This comprehensive Subaru Impreza WRX/STI Service Repair Manual is your essential guide for maintaining, repairing, and restoring your vehicle. Created for both professional mechanics and DIY enthusiasts, this manual offers detailed instructions and illustrations to ensure you have the knowledge and confidence to tackle any repair.

Covering all aspects of your Impreza WRX/STI, from engine and transmission to chassis and body, this manual provides an in-depth look at every component. Learn about the inner workings of your vehicle's systems, including:

* **Engine:** Fuel Injection, Emission Control, Intake, Mechanical, Exhaust, Cooling, Lubrication, Speed Control Systems, Ignition, Starting-Charging Systems, Engine Diagnostics, and General Description.
* **Transmission:** Control Systems, Automatic Transmission (including diagnostics), Manual Transmission and Differential (5-speed and 6-speed), Transmission Diagnostics, and Clutch System.
* **Chassis:** Front Suspension, Rear Suspension, Wheel and Tire System, Differentials, Transfer Case, Drive Shaft System, ABS/Vehicle Dynamics Control (including diagnostics), Brake System, Parking Brake, and Power Assisted System (Power Steering).
* **Body:** HVAC System (Heater, Ventilator, and AC), HVAC System Diagnostics, Airbag System (including diagnostics), Seat Belt System, Lighting System, Wiper and Washer Systems, Entertainment System, Communication System, Glass, Windows, and Mirrors, Body Structure, Instrumentation and Driver Info, Seats, Security and Locks, Sunroof/Convertible Top, Exterior/Interior Trim, Exterior Body Panels, Cruise Control System (including diagnostics), LAN System Diagnostics, Immobilizer Diagnostics, and Occupant Detection System Diagnostics.
* **Wiring Diagrams**
* **Body Repair**
* **Mechanism and Function:** Detailed explanations of each system, including specifications, fuel injection, emission control, intake, mechanical, exhaust, cooling, lubrication, speed control systems, ignition, starting-charging systems, manual and automatic control systems, transmission systems, clutch, suspension, differentials, transfer case, drive shaft, ABS, vehicle dynamics control, brake, parking brake, power steering, HVAC, airbag, seat belt, lighting, wiper and washer, communication, entertainment, glass/windows/mirrors, instrumentation, seats, security, sunroof, trim, exterior body panels, cruise control, and LAN system.

With this extensive manual at your fingertips, you'll have the tools necessary to perform virtually any repair or maintenance task on your 2008, 2009, or 2010 Subaru Impreza WRX/STI. Save time and money by becoming your own mechanic with this comprehensive resource.

## The 2008-2010 Subaru Impreza WRX/STI: A Rally-Bred Legend

The Subaru Impreza WRX/STI, produced from 2008 to 2010, represents the pinnacle of Subaru's performance lineage. These models, built on the already potent Impreza platform, are renowned for their rally-inspired handling, powerful turbocharged engines, and the legendary all-wheel-drive system that defines Subaru's identity. The WRX, offering a potent 224 horsepower, is an accessible entry point into the world of high-performance driving. However, it is the STI that truly captures the spirit of the Impreza lineage. Boasting a 305 horsepower 2.5-liter turbocharged boxer engine, the STI delivers raw power and precise handling, honed by its heritage in the demanding world of rally racing. With its distinctive aggressive styling, featuring a large rear wing and aggressive front bumper, the STI exudes a powerful presence on the road.

These models are a testament to Subaru's commitment to performance and engineering excellence. The WRX/STI features a robust and reliable powertrain, capable of handling high horsepower and torque. The symmetrical all-wheel-drive system provides unmatched grip and handling, making these cars exceptional performers in various conditions. The interior, while maintaining a functional approach, provides a driver-focused experience with supportive sport seats and a well-designed dashboard. The 2008-2010 WRX/STI, despite their age, remain highly sought-after by enthusiasts who value performance, driving dynamics, and the unique character of a true rally-bred machine. These models offer an engaging and rewarding driving experience that has earned the Impreza WRX/STI a dedicated following and a place in automotive history.