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2003 Subaru Forester CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Subaru REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
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- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Subaru Forester car and truck
repair procedures including Subaru 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 Subaru Forester automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 Subaru Forester AUTOMOBILES
Subaru -> Electric Cooling Fans -> System Diagnosis & Testing -> Baja, Legacy & Outback -> Compulsory Operation Of Radiator Fan -> Forester -> Impreza
Vehicle: 2003 Subaru Forester X 2.5 H4 GAS
Forester
Refer to Fig. , for electric cooling fan diagnosis.
Compulsory Operation Of Radiator Fan
To inspect the radiator fan compulsory operation, connect a Subaru select monitor or suitably programed scan tool to the vehicle's Data Link Connector (DLC). The DLC is located under the l...
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BRAKE SERVICE PROCEDURES FOR 2003 Subaru Forester AUTOMOBILES
Subaru -> Drum Brakes -> Brake Service -> Forester, Impreza & Legacy
Vehicle: 2003 Subaru Forester X 2.5 H4 GAS
Forester, Impreza & Legacy
- Raise and support vehicle, then remove rear wheels.
- Remove brake drum. If difficult to remove brake drum, remove adjusting hole cover from back plate, then turn adjusting screw until shoe...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Subaru Forester AUTOMOBILES
Subaru -> Fuel Filter Scheduled Maintenance -> 1994-04 Except 2004 Impreza WRX STi -> Normal Service -> Severe Service
Vehicle: 2003 Subaru Forester XS 2.5 H4 GAS
Normal Service
Replace ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Subaru Forester AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2003 Subaru Forester X 2.5 H4 GAS
Wrap metal parts with a cloth or rubber material. Rubber boot may be damaged due to interference with adjacent metal parts during removal.
- Disconnect battery ground cable.
- Place vehicle in neutral.
- Release parking brake.
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove differential mount front exhaust cover bolts, then cover.
- Place reference mark on front driveline and rear differential flange. Paint is recommended for match marks. Never damage rear driveline shaft flange yoke or companion flange
- Remove bolts and then remove driveline from rea...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Subaru Forester AUTOMOBILES
Starter, Replace
Vehicle: 2003 Subaru Forester XS 2.5 H4 GAS
- Disconnect ground cable from battery.
- Disconnect solenoid wiring at starter.
- Re...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Subaru Forester AUTOMOBILES
Cabin Air Filter Service -> Subaru -> 2003-07 Forester
Vehicle: 2003 Subaru Forester X 2.5 H4 GAS
The cabin air filter should be replaced every 12 months or 7,500 miles.
- Remove nine the glove compartment retaining screws, the glove compartment, Fig. .
- Remove the cabin air filter cover, Fig. .
- Remove the cab...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Subaru Forester AUTOMOBILES
Subaru -> Malfunction Indicator Lamp (MIL) ->
Vehicle: 2003 Subaru Forester XS 2.5 H4 GAS
The MIL will be illuminated when the ignition switch is placed in the On position, and should go out when the engine is started. If the MIL remains lit after engine start-up, the self-diagnostic system has detected a fault an...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Subaru Forester AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2003 Subaru Forester XS 2.5 H4 GAS
Lower
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at radiator outlet.
- Remove hose from radiator.
- Reposition hose clamp at thermostat housing.
- Remove hose from thermostat housing.
- Remove hose from vehicle.
- Reverse proc...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Subaru Forester AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Subaru Forester X 2.5 H4 GAS
- Remove drive belt cover. Wipe off any oil or water on belt and pulley.
- Loosen lockbolt on slider bolt.
- Loosen slider bolt.
- ...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Subaru Forester AUTOMOBILES
Component location diagrams for most 2003 Subaru Forester cars and light trucks sold in the U.S. from 1990+.
 Electrical Components Location Diagram for 2003 Subaru Forester X 2.5 H4 GASComponents on diagram: |
 Underhood Component Locations Diagram for 2003 Subaru Forester X 2.5 H4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2003 Subaru Forester AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Subaru Forester cars and light trucks sold in the U.S.
 2003 Subaru Forester X 2.5 H4 GAS Wiring DiagramComponents on diagram: |
 2003 Subaru Forester XS 2.5 H4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Subaru Forester AUTOMOBILES
OEM TSB listings for most 2003 Subaru Forester cars and light trucks sold in the U.S. from 1985+.
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Document: EVAPORATIVE EMISSION SYSTEM DIAGNOSTIC
INFORMATION Vehicle: 2003 Subaru Forester X 2.5 H4 GAS Auto Systems: |
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Document: Service Manual Corrections Vehicle: 2003 Subaru Forester X 2.5 H4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Subaru Forester AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Subaru Forester 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 Subaru Forester 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 Subaru Forester 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 Subaru Forester 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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