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2004 Subaru Impreza 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
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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 2004 Subaru Impreza 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 Impreza automobile. Try the Automotix DIY solution today!
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 TS 2.5 H4 GAS
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BRAKE SERVICE PROCEDURES FOR 2004 Subaru Impreza AUTOMOBILES
Subaru -> Power Brake Units -> Diagnosis & Testing
Vehicle: 2004 Subaru Impreza RS 2.5 H4 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 2004 Subaru Impreza AUTOMOBILES
Subaru -> Fuel Filter Scheduled Maintenance -> 1994-04 Except 2004 Impreza WRX STi -> Normal Service -> Severe Service
Vehicle: 2004 Subaru Impreza Outback 2.5 H4 GAS
Normal Service
Replace ...
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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 RS 2.5 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 wheel hub locknut using suitable tool. Loosen and retighten axle nut after removing wheel from vehicle. Failure to follow this instruction may damage wheel bearings.
- Disconnect transverse link from housing.
- Remove spring pin which secures transmission spindle and install a new spring pin upon installation.
- Remove front driveshaft assembly. If driveshaft is hard to remove use suitable...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 Subaru Impreza AUTOMOBILES
Starter, Replace
Vehicle: 2004 Subaru Impreza TS 2.5 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 -> EGR Maintenance Reminder Lamp ->
Vehicle: 2004 Subaru Impreza RS 2.5 H4 GAS
The EGR maintenance reminder indicator lamp will be illuminated to indicate time for EGR maintenance. After performing maintenance, reset reminder lamp. Remove instrument pan...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 Subaru Impreza AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 2004 Subaru Impreza WRX 2.0 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 WRX STI 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+.
 Engine Wiring Harness And Transmission Cord Diagram for 2004 Subaru Impreza TS 2.5 H4 GASComponents on diagram: |
 Engine Components Diagram for 2004 Subaru Impreza RS 2.5 H4 GASComponents 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 WRX 2.0 H4 GAS Wiring DiagramComponents on diagram: |
 2004 Subaru Impreza Outback 2.5 H4 GAS Wiring DiagramComponents 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+.
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Document: EVAPORATIVE EMISSION SYSTEM DIAGNOSTIC
INFORMATION Vehicle: 2004 Subaru Impreza Outback 2.5 H4 GAS Auto Systems: |
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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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