Heating, Ventilation, and Air Conditioning system components and service
Body And Interior:
Body panels, doors, glass, seats, trim, dashboard
Procedures Included
Maintenance:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement, brake pad replacement, tire rotation
Troubleshooting:
Diagnostic charts, symptom-based troubleshooting for engine, transmission, electrical, and other systems
OBD-I (On-Board Diagnostics) procedures, error code retrieval and interpretation
Specifications:
Torque specifications for all fasteners, engine timing procedures, diagnostic parameters
Technical Depth
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including detailed electrical system diagnostics and bodywork
đ Manual Specifications
File Format
Searchability:
Searchable PDF text
Resolution:
High-resolution scans for clear text and diagrams
Compatibility:
Compatible with all standard PDF readers on Windows, macOS, Linux, iOS, and Android devices
Print Quality
Printable:
Printable pages for on-demand hard copies
Binding Type
Binding Type For Print:
N/A (Digital Product)
Paper Type
Paper Type For Print:
N/A (Digital Product)
âïž Engine Specifications
Primary Engine
Engine Code Popular Na:
EJ16, EJ18, EJ22
Engine Code Popular Turbo:
EJ20G (WRX/STI variants)
Displacement Na
Ej16 Displacement:
1.6 Liters (1597 cc)
Ej18 Displacement:
1.8 Liters (1781 cc)
Ej22 Displacement:
2.2 Liters (2212 cc)
Displacement Turbo
Ej20G Displacement:
2.0 Liters (1994 cc) Turbocharged
Performance
Ej22 Horsepower:
Approx. 135 hp @ 5600 rpm
Ej22 Torque:
Approx. 140 lb-ft @ 4400 rpm
Ej20G Horsepower:
Approx. 205-237 hp (depending on specific WRX/STI variant and market)
Ej20G Torque:
Approx. 190-244 lb-ft (depending on specific WRX/STI variant and market)
Fuel System
Injection Type:
Multi-Port Fuel Injection (MPI)
Fuel Type:
Unleaded gasoline (87 octane for NA, 91+ octane recommended for Turbo)
Engine Features
Cylinder Configuration:
Horizontally-opposed (Boxer)
Timing Drive:
Timing Belt (requiring replacement at specified intervals)
đ§ Transmission
Standard Transmission
Standard Type:
5-Speed Manual
Optional Transmission
Optional Type:
4-Speed Automatic
Features
AWD Integration:
All-Wheel Drive system integrated with both manual and automatic transmissions
Fluid Specifications
Manual Transmission Fluid:
Subaru Extra Synchro 75W-90 GL-5 or equivalent API GL-5 specification
Automatic Transmission Fluid:
Subaru ATF-HP or DEXRON III/MERCON equivalent
đ Dimensions
Exterior
Length:
Approx. 4330-4340 mm (170.5-170.9 in) - Sedan / Wagon variations
Width:
Approx. 1690-1705 mm (66.5-67.1 in)
Height:
Approx. 1405-1455 mm (55.3-57.3 in)
Wheelbase
Wheelbase:
Approx. 2520 mm (99.2 in)
Weights
Curb Weight:
Approx. 1200-1450 kg (2645-3197 lbs) - depending on trim and drivetrain
Gross Vehicle Weight Rating:
Varies by model, consult specific vehicle sticker
đĄïž Safety Features
Ratings
NHTSA Ratings:
Not widely tested by NHTSA during this era for comprehensive scores as we see today. However, known for robust chassis construction.
Active Features
ABS:
Available on higher trims or as an option (4-wheel ABS)
AWD:
Standard Symmetrical All-Wheel Drive contributes to enhanced traction and stability
Passive Features
Airbags:
Driver and Passenger front airbags standard on most models
Seatbelts:
3-point front and rear seat belts
Child Anchors:
LATCH system not standard, manual installation for child seats recommended
đĄ Technology Features
Infotainment
Audio System:
Basic AM/FM stereo with cassette player. Optional CD player availability on higher trims.
Speakers:
Typically 4 or 6 speakers
Driver Assistance
Cruise Control:
Available on most models
Traction Control:
Not commonly available in this generation
đ§ Maintenance
Service Intervals
Oil Change Interval:
Every 3,750 miles (6,000 km) or 3 months (whichever comes first) under normal driving conditions. Severe driving may require shorter intervals.
Timing Belt Replacement:
Recommended replacement every 60,000 miles (96,000 km) or 5 years. Critical on EJ engines.
Spark Plug Replacement:
Every 30,000 miles (48,000 km) for standard spark plugs, or 60,000 miles (96,000 km) for platinum-tipped plugs if equipped.
Coolant Flush:
Every 30,000 miles (48,000 km) or 2 years.
Fluid Specifications
Engine Oil Capacity Ej22:
Approx. 4.5 US quarts (4.3 liters) with filter
Engine Oil Type:
API SG or SH, SAE 10W-30 or 10W-40 (check owner's manual for specific climate recommendations)
Coolant Type:
Subaru Super Coolant (Blue) or a quality ethylene glycol-based coolant with corrosion inhibitors. Do not mix colors.
Known Issues
Head Gaskets:
While less prevalent than on later EJ25 engines, early EJ series engines can still experience head gasket leaks, especially if overheated. The manual provides diagnostic and repair procedures.
Timing Belt Tensioner:
Potential failure of the hydraulic timing belt tensioner on some EJ engines. The manual details inspection and replacement.
Oil Leaks:
Common areas for oil leaks include valve cover gaskets, oil pan gaskets, and front crankshaft seals. Manual covers seal replacement.
Electrical Gremlins:
Corroded grounds, aging wiring harnesses, and failing sensors can cause intermittent electrical issues. The detailed wiring diagrams in the manual are crucial.
đ Vehicle History
Brand Heritage
Subaru Legacy:
The Impreza was introduced as Subaru's compact offering, building on the AWD reputation established by the Subaru Leone and later the Subaru Legacy.
Model Evolution
First Generation Launch:
Introduced in 1992, replacing the Subaru Justy in some markets and establishing a new model line.
Body Styles:
Offered as a 2-door Coupe, 4-door Sedan, and a 5-door Station Wagon (often referred to as the 'Sport Wagon').
Performance Variants:
Introduction of the WRX (World Rally Cross) model in 1992, setting the stage for its legendary motorsport status.
Production
Manufacturing Locations:
Primarily manufactured in Japan (Gunma Prefecture)
đ Awards & Recognition
Recognitions
Car And Driver Awards:
Impreza WRX models often featured on Car and Driver's '10Best' lists in later years, highlighting the platform's performance potential.
Rally Success:
Significant success in the World Rally Championship (WRC) cemented the Impreza's performance reputation globally.
Ratings
Reliability Perception:
Generally considered reliable, especially the naturally aspirated models, with proper maintenance. The manual is key to longevity.