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2004 Ford Focus CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 2004 Ford Focus AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Wire Color Code Identification -> Domestic Vehicles
Vehicle: 2004 Ford Focus ZX3 2.0 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 2004 Ford Focus AUTOMOBILES
Hydraulic Brake Systems -> Hydraulic Brake System Flush
Vehicle: 2004 Ford Focus ZX3 2.0 L4 GAS
Whenever new brake components are installed in the hydraulic system, it is recommended that the entire hydraulic system be thoroughly flushed with clean brake fluid.
It may sometime become required to flush out the system due to the presence of mineral oil, kerosene, gasoline, etc., which will cause swelling of rubber piston cups and valves and render them inoperative.
Flushing is performed at e...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Ford Focus AUTOMOBILES
Ford Motor Co. Passenger Cars -> Fuel Pressure Relief -> Focus, Fusion & Milan
Vehicle: 2004 Ford Focus ZX3 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 2004 Ford Focus AUTOMOBILES
CV AXLE SHAFT, Replace -> Intermediate shaft -> Left side -> Right side
Vehicle: 2004 Ford Focus SE 2.3 L4 GAS
Left side
- Loosen left-hand strut and spring assembly top mount nuts by four turns.
- Loosen wheel nuts.
- Loosen wheel hub retaining nut.
- Raise and support vehicle.
- Remove left-hand wheel.
- . Detach left-hand lower arm.
- Remove pinch bolt from ball joint stud. Protect ball joint seat using a soft cloth to prevent damage.
- Detach lower arm ball joint.
- Detach left-hand drive halfshaft from wheel hub by using a commercially available puller. Unscrew and remove hub retaining nut and press out halfshaft stub from wheel hub.
- Support halfshaft. Inner halfshaft joint must not be bent by more than...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Ford Focus AUTOMOBILES
Starter, Replace
Vehicle: 2004 Ford Focus ZX3 2.0 L4 GAS
- Disconnect battery ground cable.
- Disconnect Mass Air Flow sensor.
- Disconnect breather pipe.
- Disconnect air cleaner outlet tube from throttle body and remove air cleaner.
- Remove starter motor upper mounting bolts.
- Raise and support vehicle.
- Disconnect starter motor electrical c...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Ford Focus AUTOMOBILES
Cabin Air Filter Service -> Ford Motor Co. -> 2000-07 Focus
Vehicle: 2004 Ford Focus SE 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 ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Ford Focus AUTOMOBILES
Ford Motor Co. Cars -> Electronic Throttle Control ->
Vehicle: 2004 Ford Focus ZTS 2.0 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 2004 Ford Focus AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2004 Ford Focus LX 2.0 L4 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp from thermostat housing.
- Remove radiator outlet hose from thermostat housing.
- Reposition hose clamp from radiator.
- Remove radiator outlet hose from radiator and from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 Ford Focus AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Ford Focus ZX3 2.0 L4 GAS
- Raise and support vehicle.
- Remove drive belt cover.
- Loosen bolts on coola...
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COMPONENT LOCATION DIAGRAMS FOR 2004 Ford Focus AUTOMOBILES
Component location diagrams for most 2004 Ford Focus cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 2004 Ford Focus AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Ford Focus cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Ford Focus AUTOMOBILES
OEM TSB listings for most 2004 Ford Focus cars and light trucks sold in the U.S. from 1985+.
Document: ENGINE VIBRATION AT IDLE - REVISED Vehicle: 2004 Ford Focus SE 2.0 L4 GAS Symptoms: |
Document: CLUTCH PEDAL RETURN SPRING NOISE AND/OR FREE PLAY - REVISED Vehicle: 2004 Ford Focus SE 2.0 L4 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Ford Focus AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 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 2004 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 2004 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 2004 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
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