Subaru Impreza 1994 Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 1994 Codes Chassis Code General: GC/GF Platform: Subaru "GF" platform 👋 Introduction Market Position Initial Market: Compact economy car with rally-inspired...

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Vendor:

Sku: 368874

Tags: 1994 Car Cars Impreza Misc Subaru

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Impreza

Year:

Codes

Chassis Code General:

GC/GF

Platform:

Subaru "GF" platform

👋 Introduction

Market Position

Initial Market:

Compact economy car with rally-inspired performance credentials

Target Audience:

Individuals seeking reliable, all-wheel-drive transportation with sporty potential

Competitive Analysis

Key Competitors:

Honda Civic, Toyota Corolla, Mitsubishi Lancer

Unique Selling Proposition:

Standard Symmetrical All-Wheel Drive (AWD) system

Key Features

Drivetrain:

Symmetrical All-Wheel Drive (AWD)

Body Styles:

Sedan (GC), Coupe (GM - less common in '94 US), Wagon (GF)

Performance Orientation:

Early adoption of turbocharged variants for performance models (e.g., WRX, though less common in base US '94 Impreza)

📋 Manual Details

Coverage Areas

Primary Coverage:

North American Market

Secondary Coverage:

Global variants (mechanical similarity)

Page Count

Estimated Pages:

1000+

Manual Type

Type:

Factory Service Repair Manual

Language

Language:

English

Format

Format:

Printed Book (likely digitized)

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Yes (including EJ18, EJ22 variants)

Engine Management:

Yes (ECU, sensors, actuators)

Fuel System:

Yes (injectors, fuel pump, pressure regulator)

Cooling System:

Yes (radiator, thermostat, water pump)

Exhaust System:

Yes (catalytic converter, mufflers, emissions)

Transmission Manual:

Yes (clutch, gears, linkages)

Transmission Automatic:

Yes (torque converter, valve body, solenoids)

Drivetrain AWD:

Yes (center differential, driveshaft, rear differential)

Suspension Front:

Yes (struts, control arms, bushings)

Suspension Rear:

Yes (struts, trailing arms, bushings)

Steering System:

Yes (power steering pump, rack and pinion)

Brake System:

Yes (discs, pads, calipers, ABS diagnostics)

Electrical System Lighting:

Yes (headlights, taillights, interior)

Electrical System Accessories:

Yes (wipers, horn, power windows, locks)

Body Exterior:

Yes (panels, doors, glass, trim)

Body Interior:

Yes (seats, dashboard, trim)

HVAC System:

Yes (heating, ventilation, air conditioning)

Procedures Included

Routine Maintenance:

Yes (oil changes, filter replacements, inspections)

Major Repairs:

Yes (engine overhauls, transmission rebuilds)

Troubleshooting Diagnostics:

Yes (fault codes, symptom-based diagnosis)

Component Replacement:

Yes (detailed step-by-step guides)

Specifications Data:

Yes (torque values, clearances, fluid types)

Wiring Diagrams:

Yes (comprehensive electrical schematics)

Special Tools:

Yes (identification of required Subaru-specific tools)

Technical Depth

Depth:

Comprehensive Factory Level

Diagnostics Complexity:

Advanced (including electronic diagnostics)

Rebuild Procedures:

Complete (engine, transmission, differentials)

📊 Manual Specifications

File Format

Format Type:

Physical Book

Digitized Quality:

High-Resolution Scans (if digital)

Print Quality

Paper Weight:

Durable, shop-grade paper

Illustration Clarity:

High (diagrams, photos, line drawings)

Binding Type

Binding:

Stitched and Glued (typical for factory manuals)

Durability:

Designed for workshop use

Paper Type

Paper Quality:

Matte finish to reduce glare

⚙️ Engine Specifications

Primary Engine

Engine Code Common:

Engine Type:

Naturally Aspirated Flat-Four (Boxer)

Displacement Cc:

Bore X Stroke Mm:

92.0 x 80.0

Compression Ratio:

9.5:1

Valvetrain:

SOHC, 2 valves per cylinder (EJ22), DOHC, 4 valves per cylinder (EJ20 variants)

Horsepower Hp:

110-135 hp (depending on specific US market variant)

Torque Lb-Ft:

120-130 lb-ft (depending on specific US market variant)

Performance

Redline Rpm:

6000 RPM

Fuel System

Fuel Delivery:

Multi-Point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline

Octane Rating:

87 (minimum)

🔧 Transmission

Standard

Type:

5-Speed Manual

Optional

Type:

4-Speed Automatic

Features

AWD System:

Symmetrical AWD with viscous coupling center differential

Manual Fluid Type:

API GL-5, SAE 75W-90 (manual transmission)

Automatic Fluid Type:

Subaru ATF HP (or equivalent Dexron II/III)

📐 Dimensions

Exterior

Length In:

169.1 (Sedan)

Width In:

Height In:

55.1 (Sedan)

Wheelbase In:

Track Front In:

Track Rear In:

Ground Clearance In:

Weights

Curb Weight Lbs Est:

2700-2900

Gross Vehicle Weight Rating Gvwr Lbs:

3800-4000

Towing Capacity Lbs:

1000 (often limited by chassis and cooling)

🛡️ Safety Features

Ratings

NHTSA Front Impact:

Not rated or 3-star (early model, limited testing protocols)

IIHS Side Impact:

Not rated

Active Features

Optional on many trims, standard on some higher trims

Standard, provides enhanced traction and stability

Passive Features

Airbags:

Driver-side airbag standard, passenger airbag optional

Seatbelts:

3-point front and rear seatbelts

Crumple Zones:

Front and rear designed for energy absorption

💡 Technology Features

Infotainment

Head Unit:

Basic AM/FM/Cassette stereo, optional CD player

Speakers:

4 or 6 speaker configurations

Driver Assistance

Cruise Control:

Available on most trims

Anti Lock Brakes:

Optional on many trims

Connectivity

Bluetooth:

N/A (pre-dates widespread adoption)

🔧 Maintenance

Service Intervals

Oil Change Miles:

3,750 - 7,500 (depending on oil type and driving conditions)

Oil Filter Replacement:

At every oil change

Engine Air Filter Replacement Miles:

15,000 - 30,000

Transmission Fluid Change Miles:

30,000 - 60,000 (depending on usage)

Spark Plug Replacement Miles:

30,000 - 60,000 (depending on plug type)

Coolant Flush Miles:

30,000 - 60,000

Fluid Specifications

Engine Oil Type:

API SG or SH, SAE 5W-30 (preferred), 10W-30

Engine Oil Capacity Qt:

4.4 (with filter)

Coolant Type:

Ethylene Glycol based coolant (50/50 mix with distilled water)

Power Steering Fluid Type:

Subaru Power Steering Fluid or Dexron II/III ATF

Known Issues

Head Gaskets:

Less common on EJ22 than EJ25, but still a potential failure point over time

Radiator:

Plastic tanks can degrade and leak

Clutch Wear:

Normal wear item, especially in performance-oriented driving

Suspension Bushings:

Can degrade and cause noise or imprecise handling

Oil Leaks:

Valve cover gaskets and oil pan gaskets can seep over time

📚 Vehicle History

Brand Heritage

Subaru Identity:

Known for pioneering Symmetrical All-Wheel Drive and horizontally-opposed (Boxer) engines

Model Evolution

First Generation Debut:

Introduced in 1992 (Japan), 1994 (North America)

Generations Covered By Manual:

First Generation (GC/GF/GM)

Rally Heritage:

Foundation for the legendary Subaru Impreza WRX and WRC cars

Production

Manufacturing Location:

Japan

Production Span First Gen:

1992-2000

🏆 Awards & Recognition

Recognitions

Car And Driver 10Best:

N/A for the 1994 model year specifically, though later generations earned this

Ratings

Consumer Reports:

Mixed ratings for reliability in early years, improving over the generation

Certifications

Epa Fuel Economy Mpg City Est:

22-25 (FWD variants, Manual)

Epa Fuel Economy Mpg Highway Est:

28-32 (FWD variants, Manual)