Audi A4 2002-2008 Chilton Total Car Repair Manual, Book

Includes detailed instructions for routine maintenance, diagnostics, troubleshooting and repair — from simple tasks like tune-ups and brake to more involved engine and drivetrain work
Detailed repair procedures supported by specs, exploded views, and clear photos
Vacuum and wiring diagrams to help trace electrical systems
Diagnostic and troubleshooting charts for faster problem solving
Maintenance schedules and general service tips for do-it-yourself mechanics