This comprehensive service and repair manual provides an in-depth guide for maintaining and repairing your 2003 Audi A4 RS4 S4 Avant (models 8E, 8E2, 8E5, 8EC, 8ED). The manual covers a wide range of topics, including general information, accessories and equipment, audio, visual and telematics systems, brakes, driveline axles, electrical systems, lights, restraints, steering, suspension, body and frame (both interior and exterior), mechanical engine, transmission, tires and wheels, HVAC, and wiring diagrams. You'll find detailed instructions, diagrams, and specifications to help you perform a wide array of service and repair procedures. This manual is an essential resource for both professional mechanics and DIY enthusiasts looking to keep their 2003 Audi A4 RS4 S4 Avant in top condition.

The Audi A4 RS4 2003 S4 Avant, or simply the RS4 Avant, is a high-performance station wagon variant of the Audi A4, produced from 2003 to 2005. It was based on the B6 chassis of the Audi A4, but with extensive modifications to its engine, suspension, and exterior styling to create a more aggressive and powerful driving experience. The RS4 Avant was powered by a 4.2-liter naturally aspirated V8 engine, producing 414 horsepower and 317 lb-ft of torque, making it one of the fastest station wagons of its time. This powerful engine was paired with a six-speed manual transmission or a six-speed Tiptronic automatic transmission. It featured a quattro all-wheel-drive system to enhance traction and stability, especially in demanding driving conditions. Further enhancing the driving experience, the RS4 Avant also featured a lowered and stiffened suspension, larger brakes, and a wider track. Its exterior was distinguished by a more aggressive front bumper with larger air intakes, a rear diffuser, and quad exhaust tips.

The RS4 Avant offered a compelling blend of performance and practicality, appealing to drivers seeking a powerful and versatile vehicle. Its 4.2-liter V8 engine provided exhilarating acceleration and a distinct sporty sound, while its wagon body offered ample cargo space and a versatile seating arrangement. The RS4 Avant's reputation as a high-performance station wagon has endured, making it a sought-after classic for enthusiasts. Its combination of performance, practicality, and style continues to capture the imagination of drivers seeking a unique and enjoyable driving experience. However, the RS4 Avant, like any other vehicle, is susceptible to mechanical issues, and its intricate components can require specialized expertise for repair and maintenance. This is where a comprehensive repair manual becomes an invaluable resource, providing detailed instructions and technical specifications to help owners and mechanics alike address any potential issues and keep this powerful station wagon in peak condition.