Subaru Impreza WRX STI 2007 Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX STI Year: 2007 Generation Generation Code: GD/GG Generation Name: Third Generation (also known as the 'Hawkeye' for the sedan and 'Bugeye' for the hatchback, though this generation is primarily the facelifted 'Hawkeye' sedan) 👋 Introduction Market Position Market Position: The 2007 Subaru Impreza WRX STI represented the pinnacle of Subaru's rally-bred performance sedan, positioned as a highly capable, all-wheel-drive performance car offering exceptional handling and power at a competitive price point within the sports sedan segment. Competitive Analysis Competitive Analysis: Competed against vehicles like the Mitsubishi Lancer Evolution, Ford Focus RS (in other markets), and other performance-oriented compact and mid-size sedans. Its symmetrical All-Wheel Drive system and turbocharged Boxer engine were key differentiators. Key Features Key Features: Iconic turbocharged EJ257 Boxer engine, advanced Driver Controlled Center Differential (DCCD), performance-tuned suspension, strong braking system, signature hood scoop, aggressive styling, and a reputation for rally-inspired handling. 📋 Manual Details Coverage Areas Coverage Areas: Complete factory service and repair procedures for the 2007 Subaru Impreza WRX STI. Page Count Page Count: Hundreds of pages (exact count not specified, but described as complete). Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Systems Covered: Engine, Drivetrain (AWD System, Transmission), Suspension, Steering, Brakes, Electrical System (Wiring Diagrams Included), HVAC, Fuel System, Cooling System, Exhaust System, Body & Chassis, Body Electrical, Diagnostic Trouble Codes (DTCs), Specifications, Maintenance Procedures. Procedures Included Procedures Included: Routine maintenance, scheduled maintenance, troubleshooting diagnostic procedures, component removal and installation, repair procedures, assembly and disassembly, specifications for torque, clearances, and measurements, wiring diagrams, diagnostic flowcharts. Technical Depth Technical Depth: Comprehensive, covering everything from basic fluid changes and inspections to full engine and transmission rebuilds, advanced electrical diagnostics, and body repair. 📊 Manual Specifications...

类型: Car

斯库: 424472

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标签: 2007 Car Cars Impreza WRX STI Misc Subaru

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Description

🏷️ Basic Information

Identification

Make:

Subaru

Model:

Impreza WRX STI

Year:

Generation

Generation Code:

GD/GG

Generation Name:

Third Generation (also known as the 'Hawkeye' for the sedan and 'Bugeye' for the hatchback, though this generation is primarily the facelifted 'Hawkeye' sedan)

👋 Introduction

Market Position

Market Position:

The 2007 Subaru Impreza WRX STI represented the pinnacle of Subaru's rally-bred performance sedan, positioned as a highly capable, all-wheel-drive performance car offering exceptional handling and power at a competitive price point within the sports sedan segment.

Competitive Analysis

Competitive Analysis:

Competed against vehicles like the Mitsubishi Lancer Evolution, Ford Focus RS (in other markets), and other performance-oriented compact and mid-size sedans. Its symmetrical All-Wheel Drive system and turbocharged Boxer engine were key differentiators.

Key Features

Key Features:

Iconic turbocharged EJ257 Boxer engine, advanced Driver Controlled Center Differential (DCCD), performance-tuned suspension, strong braking system, signature hood scoop, aggressive styling, and a reputation for rally-inspired handling.

📋 Manual Details

Coverage Areas

Coverage Areas:

Complete factory service and repair procedures for the 2007 Subaru Impreza WRX STI.

Page Count

Page Count:

Hundreds of pages (exact count not specified, but described as complete).

Manual Type

Manual Type:

Factory Service Repair Manual

Language

Language:

English

Format

Format:

Downloadable PDF

📖 Manual Coverage

Systems Covered

Systems Covered:

Engine, Drivetrain (AWD System, Transmission), Suspension, Steering, Brakes, Electrical System (Wiring Diagrams Included), HVAC, Fuel System, Cooling System, Exhaust System, Body & Chassis, Body Electrical, Diagnostic Trouble Codes (DTCs), Specifications, Maintenance Procedures.

Procedures Included

Procedures Included:

Routine maintenance, scheduled maintenance, troubleshooting diagnostic procedures, component removal and installation, repair procedures, assembly and disassembly, specifications for torque, clearances, and measurements, wiring diagrams, diagnostic flowcharts.

Technical Depth

Technical Depth:

Comprehensive, covering everything from basic fluid changes and inspections to full engine and transmission rebuilds, advanced electrical diagnostics, and body repair.

📊 Manual Specifications

File Format

File Format:

Print Quality

Print Quality:

High-resolution, suitable for printing individual sections or the entire manual.

Binding Type

Binding Type:

N/A (Digital Download)

Paper Type

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Code:

EJ257

Engine Type:

2.5L Horizontally Opposed (Boxer) DOHC 16-valve turbocharged inline-4

Performance

Horsepower:

305 hp @ 6000 rpm

Torque:

290 lb-ft @ 3500 rpm

Fuel System

Fuel System Type:

Sequential multi-port fuel injection (MPI) with side-feed fuel injectors.

Recommended Fuel:

Premium Unleaded 91 Octane or higher (essential for optimal performance and to prevent detonation).

Engine Management

Engine Control Unit:

ECU with advanced engine management for boost control, fuel delivery, and ignition timing.

Cooling System

Cooling System Type:

Pressurized liquid cooling system with thermostat-controlled fan.

Lubrication System

Oil Capacity:

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

Recommended Oil Viscosity:

5W-30 Synthetic

🔧 Transmission

Standard

Transmission Type:

6-speed manual transmission

Optional

Optional Transmission:

N/A (Manual transmission was standard for WRX STI models).

Features

Dccd System:

Driver Controlled Center Differential (DCCD) with automatic and manual modes for variable torque distribution.

Fluid Specifications

Transmission Fluid Type:

GL-5 Gear Oil (e.g., Subaru Extra-S or equivalent).

Differential Fluid Front:

GL-5 Gear Oil

Differential Fluid Rear:

GL-5 Gear Oil (Specific LSD friction modifier may be required).

📐 Dimensions

Exterior

Wheelbase:

103.1 inches (2619 mm)

Length:

173.8 inches (4415 mm)

Width:

69.1 inches (1755 mm)

Height:

56.1 inches (1425 mm)

Weights

Curb Weight:

Approximately 3296 lbs (1495 kg)

Wheels Tires

Standard Wheel Size:

17 x 8.0 inches

Standard Tire Size:

225/45R17

Wheel Bolt Pattern:

5x100 mm

🛡️ Safety Features

Ratings

NHTSA Front Impact Driver:

5-star

NHTSA Front Impact Passenger:

5-star

NHTSA Side Impact Front Driver:

4-star

NHTSA Side Impact Front Passenger:

4-star

NHTSA Side Impact Rear Driver:

4-star

NHTSA Side Impact Rear Passenger:

4-star

NHTSA Rollover:

4-star

Active Features

Active Safety Features:

Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Traction Control System (TCS), Vehicle Dynamics Control (VDC) with Active Torque Split AWD.

Passive Features

Passive Safety Features:

Front dual-stage airbags, front side-impact airbags, front and rear side curtain airbags, advanced front seat belts with pre-tensioners and force limiters, energy-absorbing steering column, Whiplash Protection System (WPS).

💡 Technology Features

Infotainment

Infotainment System:

Basic factory audio system (CD player, AM/FM radio). Higher trims may have premium audio options or CD changers. Bluetooth and navigation were not standard factory features.

Driver Assistance

Driver Assistance Features:

Limited compared to modern vehicles. Focus is on mechanical driver aids like DCCD, VDC, and ABS, rather than electronic driver-assistance systems like adaptive cruise control or lane keeping assist.

Climate Control

Climate Control Type:

Manual or automatic climate control depending on trim level.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 3,750 miles (6,000 km) or 3.5 months for severe driving, 7,500 miles (12,000 km) or 7 months for normal driving (refer to manual for specific conditions).

Spark Plug Replacement:

Typically around 60,000 miles (96,000 km), but check manual for specific type (iridium or platinum).

Timing Belt Replacement:

If applicable (some EJ257 had timing chains, but check for belt vs. chain). If belt, typically 105,000 miles (168,000 km) or 7 years.

Fluid Specifications

Coolant Type:

Subaru Super Coolant (Blue) or equivalent silicate-free long-life coolant.

Brake Fluid Type:

DOT 3 or DOT 4 (check manual for exact specification and recommendations).

Known Issues

Known Issues Engine:

Head gasket failures (though less common on EJ257 than earlier EJ25s), piston ring land failures or ring lands cracking due to detonation/pre-ignition, turbocharger failures from oil starvation or lack of proper warm-up/cool-down cycles, oil consumption.

Known Issues Chassis

Known Issues Chassis:

Clutch wear, differential issues if abused or neglected, suspension component wear (bushings, ball joints) due to performance driving.

Tune Up Parts

Ignition Coils:

Coil-on-plug design, prone to failure over time; inspect and test.

Air Filter Part Number:

Subaru Part Number: 16546AA020 (or equivalent aftermarket).

Oil Filter Part Number:

Subaru Part Number: 15208AA070 (or equivalent aftermarket).

📚 Vehicle History

Brand Heritage

Brand Heritage:

Subaru has a long and successful history in motorsports, particularly in the World Rally Championship (WRC), where the Impreza WRX STI models achieved legendary status and contributed significantly to the model's performance image.

Model Evolution

Model Evolution 2007:

The 2007 model year was part of the GD/GG chassis generation. It received a significant facelift in 2006 (often referred to as the 'Hawkeye' refresh), bringing revised styling, improved aerodynamics, and chassis enhancements, making the 2007 model a refined iteration of this generation.

Production

Production Location:

Japan (and some assembly in other regions).

🏆 Awards & Recognition

Recognitions

Rally Heritage Awards:

While the 2007 model year didn't see direct WRC championships for the production car, the Impreza chassis itself is a multi-time WRC manufacturer and driver championship winner, cementing its performance pedigree.

Ratings

Performance Magazine Ratings:

Consistently praised by automotive journalists for its handling, AWD grip, and potent engine, often ranking highly in 'best performance car' lists for its segment and price point during its production run.