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2004 Subaru Impreza CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Subaru 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 Subaru Impreza AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 2004 Subaru Impreza WRX 2.0 H4 GAS
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BRAKE SERVICE PROCEDURES FOR 2004 Subaru Impreza AUTOMOBILES
Subaru -> Hydraulic Brake Systems -> Troubleshooting
Vehicle: 2004 Subaru Impreza WRX STI 2.5 H4 GAS
Refer to Fig. when trou...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 Subaru Impreza AUTOMOBILES
Subaru -> Component Locations -> 1990-03 Legacy, 1993-04 Impreza (Except WRX STi), 1998-04 Forester & 2000-03 Outback w/1.8L, 2.2L, 2.5L & 3.0L Engines
Vehicle: 2004 Subaru Impreza TS 2.5 H4 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 Subaru Impreza AUTOMOBILES
CV AXLE SHAFT, Replace -> Front -> Rear
Vehicle: 2004 Subaru Impreza WRX 2.0 H4 GAS
Front
- Disconnect battery ground cable.
- Raise and support vehicle and support it with safety stands in proper locations.
- Remove wheel nuts and front wheels.
- Unstake hub nut using suitable tool.
- Remove driveshaft locknut from front hub while depressing brake pedal. Remove wheel before loosening axle nut.
- Remove stabilizer link from front arm.
- Remove brake caliper bolts and support caliper to strut housing using mechanics wire.
- Remove disc brake rotor. If brake rotor is difficult to remove, drive 8mm bolt into threaded end of rotor, then remove the rotor. Reference mark surface of h...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Subaru Impreza AUTOMOBILES
Starter, Replace
Vehicle: 2004 Subaru Impreza WRX 2.0 H4 GAS
- Disconnect battery ground cable.
- Disconnect solenoid wiring at starter.
- Remo...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 Subaru Impreza AUTOMOBILES
Cabin Air Filter Service -> Subaru -> 2004-07 Impreza
Vehicle: 2004 Subaru Impreza Outback 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 cabin...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2004 Subaru Impreza AUTOMOBILES
Subaru -> Air Bag Warning Lamp ->
Vehicle: 2004 Subaru Impreza WRX 2.0 H4 GAS
The air bag warning lamp, located inside the combination meter, will illuminate in the event of a poor connection or other air bag system fault. When the air bag system is functioning properly, the lamp should go out approximately 8 seconds after the ignition switch ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Subaru Impreza AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2004 Subaru Impreza 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 2004 Subaru Impreza AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 Subaru Impreza TS 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 2004 Subaru Impreza AUTOMOBILES
Component location diagrams for most 2004 Subaru Impreza cars and light trucks sold in the U.S. from 1990+.
Spark Plugs And Ignition Coils Diagram for 2004 Subaru Impreza RS 2.5 H4 GAS Components on diagram: |
Engine Components Diagram for 2004 Subaru Impreza Outback 2.5 H4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2004 Subaru Impreza AUTOMOBILES
OEM drawn wiring diagrams for most 2004 Subaru Impreza cars and light trucks sold in the U.S.
2004 Subaru Impreza TS 2.5 H4 GAS Wiring Diagram Components on diagram: |
2004 Subaru Impreza RS 2.5 H4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 Subaru Impreza AUTOMOBILES
OEM TSB listings for most 2004 Subaru Impreza cars and light trucks sold in the U.S. from 1985+.
Document: EVAPORATIVE EMISSION SYSTEM DIAGNOSTIC
INFORMATION Vehicle: 2004 Subaru Impreza Outback 2.5 H4 GAS Auto Systems: |
Document: Turbocharger Mesh Filter Screen Vehicle: 2004 Subaru Impreza WRX 2.0 H4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 Subaru Impreza AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 Subaru Impreza 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 Subaru Impreza 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 Subaru Impreza 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 Subaru Impreza 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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