The Audi A6 2005 Repair and Service Manual provides comprehensive instructions and procedures for maintaining and repairing your vehicle. This manual covers a wide range of topics including engine maintenance, control system diagnostics, mechanical repairs, fuel service specifications, emission control systems, intake and exhaust cooling systems, lubrication, ignition, starting, charging, automatic and manual transmissions, clutch systems, transfer case, propeller shafts, drive shafts, differentials, axles, suspension, tires and wheels, brake systems, parking brake, steering column, power steering, air conditioning, supplemental restraint systems, seatbelts, engine immobilizers, cruise control, wipers and washers, door locks, meters, audio/visual systems, horns, windshields, glass, mirrors, instrument panels, seats, engine hoods, doors, exterior and interior components, electrical systems, multiplex and CAN communication, and much more. This manual is a valuable resource for anyone who owns or works on an Audi A6 2005, providing detailed information that can save you time, money, and effort in keeping your vehicle running smoothly.

The Audi A6, a mid-size luxury sedan, has been a mainstay in the automotive landscape since its debut in 1994. The 2005 model year marked the fourth generation of the A6, boasting a refined and sophisticated design that further cemented its place in the premium segment. This generation was built on Volkswagen's versatile C6 platform, sharing underpinnings with other renowned models like the Volkswagen Phaeton and the Bentley Continental Flying Spur. The A6's exterior design showcased a blend of elegance and sportiness, featuring a distinctive single-frame grille, sculpted lines, and a low-slung profile. Beyond its aesthetic appeal, the 2005 A6 boasted a range of powertrain options to suit varying driving preferences. The base model was powered by a 3.2-liter V6 engine, while more performance-oriented variants included a 4.2-liter V8 engine. For those seeking enhanced fuel efficiency, a 2.0-liter turbocharged four-cylinder engine was also available. Furthermore, the A6 offered a choice of transmissions, with a 6-speed manual being standard on some trims and a 6-speed Tiptronic automatic being offered as an option. The 2005 A6 was equipped with a comprehensive suite of features, catering to safety, comfort, and convenience. Standard features included dual-zone climate control, an advanced sound system, and a host of safety systems, including multiple airbags and electronic stability control. Optional features included a sunroof, navigation system, and a premium sound system.