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2003 Subaru Outback CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Subaru 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!Select Section
- 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 2003 Subaru Outback AUTOMOBILES
Subaru -> Component Replacement & Adjustment -> In-Vehicle Temperature Sensor, Replace
Vehicle: 2003 Subaru Outback 2.5 H4 GAS
If DTC 22 or -22 (in-vehicle sensor failure), appears on the display screen, replace th...
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BRAKE SERVICE PROCEDURES FOR 2003 Subaru Outback AUTOMOBILES
Subaru -> Power Brake Units -> Diagnosis & Testing
Vehicle: 2003 Subaru Outback 3.0 H6 GAS
Perform this procedure with the parking brakes applied.
- Start engine, then stop after one or two minutes of running time.
- Depress brake pedal several times with normal force.
- If pedal travel decreases the more times the brake pedal is depressed, the b...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 Subaru Outback AUTOMOBILES
Subaru -> Fuel Filter Scheduled Maintenance -> 1994-04 Except 2004 Impreza WRX STi -> Normal Service -> Severe Service
Vehicle: 2003 Subaru Outback 3.0 H6 GAS
Normal Service
Replace ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2003 Subaru Outback AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2003 Subaru Outback 3.0 H6 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 center exhaust pipes bolts and nuts.
- Remove rear exhaust pipe and muffler.
- Remove heat shield 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...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 Subaru Outback AUTOMOBILES
Alternator, Replace
Vehicle: 2003 Subaru Outback 2.5 H4 GAS
- Disconnect ground cable from battery.
- Disconnect connector and terminal from alternator.
- Remove V-belt covers.
- Remove V-belts.
- Remove bolts which ...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 Subaru Outback AUTOMOBILES
Cabin Air Filter Service -> Subaru -> 1998-2004 Legacy, Outback & 2003-04 Baja
Vehicle: 2003 Subaru Outback 2.5 H4 GAS
The cabin air filter should be replaced every 12 months or 9,300 ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2003 Subaru Outback AUTOMOBILES
Subaru -> All Wheel Drive (AWD) System Warning Lamp ->
Vehicle: 2003 Subaru Outback 3.0 H6 GAS
The AWD warning lamp, will illuminate for a few seconds when the ignition switch is placed in the on position as a bulb check. The lamp should go off when the engine is started. The lamp will illuminate when AWD is disen...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 Subaru Outback AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2003 Subaru Outback 2.5 H4 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at cylinder head.
- Remove hose from cylinder head.
- Remove hose from vehicle.
- Reverse procedur...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 Subaru Outback AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 Subaru Outback 3.0 H6 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 2003 Subaru Outback AUTOMOBILES
Component location diagrams for most 2003 Subaru Outback cars and light trucks sold in the U.S. from 1990+.
Solenoid Valve, Emission Control System Parts And Ignition System Parts Diagram for 2003 Subaru Outback 2.5 H4 GAS Components on diagram: |
ABS Electrical Components Diagram for 2003 Subaru Outback 2.5 H4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 Subaru Outback AUTOMOBILES
OEM drawn wiring diagrams for most 2003 Subaru Outback cars and light trucks sold in the U.S.
2003 Subaru Outback 2.5 H4 GAS Wiring Diagram Components on diagram: |
2003 Subaru Outback 2.5 H4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 Subaru Outback AUTOMOBILES
OEM TSB listings for most 2003 Subaru Outback cars and light trucks sold in the U.S. from 1985+.
Document: Service Manual Corrections Vehicle: 2003 Subaru Outback 2.5 H4 GAS Auto Systems: |
Document: EVAPORATIVE EMISSION SYSTEM DIAGNOSTIC
INFORMATION Vehicle: 2003 Subaru Outback 2.5 H4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 Subaru Outback AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 Subaru Outback 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 Outback 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 Outback 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 Outback 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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