This comprehensive service repair manual for the 2008-2009 Subaru Impreza WRX and WRX STI provides detailed instructions and diagrams for every aspect of your vehicle's maintenance and repair. From routine servicing like oil changes and brake pad replacements to complex engine and transmission overhauls, this manual equips you with the knowledge and guidance to tackle any job with confidence.

Inside, you'll find detailed procedures covering every system, including:

* **Engine** - Learn about engine operation, performance tuning, and troubleshooting common issues.
* **Transmission** - Gain insight into the intricacies of manual and automatic transmissions, including clutch replacement, gear shifting, and repair techniques.
* **Drivetrain** - Understand the components of the drivetrain, such as axles, differentials, and transfer cases, along with their maintenance and repair procedures.
* **Brakes** - Master brake system diagnostics and repairs, including brake calipers, rotors, pads, and master cylinders.
* **Suspension** - Learn about the various suspension components, their functions, and repair methods.
* **Electrical** - Gain knowledge of electrical systems, including troubleshooting wiring diagrams, diagnosing electrical issues, and performing repairs.
* **Body and Interior** - Find guidance on repairing body panels, replacing interior components, and restoring the aesthetic appeal of your vehicle.

This manual is your go-to resource for all things related to maintaining and servicing your Subaru Impreza WRX or WRX STI, empowering you to perform repairs efficiently and cost-effectively.

The Subaru Impreza WRX and WRX STI models for the 2008 and 2009 model years are high-performance versions of the popular Impreza compact car, known for their sporty handling, powerful engines, and rally-inspired heritage. The WRX and WRX STI share the same basic platform, but the WRX STI features a more powerful engine, upgraded suspension components, and a more aggressive body style. Both models are powered by a turbocharged Boxer engine, and the WRX STI boasts a 2.5-liter engine producing an impressive 305 horsepower, while the WRX uses a 2.5-liter engine with slightly less power. The WRX and WRX STI stand out for their impressive handling characteristics, attributed to their symmetrical all-wheel drive (AWD) system, which distributes power evenly to all four wheels, providing superior traction and stability, particularly in challenging conditions. The Subaru Impreza WRX and WRX STI also feature a sophisticated suspension system that offers a balance between ride comfort and handling prowess, allowing for both daily driving comfort and exhilarating performance on the track.

The 2008 and 2009 Subaru Impreza WRX and WRX STI models offer a range of standard features, such as a six-speed manual transmission, a sport-tuned suspension, and a powerful audio system. The WRX STI adds additional performance-oriented features, including Brembo brakes, a limited-slip differential, and a sport-tuned exhaust system. Both models come equipped with a comprehensive suite of safety features, such as anti-lock brakes, stability control, and multiple airbags. These vehicles are renowned for their robust and reliable nature, with owners appreciating their ability to handle various conditions, from everyday commuting to spirited track driving. The Subaru Impreza WRX and WRX STI models of 2008 and 2009 represent a compelling blend of performance, practicality, and affordability, attracting individuals seeking a thrilling driving experience without compromising on everyday usability.