🏷️ Basic Information

Make:

Subaru

Model:

Impreza

Years Covered:

1992, 1993, 1994, 1995

Chassis Codes Implied:

GC (2-door coupe), GF (5-door wagon), GM (4-door sedan)

👋 Introduction

Vehicle Segment:

Compact car (initially), known for rally heritage and AWD capability.

Key Competitors:

Mitsubishi Lancer, Honda Civic, Toyota Corolla, Nissan Sentra.

All Wheel Drive:

Subaru's signature Symmetrical All-Wheel Drive system, a key differentiator.

Performance Variants:

Introduction of WRX and STI models later in its lineage, but early models focused on practicality and AWD.

Benefit To Owner:

Empowers owners and independent repair shops with the official knowledge to maintain and repair their vehicle efficiently and correctly.

Benefit To Business:

Essential tool for automotive repair businesses specializing in Subaru vehicles.

📋 Manual Details

Coverage Scope:

Comprehensive mechanical and electrical repairs, diagnostics, and maintenance.

Page Count:

Over 3000 pages

Manual Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, rebuild procedures, cylinder head, piston, crankshaft, camshaft, valve train, timing belt replacement, cooling system, lubrication system.

Fuel System:

Fuel injection system, fuel pump, injectors, fuel pressure regulator, fuel tank, EVAP system.

Engine Performance:

Engine management system, ignition system, emissions control, diagnostics, troubleshooting, sensor data interpretation.

Transmission Manual:

Manual transmission overhaul, clutch replacement, gear shift linkage, differential.

Transmission Automatic:

Automatic transmission overhaul, torque converter, valve body, transmission control module (TCM) diagnostics.

Drivetrain:

All-Wheel Drive (AWD) system, front and rear differentials, driveshafts, CV joints.

Suspension:

Front and rear suspension components, struts, shocks, control arms, bushings, wheel alignment specifications.

Steering:

Power steering system, steering rack, tie rods, steering column.

Brakes:

Brake system overhaul, disc brakes, drum brakes, ABS (Anti-lock Braking System) diagnostics, parking brake.

Electrical System:

Wiring diagrams, battery, alternator, starter, lighting, horn, wipers, power windows, central locking.

Climate Control:

HVAC system diagnosis and repair, A/C system components, heater core, blower motor.

Body And Interior:

Body panel removal and installation, door mechanisms, seat adjustments, dashboard removal, trim components.

Safety Systems:

Airbag system diagnostics and replacement procedures, seat belt mechanisms.

Routine Maintenance:

Oil and filter changes, fluid level checks, spark plug replacement, air filter replacement, battery maintenance.

Diagnostic Troubleshooting:

Step-by-step troubleshooting guides for common and uncommon faults, using diagnostic trouble codes (DTCs).

Component Replacement:

Detailed instructions for replacing major components like engine, transmission, starter, alternator, water pump, fuel pump, etc.

Rebuild Procedures:

Complete engine and transmission rebuild instructions with torque specifications and clearances.

Adjustment Procedures:

Wheel alignment adjustments, parking brake adjustments, clutch adjustments.

Wiring Diagram Interpretation:

Detailed, organized wiring diagrams for all electrical systems.

Depth Of Coverage:

From basic scheduled maintenance to complete engine and transmission overhauls, including in-depth electrical diagnostics and troubleshooting.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable within the PDF for quick access to information.

Image Quality:

High-resolution images, diagrams, and illustrations.

Binding For Digital:

N/A (Digital download)

Paper For Printed:

N/A (Digital download)

⚙️ Engine Specifications

Engine Code Common:

EJ18, EJ22

Engine Type:

Horizontally-opposed (Boxer) 4-cylinder

Displacement Ej18:

1.8 liters (1781 cc)

Displacement Ej22:

2.2 liters (2212 cc)

Horsepower Ej18:

Approx. 110-115 hp @ 5600 rpm (depending on market and specific tune)

Torque Ej18:

Approx. 110-115 lb-ft @ 4000 rpm (depending on market and specific tune)

Horsepower Ej22:

Approx. 130-135 hp @ 5600 rpm (depending on market and specific tune)

Torque Ej22:

Approx. 135-140 lb-ft @ 4400 rpm (depending on market and specific tune)

Fuel Delivery:

Multi-point fuel injection (MPI)

Recommended Fuel:

Unleaded gasoline, 87 octane (minimum)

Valvetrain:

SOHC (Single Overhead Camshaft) or DOHC (Double Overhead Camshaft) depending on specific engine variant.

Timing Belt:

Timing belt driven, requiring periodic replacement.

🔧 Transmission

Standard Transmission:

5-speed manual transmission

Optional Transmission:

4-speed automatic transmission

AWD Integration:

Both manual and automatic transmissions are integrated with Subaru's Symmetrical All-Wheel Drive system.

Manual Transmission Fluid:

GL-4 or GL-5 gear oil (refer to manual for specific viscosity, e.g., 75W-90)

Automatic Transmission Fluid:

Dexron-III or equivalent ATF (Automatic Transmission Fluid)

📐 Dimensions

Wheelbase:

Approx. 2520 mm (99.2 inches)

Length:

Approx. 4345 mm (171.1 inches) for sedan, 4305 mm (169.5 inches) for wagon

Width:

Approx. 1690 mm (66.5 inches)

Height:

Approx. 1405 mm (55.3 inches) for sedan, 1445 mm (56.9 inches) for wagon

Curb Weight:

Approx. 1150-1300 kg (2535-2866 lbs) depending on body style and drivetrain.

Wheel Bolt Pattern:

5x100 mm

Wheel Offset:

ET +48 to +55 mm (typical, check specific model)

🛡️ Safety Features

Crash Test Data:

Early generation vehicles of this era may have limited official crash test data readily available compared to modern standards. Refer to manual for specific safety system designs.

ABS:

Optional Anti-lock Braking System (ABS) available on some models.

Airbags:

Driver and passenger airbags were introduced and became more common during this period.

Seatbelts:

Three-point front and rear seatbelts, pre-tensioners on front belts.

💡 Technology Features

Audio System:

Basic AM/FM stereo with cassette player, optional CD player on higher trims. Speaker configurations vary.

Cruise Control:

Available on many models.

Auxiliary Input:

Not standard; early vehicles lack modern connectivity like Bluetooth or USB.

🔧 Maintenance

Oil Change Interval:

Every 3,000-5,000 miles or 3-6 months, depending on driving conditions (refer to manual for specific recommendations).

Timing Belt Replacement:

Typically every 60,000-100,000 miles or 5-7 years for EJ series engines (crucial preventative maintenance).

Engine Oil Capacity:

Approx. 4.5 liters (4.8 US quarts) with filter for 1.8L and 2.2L engines (verify in manual).

Engine Oil Viscosity:

10W-30 or 10W-40 API SG or higher (refer to manual for seasonal variations and specific approvals).

Coolant Type:

Subaru Super Coolant or equivalent ethylene glycol-based coolant with corrosion inhibitors.

Brake Fluid Type:

DOT 3 or DOT 4 brake fluid.

Head Gaskets:

While the EJ22 is generally robust, early EJ series engines can be susceptible to head gasket leaks over time, particularly if overheated or poorly maintained. This manual will detail diagnostic and repair procedures.

Oil Leaks:

Potential for oil leaks from valve cover gaskets or rear main seals due to age and mileage.

Cv Joint Wear:

Front CV joints can wear over time, especially in AWD vehicles with spirited driving.

Idle Control Valve:

Idle Air Control (IAC) valve can become dirty and cause rough idling or stalling.

📚 Vehicle History

Subaru Legacy:

The Impreza built upon Subaru's reputation for durable, practical vehicles with a focus on AWD and boxer engines, inherited from models like the Leone and Legacy.

First Generation Launch:

The first generation Impreza (GC/GF/GM chassis) debuted in late 1992 for the 1993 model year.

Performance Variants Introduction:

The rally-bred WRX (World Rally eXperimental) version was introduced in 1992, significantly boosting the Impreza's performance image globally, though not initially available in all markets.

Manufacturing Location:

Primarily manufactured in Japan.

🏆 Awards & Recognition

Rally Success:

Subaru Impreza achieved significant success in the World Rally Championship (WRC) during the 1990s, cementing its performance reputation.

Car And Driver Contenders:

While not always winning major awards, the Impreza was a respected contender in its class for its AWD system and driving dynamics.