Positioning:
The Subaru Impreza of this era established itself as a capable and reliable compact car, known for its standard All-Wheel Drive and rally-inspired heritage. This manual targets owners and independent mechanics seeking in-depth knowledge for maintenance and repair.
Competitors:
Competed against models like the Mitsubishi Lancer, Toyota Corolla, Honda Civic, and Nissan Sentra, differentiating itself with its AWD system and sporty driving dynamics, particularly in higher trims.
Vehicle Features:
Standard Symmetrical All-Wheel Drive (S-AWD), Boxer engine layout, robust chassis, comfortable ride, practical interior space (especially in wagon form).
Value Proposition:
Provides factory-accurate procedures, diagrams, and specifications, enabling DIY repairs and informed maintenance decisions, ultimately saving time and money compared to dealership services.
Engine:
Complete overhaul, diagnosis, fuel injection, ignition, cooling, lubrication, emissions control.
Transmission:
Manual (5-speed) and Automatic (4-speed) transmissions: disassembly, assembly, repair, diagnostics, fluid specifications.
Drivetrain:
All-Wheel Drive (AWD) system: center differential, front and rear differentials, driveshafts, CV joints, propeller shaft maintenance.
Suspension:
Front MacPherson strut, rear multi-link suspension: components, alignment, troubleshooting, component replacement.
Brakes:
Front and rear disc brakes (ABS optional): hydraulic system, caliper overhaul, rotor replacement, brake pad service, bleeding procedures.
Steering:
Power steering system: rack and pinion, hydraulic pump, fluid specifications, troubleshooting.
Electrical:
Complete wiring diagrams, lighting, starting and charging system, accessories, fuses, relays, ECM/ECU troubleshooting.
Body:
Body panels, doors, windows, mirrors, bumpers, interior trim, weather stripping, body repair specifications.
HVAC:
Heating, Ventilation, and Air Conditioning system: components, refrigerant, troubleshooting, component replacement.
Maintenance:
Regular scheduled maintenance, oil changes, filter replacements, fluid checks and changes.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, error code interpretation.
Repair:
Step-by-step repair instructions for all major vehicle systems.
Overhaul:
Complete engine and transmission rebuild procedures.
Diagnostics:
On-Board Diagnostics (OBD-II) system interpretation, sensor testing.
Specifications:
Torque specifications for all fasteners, clearances, measurements.
Depth:
Comprehensive: Covers everything from basic maintenance and fluid checks to full engine/transmission rebuilds and advanced electrical diagnostics.
Engine Code:
EJ20E / EJ20J
Configuration:
Horizontally Opposed (Boxer), 4-cylinder, 16-valve DOHC
Horsepower:
Approx. 125-135 hp (varies slightly by specific model/market)
Torque:
Approx. 135-140 lb-ft
Induction:
Multi-point Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline
Coolant Capacity:
Approx. 7.0 Liters (14.8 US Pints)
Oil Capacity:
Approx. 4.5 Liters (9.5 US Pints) with filter
Timing Belt:
Belt-driven; replacement interval critical (typically 60,000-90,000 miles).
Type:
5-speed Manual Transmission
Type:
4-speed Automatic Transmission
AWD Integration:
All-Wheel Drive system integrated with both manual and automatic transmissions.
Manual Transmission Fluid:
API GL-5, SAE 75W-90 (Subaru Genuine Gear Oil recommended)
Automatic Transmission Fluid:
Subaru ATF HP (or equivalent meeting Dexron III specs, though HP is preferred)
Manual Transmission Capacity:
Approx. 2.2 Liters (4.6 US Pints)
Automatic Transmission Capacity:
Approx. 3.5 Liters (7.4 US Pints) for a drain and fill
Length:
Sedan: ~4370mm (172.0 in) / Wagon: ~4350mm (171.3 in)
Height:
Sedan: ~1415mm (55.7 in) / Wagon: ~1435mm (56.5 in)
Wheelbase:
~2520mm (99.2 in)
Curb Weight:
Approx. 1250-1350 kg (2750-2980 lbs) depending on body style and transmission
Gross Vehicle Weight:
Not readily available, typically around 1700-1800 kg.
Cargo Volume Wagon:
Significant, with rear seats folded down; specific liters not commonly published for this generation's manual, but highly practical.
NHTSA Ratings:
Specific ratings for 1997-1998 models vary; early models generally received moderate to good ratings for the era. Full data may be sparse.
Driver Assistance:
ABS (Anti-lock Braking System) often optional on non-turbo models.
Airbags:
Driver and passenger front airbags standard.
Seat Belts:
3-point front and rear seat belts.
Cage Construction:
Subaru's Ring-Shaped Reinforcement Frame construction.
Oil Change:
Every 3,750 miles (6,000 km) or 6 months, whichever comes first (severe service intervals may be shorter).
Air Filter:
Inspect every 15,000 miles (24,000 km), replace as needed or at 30,000 miles (48,000 km).
Cabin Air Filter:
Not typically equipped on this generation, or an optional accessory. Check manual for specific vehicle.
Timing Belt:
Replace every 60,000-90,000 miles (100,000-150,000 km) or 7 years. Critical due to interference engine design.
Spark Plugs:
Replace at 60,000 miles (100,000 km) for iridium plugs, or 30,000 miles (50,000 km) for standard plugs.
Engine Oil:
SAE 5W-30 is typically recommended, but check owner's manual for ambient temperature suitability. API SG or higher.
Coolant:
Subaru Super Coolant (blue) or a high-quality ethylene glycol-based coolant with silicate inhibitors. Mixture: 50/50 with distilled water.
Brake Fluid:
DOT 3 or DOT 4 (check reservoir cap).
Power Steering Fluid:
Subaru Genuine Power Steering Fluid or Dexron II/III ATF.
Engine:
Head gasket leaks (less common on EJ20E/J than EJ25, but possible), timing belt failure if not replaced on schedule, potential for oil leaks from seals.
Suspension:
Wear in control arm bushings, sway bar links, and ball joints over time, leading to clunking noises and alignment issues.
Electrical:
Failing power window motors, intermittent issues with dashboard warning lights, aging wiring harness connections.
Drivetrain:
Rear differential seal leaks, worn CV boots (can lead to CV joint failure).
Repairs:
Timing belt replacement (crucial), clutch replacement (manual), brake system service, front strut replacement, radiator replacement (prone to cracking).
Heritage:
Subaru, a division of Subaru Corporation (formerly Fuji Heavy Industries), has a long history of manufacturing aircraft and vehicles, known for its horizontally opposed engines and Symmetrical All-Wheel Drive systems.
Generation:
This represents the first generation (GC/GF) of the Subaru Impreza, introduced globally in 1992. The 1997-1998 models represent a facelift (often referred to as the '97 refresh) with updated styling.
Facelift Details:
1997 facelift included revised front fascia (headlights, grille, bumper), updated interior trim, and minor mechanical improvements. The STI versions received more significant performance upgrades.
Manufacturing Location:
Primarily Japan (Gunma Plant).
Global Sales:
The Impreza has been a strong seller globally, with this generation contributing significantly to Subaru's growth, particularly in markets valuing AWD capability.
Car And Driver:
The Impreza (including performance variants) was a frequent Ten Best list recipient from Car and Driver magazine during the 1990s, highlighting its performance and value.
Reliability:
Generally considered reliable, especially the mechanically simpler non-turbo variants, with proper maintenance.
Emissions:
Meets prevailing emissions standards for its model years; manual provides detailed diagnostic procedures for emissions systems.