2003 Audi A6 Quattro Service & Repair Manual

← 2002All A6 Quattro years2004 →

The service and repair manual for the 2003 Audi A6 Quattro — 3.0L V6 and 2.7L V6 and 4.2L V8 and 3.0L V6 engines, 3 trims. Matched to this exact model year, so the specifications and sequences are the ones Audi published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year2003
Engines
3.0L V6 — 180 cu in, DOHC
2.7L V6 — 163 cu in, DOHC, turbocharged
4.2L V8 — 255 cu in, DOHC
3.0L V6 — 182 cu in, DOHC
TrimsS Line Sedan 4-Door · Base Sedan 4-Door · Avant Wagon 4-Door
Other 2003 A6 Quattro variantsA6 →
Federal record2 recalls · 85 complaints · 115 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 2003 A6 Quattro manual

2003 Audi A6 Quattro service manual page 12003 Audi A6 Quattro service manual page 22003 Audi A6 Quattro service manual page 32003 Audi A6 Quattro service manual page 42003 Audi A6 Quattro service manual page 52003 Audi A6 Quattro service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 104
  • General Information 1,588
  • Accessories & Equipment 4,962
  • Heating, Ventilation & A/C (HVAC) 334
  • Body & Frame 1,298
  • Maintenance 157
  • Brakes 373
  • Restraints 93
  • Drivelines & Axles 17
  • Steering 297
  • Electrical 429
  • Suspension 612
  • Engine Mechanical 1,183
  • Transmission 201
  • Engine Performance 2,812
  • Brake Line (Front Wheels) 11
  • Master Cylinder-To-Booster (Self-Locking 36
  • Booster-To-Firewall Nut (Torx Bolt) 18
  • Wheel Lug Bolts 90
  • Carrier-To-Wheel Bearing Housing Bolts 140

04 / Known issuesRecalls on federal record for the 2003 A6 Quattro

  1. Fuel System, Gasoline — delivery › fuel pump · 06V017000
    If fuel flow to the engine is interrupted, the vehicle could stall without warning and thus present.
  2. Electrical System · 04V133000
    A fire could originate in the left dashboard area.

Owners have filed 85 complaints and Audi has issued 115 technical service bulletins for the 2003 A6 Quattro. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 2003 A6 Quattro manual

Is this manual specific to the 2003 A6 Quattro?

Yes. It is the OEM manual matched to the 2003 model year, covering the 3.0L V6 and 2.7L V6 and 4.2L V8 and 3.0L V6 across the S Line Sedan 4-Door, Base Sedan 4-Door, Avant Wagon 4-Door trims. Specifications and procedure sequences are the ones Audi published for this year.

What 2003 A6 Quattro problems does it help with?

2 recalls are on federal record for the 2003 A6 Quattro, covering fuel system, gasoline, electrical system. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Audi dealers.

Does it include 2003 A6 Quattro wiring diagrams?

Yes — the complete wiring diagrams for the 2003 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $40.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

RelatedOther A6 Quattro years and 2003 Audi models

2009 A6 Quattro · 2008 A6 Quattro · 2007 A6 Quattro · 2006 A6 Quattro · 2005 A6 Quattro · 2004 A6 Quattro · 2002 A6 Quattro · 2001 A6 Quattro · 2000 A6 Quattro · 1999 A6 Quattro · 1998 A6 Quattro · 1997 A6 Quattro · all 30 years

2003 Audi A3 · 2003 Audi A4 · 2003 Audi A4 Quattro · 2003 Audi A6 · 2003 Audi A8 · 2003 Audi A8 Quattro · 2003 Audi Allroad Quattro · 2003 Audi RS4 · 2003 Audi RS6 · 2003 Audi S3 · 2003 Audi S4 · 2003 Audi S6 · every 2003 model