🏷️ Basic Information

Make:

Subaru

Model:

Impreza WRX

Year:

2007

👋 Introduction

Segment:

Compact Sports Sedan / Performance Hatchback

Target Audience:

Enthusiast drivers, rally-inspired performance car buyers, DIY mechanics and professional technicians specializing in performance vehicles.

Key Competitors 2007:

Mitsubishi Lancer Evolution, Honda Civic Si, Volkswagen GTI, Mazdaspeed3

Performance Identity:

Known for its turbocharged Boxer engine, Symmetrical All-Wheel Drive (AWD) system, and rally-bred heritage, offering exceptional grip and performance.

Handling:

Renowned for its sharp handling and driver engagement, making it a popular choice for track days and spirited driving.

For Owner:

Empowers owners to perform maintenance and repairs, understand their vehicle's systems, and save on labor costs.

For Technician:

Provides essential technical data, diagnostic procedures, and repair specifications for efficient and accurate servicing.

📋 Manual Details

Primary Coverage:

Repair and overhaul of Subaru Impreza WRX 2007 models

Estimated Page Count:

High (typically 1000+ pages for comprehensive workshop manuals)

Type:

Workshop Service Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Engine:

Detailed diagnosis, repair, and overhaul of the EJ255 2.5L turbocharged flat-four engine, including timing belt service, turbocharger systems, fuel injection, ignition, and emissions control.

Transmission:

Coverage for the 5-speed manual transmission, including clutch replacement, gearbox overhaul, and drivetrain components (driveshafts, differentials).

Brakes:

Front and rear brake system repair, including rotor and pad replacement, caliper service, hydraulic system bleeding, ABS diagnostics, and parking brake adjustments.

Suspension And Steering:

Front and rear suspension component diagnosis and replacement (struts, springs, control arms, sway bars), power steering system service, and wheel alignment specifications.

Electrical System:

Comprehensive wiring diagrams, fuse and relay layouts, starter and charging system service, lighting systems, power accessories, instrument cluster diagnostics, and ECU troubleshooting.

Body And Chassis:

Body panel repair, door and window mechanisms, interior trim removal and installation, bumper repair, and chassis component inspection.

Maintenance:

Scheduled maintenance tasks, fluid level checks, filter replacements (oil, air, fuel, cabin), spark plug replacement, and general inspection procedures.

Troubleshooting:

Diagnostic flowcharts and symptom-based troubleshooting for common engine, transmission, electrical, and chassis issues.

Repair And Overhaul:

Step-by-step instructions for major component repairs, including engine teardown and reassembly, transmission rebuilds, brake system overhauls, and suspension component replacements.

Diagnostics:

Procedures for using diagnostic tools, reading trouble codes (OBD-II), interpreting sensor data, and diagnosing electronic control unit (ECU) related problems.

Depth:

Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds, advanced diagnostics, and detailed electrical system troubleshooting.

📊 Manual Specifications

PDF Quality:

High resolution for clear text and diagrams, searchable text for easy navigation.

Printability:

Designed for easy printing of individual sections or the entire manual.

Binding:

N/A (Digital PDF format)

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Code:

EJ255

Engine Type:

2.5L DOHC turbocharged and intercooled Boxer 4-cylinder

Bore X Stroke:

99.5 mm x 79.0 mm

Compression Ratio:

8.4:1

Displacement:

2457 cc

Horsepower Peak:

224 hp @ 5600 rpm (approx.)

Torque Peak:

226 lb-ft @ 3600 rpm (approx.)

Fuel Delivery:

Sequential electronic fuel injection (SEFI) with top-feed injectors

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

Ignition System:

Distributorless ignition system (DLI) with coil-on-plug ignition coils.

Turbocharger Model:

IHI VF48 (typical)

Intercooler Type:

Top-mounted air-to-air intercooler.

🔧 Transmission

Type:

5-speed manual transmission

Type:

None offered for WRX models of this year.

Drive Type:

Symmetrical All-Wheel Drive (AWD) with viscous coupling center differential.

First Gear:

3.167:1 (typical)

Second Gear:

2.000:1 (typical)

Third Gear:

1.370:1 (typical)

Fourth Gear:

1.000:1 (typical)

Fifth Gear:

0.745:1 (typical)

Reverse Gear:

3.000:1 (typical)

Transmission Fluid Type:

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

📐 Dimensions

Length:

174.6 in (4435 mm)

Width:

69.7 in (1770 mm)

Height:

57.7 in (1465 mm)

Wheelbase:

104.0 in (2640 mm)

Front Track:

59.3 in (1505 mm)

Rear Track:

58.7 in (1490 mm)

Curb Weight:

3140 lbs (1424 kg) (approx.)

Gross Vehicle Weight Rating:

4100 lbs (1860 kg) (approx.)

🛡️ Safety Features

NHTSA Frontal Crash Test Driver:

Good

NHTSA Frontal Crash Test Passenger:

Good

IIHS Front Offset Crash Rating:

Good

ABS:

Standard Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD).

Traction Control:

Standard Traction Control System (TCS).

Stability Control:

Not standard on all 2007 WRX models; typically introduced in later generations.

Airbags:

Standard front dual-stage airbags for driver and front passenger. Optional side-impact airbags might be available on certain trims.

Seatbelts:

Three-point height-adjustable front seat belts with pretensioners and load limiters, three-point rear seat belts.

Child Seat Anchors:

LATCH (Lower Anchors and Tethers for Children) system in rear seats.

💡 Technology Features

Audio System:

Factory AM/FM/CD player with 4 or 6 speakers. Some models might offer premium audio upgrades. Aux input was not standard and often an aftermarket addition.

Navigation:

Optional factory navigation system available on some higher trims, typically a cassette-based or CD-based system.

Cruise Control:

Standard electronic cruise control.

Keyless Entry:

Standard or optional keyless entry and remote keyless entry.

Bluetooth:

Not standard. Requires aftermarket installation or specific dealer-installed accessory.

Usb Port:

Not standard. Requires aftermarket installation.

🔧 Maintenance

Oil Change:

Every 3,750 miles or 6 months (severe driving conditions may require more frequent changes), or 7,500 miles/12 months (normal conditions), always consult the manual for exact intervals based on usage.

Engine Air Filter:

Replace every 15,000 miles or 12 months.

Cabin Air Filter:

Replace every 15,000 miles or 12 months.

Spark Plugs:

Replace every 60,000 miles (typically iridium type).

Timing Belt:

Replace every 105,000 miles or 7 years, whichever comes first. Crucial for EJ series engines.

Coolant Flush:

Initial replacement at 105,000 miles or 5 years, then every 60,000 miles or 4 years thereafter.

Engine Oil Type:

SAE 5W-30 synthetic (API SG, SH, or SJ).

Engine Oil Capacity:

5.0 US quarts (4.7 liters) with filter change.

Coolant Type:

Subaru Super Coolant (Blue) or equivalent P-HOAT coolant.

Brake Fluid Type:

DOT 3 or DOT 4.

Power Steering Fluid Type:

Subaru Genuine Power Steering Fluid or Dexron III/Mercon ATF.

Engine Oil Consumption:

Some EJ255 engines can exhibit higher than average oil consumption, especially when driven hard. Regular checks are vital.

Headgasket Failures:

While not as prevalent as in earlier naturally aspirated Subarus, head gasket leaks can still occur. The EJ255 is generally more robust but requires proper maintenance.

Clutch Wear:

Due to the performance nature, clutch wear can be accelerated with aggressive driving. Clutch pedal engagement and slipping are indicators.

Turbocharger Failures:

Premature turbo failure can occur due to oil starvation or contamination. Regular oil changes and allowing the turbo to cool down are recommended.

Catalytic Converter Clogging:

Can occur with prolonged oil consumption or rich fuel mixtures, leading to loss of power.

📚 Vehicle History

Motorsport Influence:

Subaru's extensive history and success in World Rally Championship (WRC) heavily influenced the Impreza WRX's development, translating to its performance-oriented features.

Generation:

Third Generation (GE/GH/GR/GV) - The 2007 model year is part of the second generation (GD/GG), specifically the 'Bugeye' to 'Blobeye' to 'Hawkeye' evolution. The 2007 model is often referred to as the 'Hawkeye' WRX, part of the GD chassis facelift.

Body Styles:

Available as a 4-door sedan and a 5-door hatchback (Impreza WRX wagon).

Manufacturing Location:

Ota, Gunma, Japan

Production Years:

The second generation GD/GG Impreza ran from 2000-2007. The WRX variant specifically evolved through facelifts within this period.

🏆 Awards & Recognition

Automotive Press Reviews:

Consistently praised by automotive journalists for its performance, AWD grip, and rally-inspired driving dynamics. Often cited as a benchmark for affordable performance cars.

Car And Driver 10Best:

The Impreza WRX (or its WRX STI sibling) has been a frequent recipient of Car and Driver's 10Best list in various years, highlighting its performance and value.

Emissions Compliance:

Compliant with EPA and California ARB emissions standards for the 2007 model year. The manual details procedures for emissions system diagnostics and repairs.