LX 2.3 L4 GASA/C Compressor Diagram for 2003 Ford Focus LX 2.3 L4 GAS

    Components on diagram:
  • A/C Compressor
  • 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 SVT 2.0 L4 GAS Wiring Diagram2003 Ford Focus SVT 2.0 L4 GAS Wiring Diagram

    Components on diagram:
  • Master Window Adjust Switch
  • Power Window Motor, Right Front
  • Power Window Motor, Left Front
  • 2003 Ford Focus SE 2.3 L4 GAS Wiring Diagram2003 Ford Focus SE 2.3 L4 GAS Wiring Diagram

    Components on diagram:
  • Speed Control Servo
  • Powertrain Control Module
  • Clutch Pedal Position Switch
  • Stoplamp Switch
  • High Mounted Stoplamp
  • 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!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details2008 Ford Focus Brake Shoe Set, Rear, Asbestos free; This is a set of high quality, OE replacement brake shoes..

    Source: Auto Body Parts Store

    $22.93

    Click here to view more details about 2008 Ford Focus Grille Assembly2008 Ford Focus Grille Assembly, With emblem provision, chrome molding, and mesh grille insert; A high quality, direct fit OE replacement grille assembly..

    Source: Auto Body Parts Store

    $60.86

    Click here to view more details2007 Ford Focus Aftermarket Wheel Covers, AFTERMARKET WHEEL COVERS, 15 INCH, SILVER ABS 9 WIDE SPOKE5 LUG COVERBOLT ON APPLICATION, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $25.45

    Click here to view more details2002 Ford Focus LX L4, 2 L, 1989 CC, 122 CID Rebuilt Engine, SOHC, Warranty: 7-Year/70,000 Mile, .

    Source: Rebuilt Engines Store

    $2,020.00

    Click here to view more details2012 Ford Focus Used Ignition Switch W/Key, (INTELLIGENT ACCESS) WITH FOB, Very Good.

    Source: Used Auto Parts Store

    $65.00

    Click here to view more details2000 Ford Focus Used Air Flow Meter/Sensor, 2.0, AUTO, FWD, Very Good.

    Source: Used Auto Parts Store

    $77.00
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