🏷️ Basic Information

Make:

Subaru

Model:

Impreza

Year:

2001

Chassis Code:

GFA/GGB (for wagon/sedan, referring to common platform)

Engine Code General:

EJ series (e.g., EJ20, EJ25 variants common)

👋 Introduction

Segment:

Compact/Small Family Car (often competing in the rally-inspired performance segment for certain trims)

Target Audience:

Owners seeking to perform their own maintenance and repairs, independent mechanics, enthusiasts.

Competitors 2001:

Honda Civic, Toyota Corolla, Mazda Protege, Mitsubishi Lancer, Ford Focus.

All Wheel Drive:

Subaru's signature Symmetrical All-Wheel Drive (AWD) system available on many models, providing enhanced traction and stability.

Performance Variants:

Availability of higher-performance WRX models (though potentially introduced later in the model year or specific markets for 2001) known for turbocharged engines and sport-tuned suspensions.

Practicality:

Offered in both sedan and wagon body styles, providing versatility for different needs.

📋 Manual Details

Primary Coverage:

Repair and overhaul of Subaru Impreza 2001 vehicles

Assumed User Knowledge:

Technician fully conversant with general automobile practices

Estimated Pages:

Comprehensive (exact number not specified in product info, typically 1000+ pages for a full workshop manual)

Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Powertrain:

Engine mechanical, engine management, fuel system, cooling system, exhaust system, manual transmission, automatic transmission, drivetrain components (differentials, axles, driveshafts).

Chassis:

Suspension (front and rear), steering system, brake system (hydraulic, ABS), wheels and tires.

Electrical:

Body electrical systems, lighting, instruments and gauges, audio system, power accessories, HVAC controls, engine control module (ECM) wiring, chassis control module (CCM) wiring, anti-theft system.

Body:

Exterior body panels, interior trim, glass and mirrors, bumpers, doors, hood, trunk lid, seals, body structural components.

Maintenance:

Scheduled maintenance, oil changes, filter replacements, fluid checks and top-ups, spark plug replacement, belt inspection and replacement.

Repair:

Component removal and installation, engine overhaul, transmission overhaul, brake component replacement, suspension component replacement, steering component replacement, electrical component troubleshooting and repair, body panel repair.

Diagnostics:

Troubleshooting guides, diagnostic trouble codes (DTCs) interpretation, wiring diagrams, component testing procedures, diagnostic tool usage (e.g., Subaru Select Monitor).

Specifications:

Torque specifications for all fasteners, clearances and tolerances, fluid capacities, electrical specifications, diagnostic parameters.

Depth:

Comprehensive, from basic maintenance to full engine and transmission rebuilds. Includes detailed diagnostic procedures and wiring schematics.

📊 Manual Specifications

Format:

PDF

Searchable Text:

Likely searchable if professionally created, allowing quick access to information.

Printable:

Generally printable, allowing for physical copies in a workshop environment.

Quality:

Dependent on the source of the PDF; professional workshop manuals typically have clear diagrams and text.

Type:

N/A (Digital PDF format)

Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

Horizontally Opposed (Boxer) 4-Cylinder

Displacement Typical:

2.5 Liters (EJ253) for naturally aspirated models; 2.0 Liters (EJ205) for turbocharged WRX models.

Horsepower Na:

Approx. 165 hp @ 5600 rpm (for 2.5L naturally aspirated)

Torque Na:

Approx. 166 lb-ft @ 4000 rpm (for 2.5L naturally aspirated)

Horsepower Turbo Wrx:

Approx. 227 hp @ 5600 rpm (for 2.0L turbocharged WRX)

Torque Turbo Wrx:

Approx. 217 lb-ft @ 4000 rpm (for 2.0L turbocharged WRX)

Injection Type:

Electronic Fuel Injection (EFI)

Fuel Type:

Unleaded Gasoline

Ignition System:

Distributorless Electronic Ignition (Coil-on-plug or waste spark configurations common)

🔧 Transmission

Transmission Type Na:

5-speed Manual Transmission

Transmission Type Optional:

4-speed Automatic Transmission

Transmission Type Wrx:

5-speed Manual Transmission (standard on WRX)

Drivetrain AWD:

Symmetrical All-Wheel Drive standard on most models, including WRX. Front-wheel drive might be available on some base models or specific markets.

Center Differential Type:

Viscous coupling center differential (for AWD systems)

📐 Dimensions

Length Sedan:

Approx. 4410 mm (173.6 in)

Length Wagon:

Approx. 4405 mm (173.4 in)

Width:

Approx. 1700 mm (66.9 in)

Height:

Approx. 1440 mm (56.7 in) sedan / 1445 mm (56.9 in) wagon

Wheelbase:

Approx. 2510 mm (98.8 in)

Cargo Volume Sedan:

Approx. 12.7 cu ft (varies slightly by configuration)

Cargo Volume Wagon:

Approx. 37.0 cu ft (rear seats up)

Curb Weight Base:

Approx. 1280 kg (2822 lbs) for base sedan

Curb Weight AWD Auto:

Approx. 1370 kg (3020 lbs) for AWD automatic sedan

Curb Weight Wrx:

Approx. 1375 kg (3031 lbs)

🛡️ Safety Features

NHTSA Front Crash Test Driver:

4 Stars (for models equipped with airbags)

NHTSA Front Crash Test Passenger:

4 Stars (for models equipped with airbags)

ABS:

Anti-lock Braking System (ABS) available on many models, standard on higher trims/WRX.

Traction Control:

Traction Control System (TCS) available on select models.

Airbags Front:

Driver and front passenger airbags standard.

Airbags Side:

Optional front side-impact airbags on some trims.

Seatbelts:

3-point front and rear seatbelts, pretensioners for front seats.

💡 Technology Features

Audio System:

Factory AM/FM/CD player, typically with 4 or 6 speakers depending on trim level. Cassette player may be present on base models.

Navigation:

Aftermarket navigation systems were common, factory navigation was rare or unavailable for this model year.

Cruise Control:

Standard on most models.

Limited Electronic Aids:

Compared to modern vehicles, electronic driver aids were limited, focusing primarily on ABS and optional traction control.

Auxiliary Input:

Typically not equipped with a standard auxiliary audio input jack; aftermarket solutions are common.

Bluetooth:

Not available from the factory.

🔧 Maintenance

Oil Change Interval:

Typically every 3,750 miles or 3 months, whichever comes first (or 7,500 miles/6 months with synthetic oil, check specific manual).

Air Filter Replacement:

Every 15,000 miles or 12 months.

Spark Plug Replacement:

Every 60,000 miles for platinum-tipped plugs (check specific plug type).

Timing Belt Replacement:

Critical for EJ series engines. Typically every 60,000-105,000 miles or 5-7 years, depending on model and climate. Failure can cause severe engine damage. Manual will specify exact interval and parts.

Engine Oil Type Na:

SAE 5W-30 API SG or SH (synthetic blend or full synthetic recommended for better protection).

Engine Oil Type Turbo:

SAE 5W-30 or 10W-30 API SG or SH (synthetic oil highly recommended for turbo engines).

Coolant:

Subaru Super Coolant or equivalent (50/50 mix with distilled water). Blue color.

Transmission Fluid Manual:

API GL-5, SAE 75W-90 Gear Oil (e.g., Subaru Extra-S or equivalent).

Transmission Fluid Automatic:

Subaru ATF-HP or equivalent. (Check specific manual for compatibility, as earlier ATFs may not be suitable).

Differential Fluid:

API GL-5, SAE 75W-90 Gear Oil (front and rear differentials, if applicable).

Head Gaskets:

While less prevalent on EJ253 compared to earlier EJ25D, potential for head gasket leaks can still occur, especially under heavy use or neglect. Manual will detail replacement procedures.

Turbocharger Wear:

For WRX models, turbocharger oil starvation or overheating due to improper maintenance (e.g., delayed oil changes, heat soak) can lead to premature wear. Manual covers lubrication and cooling systems.

Clutch Wear:

Standard wear item on manual transmission vehicles, especially performance variants. Manual details clutch inspection and replacement.

Power Steering Leaks:

Hoses and seals can degrade over time, leading to leaks. Manual provides schematics and replacement procedures.

📚 Vehicle History

Manufacturer Origin:

Japan

AWD Specialty:

Subaru has a long-standing reputation for its commitment to All-Wheel Drive technology across its model lineup.

Generation 2001:

Second generation (GD/GG chassis) - often referred to as the 'bug eye' Impreza due to its distinctive front-end styling.

Previous Generation:

First generation (GC/GF chassis, 1992-2000)

Production Start Year Model:

2000 (for the 2001 model year)

Manufacturing Location:

Japan

🏆 Awards & Recognition

Automotive Journalism Awards:

Subaru Impreza, particularly WRX variants, often received praise for performance and handling from automotive publications. Specific awards for the 2001 model may vary.

Consumer Reports Reliability:

Reliability ratings vary by specific components and model year; the manual is crucial for understanding and addressing potential issues.

Epa Fuel Economy:

EPA estimates for 2.5L AWD automatic: Approx. 20 MPG city / 26 MPG highway. Manual transmission may differ. (Actual mileage varies)