🏷️ Basic Information

Make:

Subaru

Model:

Impreza WRX

Year:

2005

Chassis Code:

GDB

Engine Code:

EJ205

👋 Introduction

Segment:

Performance Compact Sedan/Wagon

Target Audience:

Enthusiasts, rally fans, performance-oriented drivers seeking an AWD turbocharged vehicle.

Competitors:

Mitsubishi Lancer Evolution, Honda Civic Si, Acura RSX, Volkswagen GTI, Ford Focus SVT (in spirit).

Performance Focus:

Known for its turbocharged boxer engine, symmetrical all-wheel-drive system, and sporty handling, appealing to a performance-driven market.

Rally Heritage:

Directly derived from Subaru's World Rally Championship (WRC) success, imbuing it with a performance pedigree.

📋 Manual Details

Systems Covered:

Engine Mechanical, Engine Control System (ECU), Fuel System, Ignition System, Emission Control System, Cooling System, Lubrication System, Intake System, Exhaust System, Clutch, Manual Transmission, Drivetrain (Front/Rear Axles, Differentials), Brakes (Front/Rear), Anti-lock Braking System (ABS), Power Steering, Suspension (Front/Rear), Wheels and Tires, Body (Exterior/Interior), Doors, Windows, Locks, Seats, Air Conditioning (HVAC), Supplemental Restraint System (SRS) Airbags, Electrical System (Wiring Diagrams, Components), Lighting, Instruments, Audio System, Wiper/Washer System, Diagnostic Procedures, Troubleshooting Guides, Specifications, Torque Values, Maintenance Schedules

Estimated Pages:

Over 2000 (typical for a comprehensive factory service manual)

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

PDF (Digital Download)

📖 Manual Coverage

Engine Mechanical:

Detailed procedures for engine disassembly, inspection, repair, and reassembly including cylinder head, pistons, connecting rods, crankshaft, camshafts, timing belt, and oil pump.

Engine Control:

Comprehensive coverage of the Engine Control Unit (ECU), sensors (e.g., MAP, TPS, O2, Crankshaft Position, Camshaft Position), actuators (e.g., fuel injectors, ignition coils), and diagnostic trouble codes (DTCs).

Transmission Drivetrain:

Includes repair and maintenance for the TY754 5-speed manual transmission, clutch system, front and rear differentials, driveshafts, and AWD system.

Brakes Suspension:

Covers brake system components (master cylinder, calipers, rotors, lines), ABS operation and diagnosis, power steering system, and detailed front/rear suspension component replacement and alignment procedures.

Maintenance:

Scheduled maintenance tasks, fluid changes, filter replacements, belt inspections, and general upkeep.

Troubleshooting:

Systematic diagnostic procedures for identifying and resolving common and uncommon problems, including symptom-based troubleshooting charts.

Repair Rebuild:

Step-by-step instructions for component removal, repair, and reinstallation for all major vehicle systems.

Depth:

Complete factory-level repair and diagnostic information, suitable for professional technicians and advanced DIY enthusiasts. Covers everything from basic fluid changes to complete engine and transmission rebuilds.

📊 Manual Specifications

File Type:

PDF

Searchability:

Likely text-searchable PDF (depending on source quality), allowing for quick information retrieval.

Printable:

Yes, PDF format allows for printing of individual pages or sections.

Image Resolution:

Variable, but typically high-resolution images and diagrams for clarity.

Digital Binding:

N/A (Digital)

Digital Paper Type:

N/A (Digital)

⚙️ Engine Specifications

Engine Type:

Horizontally Opposed (Boxer), 4-Cylinder, Turbocharged

Displacement:

2.0 Liters (1994 cc)

Bore X Stroke:

92.0 mm x 75.0 mm

Compression Ratio:

8.0:1

Valvetrain:

DOHC (Dual Overhead Camshafts), 16 Valves (4 valves per cylinder)

Turbocharger:

IHI VF39 (typically)

Intercooler:

Top-mounted air-to-air intercooler

Horsepower:

227 hp @ 5600 rpm (approximate, depending on market and specific tuning)

Torque:

217 lb-ft @ 3200 rpm (approximate, depending on market and specific tuning)

Fuel Delivery:

Sequential Multi-Port Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (91 Octane or higher recommended)

Ignition System:

Electronic ignition with individual coil-on-plug ignition coils.

🔧 Transmission

Transmission Type:

5-Speed Manual Transmission

Transmission Code:

TY754

Transmission Type:

None for WRX model

Drivetrain:

Symmetrical All-Wheel Drive (AWD) with Viscous Coupling Center Differential

Clutch Type:

Hydraulically actuated, single-plate, dry-type clutch.

📐 Dimensions

Length:

173.8 inches (4415 mm)

Width:

68.3 inches (1735 mm)

Height:

56.1 inches (1425 mm)

Wheelbase:

100.1 inches (2540 mm)

Front Track:

58.3 inches (1480 mm)

Rear Track:

57.7 inches (1465 mm)

Curb Weight:

3131 lbs (1420 kg) (approximate)

Gross Vehicle Weight Rating:

Not readily available, consult manual for specific ratings.

Trunk Volume:

11.4 cubic feet (sedan) / 30.4 cubic feet (wagon, seats up)

🛡️ Safety Features

NHTSA Front Impact:

4 Stars (Driver), 4 Stars (Passenger)

NHTSA Side Impact:

4 Stars (Front), 4 Stars (Rear)

IIHS Moderate Overlap Frontal:

Good

ABS:

Standard Anti-lock Braking System (ABS)

AWD:

Standard Symmetrical All-Wheel Drive for enhanced traction and stability.

Airbags:

Front driver and passenger airbags. Side airbags may be optional or standard depending on trim/market.

Seatbelts:

Three-point seatbelts with pretensioners and load limiters.

Child Anchors:

LATCH (Lower Anchors and Tethers for Children) system.

💡 Technology Features

Audio System:

Factory-installed AM/FM stereo with CD player. Speaker configuration typically 4-6 speakers.

Cruise Control:

Standard cruise control system.

Aux Input:

Typically not present on factory units; aftermarket solutions may exist.

🔧 Maintenance

Oil Change Interval:

Every 3,750 - 5,000 miles or 6 months, whichever comes first (severe service may require more frequent changes). Consult manual for exact Subaru recommendations.

Timing Belt Replacement:

Typically every 60,000 - 105,000 miles or 5-7 years, whichever comes first. Crucial for the EJ205 engine. Manual will specify.

Spark Plug Replacement:

Refer to manual, generally around 30,000 - 60,000 miles depending on plug type.

Engine Oil Type:

SAE 5W-30 or 10W-30 Synthetic (API SG or higher). Consult manual for exact viscosity and API service classification.

Engine Oil Capacity:

4.8 US quarts (4.5 liters) with filter change (approximate).

Transmission Fluid Type:

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

Differential Fluid Type:

API GL-5, SAE 75W-90 synthetic for front and rear differentials.

Coolant Type:

Subaru Super Coolant (Blue) or equivalent silicate-free, long-life coolant (50/50 mix with distilled water).

Head Gaskets:

While less common on the EJ205 compared to some later EJ engines, head gasket leaks can still occur. Manual provides inspection and replacement procedures.

Piston Ring Land Cracks:

Some EJ205 engines can be susceptible to piston ring land cracks under extreme conditions or with improper tuning. Manual covers piston inspection.

Turbo Charger Wear:

The IHI VF39 turbo can experience wear over time, affecting boost pressure. Manual guides on turbo inspection and replacement.

Clutch Wear:

Clutches in performance vehicles can wear faster depending on driving style. Manual details clutch inspection and replacement.

📚 Vehicle History

Subaru Identity:

Subaru has a long-standing reputation for its horizontally opposed engines and Symmetrical All-Wheel Drive systems, often associated with rally racing and all-weather capability.

Gd Generation:

The 2005 Impreza WRX is part of the second generation (GD chassis) Subaru Impreza, introduced in 2000. This generation saw significant styling changes and performance enhancements.

Wrx Positioning:

The WRX (World Rally eXperimental) variant was developed as a homologation special for rally racing, bringing that performance DNA to the street.

Production Period:

The second generation (GD) Impreza WRX was produced from 2000 to 2007, with facelifted models (often referred to as 'hawkeye' for the facelifted front end) appearing around 2006.

🏆 Awards & Recognition

Performance Acclaim:

The Subaru Impreza WRX has consistently received accolades for its performance, handling, and all-wheel-drive capabilities from automotive publications over the years.

Car And Driver Editors Choice:

Frequently listed as a notable performance car by publications like Car and Driver.