Subaru Impreza 1992-1995 WSM Service Manual Repair

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🏷️ Basic Information Identification Make: Subaru Model: Impreza Model Generations Covered: First Generation (GC/GF) Applicable Years: 1992, 1993, 1994, 1995 👋 Introduction Market Position Segment: Compact Car / Rally-inspired Sedan/Wagon...

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类型: Car

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标签: 1992 1993 1994 1995 Car Cars Impreza Misc Subaru

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Impreza

Model Generations Covered:

First Generation (GC/GF)

Applicable Years:

1992, 1993, 1994, 1995

👋 Introduction

Market Position

Segment:

Compact Car / Rally-inspired Sedan/Wagon

Competitive Analysis

Key Competitors:

Mitsubishi Lancer, Honda Civic, Toyota Corolla, Ford Escort

Differentiating Factors:

Standard All-Wheel Drive (AWD) on most models, Subaru's reputation for reliability and rally heritage

Key Features

Primary Appeal:

Performance, handling, all-weather capability, practicality

Target Audience:

Enthusiasts, drivers seeking all-weather confidence, practical commuters

📋 Manual Details

Coverage Areas

Primary Coverage:

All mechanical and electrical systems

Body And Chassis:

Body repair, interior, exterior trim, chassis, suspension, steering

Powertrain:

Engine, transmission (manual & automatic), drivetrain (AWD system)

Electrical:

Wiring diagrams, diagnostics, starting/charging, lighting, accessories

Diagnostics And Troubleshooting:

System-specific diagnostics and fault finding procedures

Page Count

Estimated Page Count:

1500+

Manual Type

Type:

Factory Service Manual (WSM) / Repair Manual

Language

Language:

English

Format

Format:

Digital Download (PDF likely)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Engine assembly, cylinder head, valve train, pistons, crankshaft, lubrication, cooling

Engine Performance:

Fuel injection system, ignition system, emission control systems, engine management

Transmission Manual:

Clutch, gearbox assembly, shift mechanism, maintenance and repair

Transmission Automatic:

Automatic transmission assembly, hydraulic control, maintenance and repair

Drivetrain AWD:

Center differential, rear differential, driveshafts, axle boots, AWD system operation

Suspension Front:

MacPherson struts, control arms, bushings, anti-roll bar

Suspension Rear:

Multi-link suspension (depending on model), trailing arms, shock absorbers

Steering:

Power steering system, steering rack, column, alignment procedures

Brakes:

Front and rear disc brakes, brake lines, master cylinder, ABS system (if equipped), parking brake

Body And Frame:

Body panel replacement, structural repairs, underbody protection

Interior:

Seat removal, dashboard, trim panels, HVAC system components

Electrical Power:

Battery, alternator, starter motor, fuses, relays

Electrical Lighting:

Headlights, taillights, interior lighting, bulb specifications

Electrical Accessories:

Wipers, horn, power windows, central locking, audio system wiring

Climate Control:

Air conditioning system, heater core, blower motor, controls

Procedures Included

Maintenance Tasks:

Oil changes, filter replacements, spark plug changes, fluid flushes, belt inspections/replacements

Component Removal Installation:

Detailed step-by-step instructions for removing and reinstalling virtually all major components

Diagnostic Troubleshooting:

Symptom-based troubleshooting guides, diagnostic trouble codes (DTCs) interpretation (OBD-I era)

Repair Procedures:

Specific repair instructions for common and uncommon failures

Special Tools:

Identification of and procedures for using specialized Subaru tools

Wiring Diagrams:

Comprehensive and clearly labeled electrical wiring diagrams for all circuits

Torque Specifications:

Precise torque values for all critical fasteners

Technical Depth

Depth:

Comprehensive, from basic maintenance to full engine and transmission rebuilds

Diagnostic Capability:

Advanced diagnostics for engine management, fuel, ignition, and ABS systems

Electrical Diagnostics:

In-depth troubleshooting of electrical faults using wiring diagrams and test procedures

Performance Tuning:

While not a tuning guide, it provides the baseline specifications for understanding engine performance parameters

📊 Manual Specifications

File Format

Format:

Likely PDF (Printable, Searchable)

Print Quality

Quality:

Professional grade, clear diagrams and text

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Code Common:

EJ22 (2.2L SOHC)

Engine Displacement Primary:

2.2 Liters (2211 cc)

Engine Configuration:

Horizontally Opposed (Boxer) 4-Cylinder

Engine Aspirated:

Naturally Aspirated

Performance

Horsepower Ej22:

110 hp @ 5000 rpm (approx.)

Torque Ej22:

130 lb-ft @ 3600 rpm (approx.)

Fuel System

Fuel Delivery:

Multi-point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (87 Octane recommended)

Engine Variants

Performance Variant:

EJ20 Turbo (2.0L DOHC Turbo - WRX/STI variants, less common in USDM base models for this period)

🔧 Transmission

Standard

Standard Transmission:

5-Speed Manual

Optional

Optional Transmission:

4-Speed Automatic

Features

Drivetrain System:

Symmetrical All-Wheel Drive (AWD) standard on most trims

AWD Type:

Viscous coupling center differential (manual) / Electronically controlled clutch pack (automatic)

📐 Dimensions

Exterior

Wheelbase:

2520 mm (99.2 in)

Length:

4345 mm (171.1 in) - Sedan / 4355 mm (171.5 in) - Wagon

Width:

1690 mm (66.5 in)

Height:

1420 mm (55.9 in) - Sedan / 1470 mm (57.9 in) - Wagon

Weights

Curb Weight Approx:

2700-2950 lbs (1225-1340 kg) depending on trim and transmission

Gross Vehicle Weight Rating Gvwr Approx:

3800-4000 lbs (1724-1814 kg)

🛡️ Safety Features

Ratings

NHTSA Frontal Impact:

Not rated or 4-star driver/passenger (early models, data varies)

IIHS Ratings:

Acceptable (varies by specific test)

Active Features

Available on higher trims and optional

Passive Features

Airbags:

Driver's airbag standard, passenger airbag optional/standard on later models

Seatbelts:

3-point front and rear seatbelts

💡 Technology Features

Infotainment

Audio System:

Basic AM/FM stereo with cassette player, optional CD player on higher trims

Display:

Analog gauges, basic climate controls, no integrated screen

Driver Assistance

Cruise Control:

Available on most models

🔧 Maintenance

Service Intervals

Oil Change Interval Recommendation:

Every 3,750 miles or 3 months (severe use) / 7,500 miles or 6 months (normal use)

Engine Coolant Flush Interval:

Every 30,000 miles or 2 years

Timing Belt Replacement Interval:

Every 60,000-100,000 miles (refer to specific manual section; critical for EJ engines)

Spark Plug Replacement Interval:

Every 30,000 miles (copper plugs) / 60,000-100,000 miles (platinum plugs, if applicable)

Fluid Specifications

Engine Oil Type And Viscosity:

API SG or SH, SAE 5W-30 or 10W-30 (refer to manual for exact climate/usage recommendations)

Engine Oil Capacity:

4.7 US quarts (4.4 liters) with filter change

Coolant Type:

Subaru Super Coolant or equivalent ethylene glycol based, green color

Transmission Fluid Manual:

API GL-4 SAE 75W-90 Gear Oil

Transmission Fluid Automatic:

Subaru ATF HP or Dexron III/Mercon

Differential Fluid Front Rear:

API GL-5 SAE 75W-90 Gear Oil

Brake Fluid Type:

DOT 3 or DOT 4

Known Issues

Head Gaskets:

While less prevalent than in later EJ engines, early EJ22 models can develop external oil leaks from head gaskets. Internal coolant leaks are rare but possible.

Timing Belt:

Crucial maintenance item. Failure leads to catastrophic engine damage (interference engine). Regular replacement is vital.

Axle Boots:

Front and rear CV axle boots are prone to tearing, leading to grease loss and potential CV joint damage. Regular inspection is recommended.

Suspension Bushings:

Rubber suspension bushings (control arms, sway bars) can degrade over time, leading to clunking noises and compromised handling.

Radiator And Hoses:

Older radiators can develop leaks, and coolant hoses can become brittle and crack. Regular inspection and replacement are advised.

📚 Vehicle History

Brand Heritage

Subaru Focus:

All-Wheel Drive technology, horizontally opposed engines, aviation heritage

Model Evolution

Impreza Launch Year:

First Gen Codename:

GC (Sedan), GF (Wagon)

Rally Legacy:

Foundation for Subaru's World Rally Championship (WRC) success, particularly with turbocharged variants

Production

Production Location:

Japan (Gunma Prefecture)

First Generation Production Years:

1992-2000

🏆 Awards & Recognition

Recognitions

Car And Driver તિહાસિક:

Car and Driver's Ten Best list inclusion for select performance variants (e.g., WRX models in later years, but concept established here)

Motor Trend તિહાસિક:

Often praised for its AWD system and handling characteristics by automotive press

Certifications

Emissions Compliance:

Designed to meet federal and state emissions standards of the era (e.g., EPA, CARB)