Audi-VW: Audi A4 2002-2004 :

Service Manual -- книжка для продвинутого пользователя или сервиса, где данной маркой занимаются от случая к случаю (там для ряда проблем есть отсылки типа "а вот с такими вещами -- к серьёзному дилеру"), а вот Official Factory Repair Manual -- это книга для настоящих ремонтников, там есть всё (недостатком является частая апелляция к специнструменту и совсем нелирическое изложение)".

Engine Mechanical
1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AWD, AWW, AWP
1.9 Liter 4-Cyl. 2V TDI Engine Mechanical, Engine Code(s): ALH
2.0 Liter 4-Cyl. 2V Engine Mechanical, Engine Code(s): AEG, AVH, AZG
2.8 Liter VR6 2V Engine Mechanical, Engine Code(s): AFP
Fuel Injection & Ignition
1.8 Liter 4-Cyl. 5V Turbo Fuel Injection & Ignition, Engine Code(s): AWD
1.8 Liter 4-Cyl. 5V Turbo Fuel Injection & Ignition, Engine Code(s): AWW, AWP
1.9 Liter 4-Cyl. 2V TDI Fuel Injection & Glow Plug, Engine Code(s): ALH
2.0 Liter 4-Cyl. 2V Fuel Injection & Ignition, Engine Code(s): AEG
2.0 Liter 4-Cyl. 2V Fuel Injection & Ignition, Engine Code(s): AVH, AZG
2.8 Liter VR6 2V Fuel Injection & Ignition, Engine Code(s): AFP
Manual Transmission
5 Spd. Manual Transmission 02J
Automatic Transmission
4 Spd. Automatic Transmission 01M On Board Diagnostic (OBD)
4 Spd. Automatic Transmission 01M
5 Spd. Automatic Transmission 09A On Board Diagnostic (OBD)
5 Spd. Automatic Transmission 09A
Suspension, Wheels, Brakes, Steering
Brake System On Board Diagnostic (OBD)
Brake System
Suspension, Wheels, Steering
Body
Body Collision Repair
Body Exterior
Body Interior
Body On Board Diagnostic (OBD)
Heating & Air Conditioning
Heating & Air Conditioning
Electrical Equipment
Electrical Equipment On Board Diagnostic (OBD)
Electrical Equipment
Radio, Telephone, Navigation
Maintenance
Maintenance