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1994 Subaru Impreza CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Subaru REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator 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 1994 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 1994 Subaru Impreza AUTOMOBILES
Subaru -> Component Replacement & Adjustment -> EXPANSION VALVE, REPLACE
Vehicle: 1994 Subaru Impreza 1.8 H4 GAS
Refer to "Evapora... "
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BRAKE SERVICE PROCEDURES FOR 1994 Subaru Impreza AUTOMOBILES
Anti-lock Brakes -> Impreza & 1995 Legacy Less TCS -> Diagnosis & Testing -> ABS Control Module -> ABS Hydraulic Unit -> Accessing Trouble Codes -> Clearing Memory (Erasing Trouble Codes) -> Component Testing -> Diagnostic Procedure -> G Sensor -> Speed Sensors -> Trouble Code 29 -> Trouble Code 41 -> Trouble Code 42 -> Trouble Code 51 -> Trouble Code 52 -> Trouble Code 54 -> Trouble Code 56 -> Trouble Code Diagnosis -> Trouble Code Interpretation -> Trouble Codes 21, 23, 25 & 27 -> Trouble Codes 22, 24, 26 & 28 -> Trouble Codes 31, 33 & 39 -> Warning Light Does Not Illuminate -> Warning Light Remains ON
Vehicle: 1994 Subaru Impreza L 1.8 H4 GAS
Accessing Trouble Codes
When the control module detects a problem, the information (up to a maximum of three) will be stored in the EEPROM as a trouble code. When there are more than three, the most recent three will be stored. Stored codes will stay in memory until they are cleared.
- Remove ABS check connector from under steering column, Figs. and .
- Turn ignition switch off, then ground ABS check connector terminal L, Figs. and .
- Turn ignition switch to on position. The ABS warning light is now in the diagnostic mode and blinks to identify trouble codes.
- After st...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1994 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: 1994 Subaru Impreza L 1.8 H4 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1994 Subaru Impreza AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Installation -> Removal
Vehicle: 1994 Subaru Impreza LS 1.8 H4 GAS
Removal
- Put matching marks on affected parts.
- Remove bolts which hold front propeller shaft to rear propeller shaft.
- Place companion flange in a vise and remove stake nut. Be sure not to hold propeller shaft pipe portion in vise.
- Drive out companion flange with a puller or press. Before disassembling, put matching mark on affected parts.
- Lightly tap head of front propeller shaft with a copper hammer u...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1994 Subaru Impreza AUTOMOBILES
Alternator, Replace
Vehicle: 1994 Subaru Impreza L 1.8 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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MAINTENANCE LAMP RESET PROCEDURES FOR 1994 Subaru Impreza AUTOMOBILES
Subaru -> Air Bag Warning Lamp ->
Vehicle: 1994 Subaru Impreza L 1.8 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 1994 Subaru Impreza AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1994 Subaru Impreza LS 1.8 H4 GAS
Lower
- Disconnect ground cable from battery.
- Drain engine coolant completely into a suitable container.
- Disconnect radiator outlet hose from thermostat cover.
- Disconnect radiator outlet hose from radiator.
- Remove outlet house from vehicle.
- Reverse proce...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1994 Subaru Impreza AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1994 Subaru Impreza L 1.8 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 1994 Subaru Impreza AUTOMOBILES
Component location diagrams for most 1994 Subaru Impreza cars and light trucks sold in the U.S. from 1990+.
 Engine & Transmission Wiring Diagram for 1994 Subaru Impreza L 1.8 H4 GASComponents on diagram: |
 Instrument Wiring Diagram for 1994 Subaru Impreza L 1.8 H4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1994 Subaru Impreza AUTOMOBILES
OEM drawn wiring diagrams for most 1994 Subaru Impreza cars and light trucks sold in the U.S.
 1994 Subaru Impreza 1.8 H4 GAS Wiring DiagramComponents on diagram: |
 1994 Subaru Impreza LS 1.8 H4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1994 Subaru Impreza AUTOMOBILES
OEM TSB listings for most 1994 Subaru Impreza cars and light trucks sold in the U.S. from 1985+.
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Document: REMANUFACTURED TRANSAXLES PROGRAM - REVISED Vehicle: 1994 Subaru Impreza 1.8 H4 GAS Auto Systems: |
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Document: RECOMMENDED MATERIALS Vehicle: 1994 Subaru Impreza 1.8 H4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1994 Subaru Impreza AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1994 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 1994 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 1994 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 1994 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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