2003 Audi A4 repair manual

2003 Audi A4 OEM factory repair manual – VIN-specific PDF download

The 2003 Audi A4 (B6) factory repair manual, taken from Audi's own service information for your VIN: repair procedures, torque specs and wiring diagrams for your exact car. Audi offered the 2003 A4 with 14 engine versions, petrol and TDI diesel, each with its own gearbox options (listed below); your manual is built for the engine and gearbox in your VIN.

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The 2003 Audi A4 belongs to the A4 B6 (8E) generation, model years 2002–2005. Most procedures are shared with the other years of this generation, but engines, equipment and wiring changed from year to year. The engine line-up is the same as in 2002; what differs is equipment and electrical detail, which is why the wiring diagrams are matched to your VIN.

Engines offered for the 2003 Audi A4

• 1.9/2.0 TDI: AVB, AVF, AWX, BKE, BPW, BRC, BRB
• 2.0 TDI: BVA, BRD, BLB, BNA, BRE, BRF, BVF, BVG
• 2.0 petrol: BWT, BYK, BPG, BPJ, BGB, BUL, BWE
• 2.0 petrol: AWA
• 4-cylinder (2-valve): ALZ
• 2.0 petrol: ALT
• 4-cylinder (5-valve turbo): BKB, AMB, AVJ, BFB, BEX
• 2.7/3.0 TDI: ASB, BKN, BPP, BSG
• 6-cylinder diesel direct injection (TDI): BAU, BDG, BDH, AKE, AYM, BCZ, BFC
• 3.2 petrol: BKH, AUK
• 3.0 petrol: ASN, AVK, BBJ, BGN
• 6-cylinder: AMM, BDV
• 4.2 petrol: BNS
• 4.2 petrol: BHF, BBK

You find your engine code on the vehicle data sticker in the spare wheel well and in the service book.

Gearboxes offered

• 5-speed manual: 012, 01W, 0A9, front-wheel drive
• 5-speed manual: 01A, four-wheel drive
• 6-speed manual: 01E, four-wheel drive
• 6-speed manual: 01E/0A1, front-wheel drive
• 6-speed manual: 01X, front-wheel drive
• 6-speed manual: 02X, four-wheel drive
• 6-speed manual: 0A2, front-wheel drive
• 6-speed manual: 0A3, four-wheel drive
• Automatic: 01V, front-wheel drive and four-wheel drive
• Automatic: 09L, four-wheel drive

The 1.8 20-valve turbo engines of this era need regular timing belt and water pump service, and ignition coils and oil sludge in the turbo feed line are common faults. On the 2.5 TDI V6 of this era, camshaft and cam follower wear and the injection pump are the jobs people look up most.

On a 2003 car the 10th character of the VIN is “3”, a quick way to confirm the model year before you order.

Made to order. Each manual is built for one VIN, not copied from a stock file, which is why delivery takes 12–24 hours instead of seconds. It comes directly from Audi's service information, so it is more complete than aftermarket manuals.

Once it arrives it is yours: a PDF with index, bookmarks, links and search that opens on any device. Keep it for the next job, print the pages you need and take them to the car.

Sections in the 2003 Audi A4 workshop manual

• General Information and Maintenance
• Engine Mechanical, Cooling and Lubrication
• Fuel Supply and Exhaust System
• Heating, Air Conditioning and Auxiliary Heater
• Brake System and ABS
• Steering and Power Steering Control
• Front and Rear Suspension, Self-Leveling Suspension
• Transmission, Transaxle and Transfer Box
• Driveline, Front and Rear Axle
• Body Repair, Exterior, Interior and Paint
• Doors, Locks, Glass and Window Systems
• Seats, Seat Belts and Airbags
• Wheels, Tires and Vehicle Geometry
• Audio, Visual and Navigation
• Electrical: Charging, Starting and Power Systems
• Exterior and Interior Lighting
• Complete Wiring Diagrams and Fitting Locations

Engines offered for the 2003 Audi A4:

4-cylinder TDI unit injector engine (1.9 ltr.; 2.0 ltr. 2-valve), mechanics AVB AVF AWX BKE BPW  BRC BRB
4-cylinder TDI unit injector engine (2.0 ltr. 4-valve), mechanics BVA BRD BLB BNA BRE  BRF BVF BVG
4-cylinder direct petrol injection engine (2.0 ltr. 4-valve turbo), mechanics BWT BYK BPG BPJ BGB  BUL BWE
4-cylinder direct petrol injection engine (2.0 ltr. 4-valve), mechanics AWA 
4-cylinder engine (2-valve), Mechanics ALZ
4-cylinder engine (2.0 ltr. 5-valve), mechanics ALT
4-cylinder engine (5-valve turbo), mechanics BKB AMB AVJ BFB BEX
6-cylinder TDI engine (2.7 ltr.; 3.0 ltr. 4-valve common rail), mechanics ASB BKN BPP BSG
6-cylinder diesel direct injection engine (TDI), mechanics BAU BDG BDH AKE AYM  BCZ BFC
6-cylinder direct petrol injection engine (3.2 ltr. 4-valve), mechanics BKH AUK
6-cylinder engine (3.0 ltr. 5V), mechanics ASN AVK BBJ BGN
6-cylinder engine, mechanics AMM BDV
8-cylinder direct petrol injection engine (4.2 ltr. 4-valve RS 4), mechanics BNS
8-cylinder engine (4.2 ltr. 5-valve with timing chains), mechanics BHF BBK

Transmissions offered for the 2003 Audi A4:

5-speed manual gearbox 012, 01W, 0A9, front-wheel drive
5-speed manual gearbox 01A, four-wheel drive
6-speed manual gearbox 01E, four-wheel drive
6-speed manual gearbox 01E/0A1, front-wheel drive
6-speed manual gearbox 01X, front-wheel drive
6-speed manual gearbox 02X, four-wheel drive
6-speed manual gearbox 0A2, front-wheel drive
6-speed manual gearbox 0A3, four-wheel drive
multitronic 01J, front-wheel drive
multitronic 0AN, front-wheel drive
Automatic gearbox 01V, front-wheel drive and four-wheel drive
Automatic gearbox 09L, four-wheel drive

Your manual is built for the version in your VIN.

Free, direct download link in 12-24 hours.