1998-2004 Audi A6 / S6 / allroad quattro / RS6 Service Manual

Audi A6, S6, allroad quattro, and RS6 models (1998-2004): This comprehensive manual offers detailed procedures and specifications for maintenance and repair, ensuring your Audi remains in optimal condition.

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Document Details

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Document Number / Seller:
29006 / Charles Martin
File Size:
741.13 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Car
Last updated / verified
Oct 14, 2025

Models Covered & Key Technical Specifications

Audi A6, A6 Avant, allroad quattro and RS6 (1998-2004) - Comprehensive Service & Repair Manual Official Audi A6, A6 Avant, allroad quattro and RS6 (1998-2004) - Comprehensive Service & Repair Manual | Reference Data

  • Engine Specifications: 2.7L V6 Turbocharged Engine, 200 hp at 5800 rpm, 258 lb-ft torque at 1800-4500 rpm.
  • Braking System: Features ABS (Antilock Braking), EDL (Electronic Differential Lock), EBD (Electronic Brake Pressure Distribution), and ASR (Antislip Regulation).
  • Suspension Type: Four-link front suspension represents a breakthrough in handling and performance.
  • Safety Features: Includes Driver and passenger airbags, side impact airbags for front, and three-point automatic seat belts.
  • Fuel Tank Capacity: Approximately 18.5 US gallons (70 liters) for V6 models.
  • Transmission Options: Available with 5-speed manual, 5-speed automatic Tiptronic, and Multitronic® CVT transmissions.

Professional Workshop Service Manual & Technical Specifications

Official Audi A6, A6 Avant, allroad quattro and RS6 (1998-2004) - Comprehensive Service & Repair Manual Calibration-Manual

Repair-Classification: Service Manual // Engineering-Metrics: Technical Data / System Logic // Repair-Classification: Maintenance Schedule

Service-Nexus Value Architecture
Engine Type V6 Biturbo 30-Valve
Horsepower 258 hp @ 5800 rpm
Torque 258 lb-ft @ 1800-4500 rpm
Fuel Tank 18.5 gal Front-Wheel Drive
Brakes ABS / EBD / ASR Standard Equipment
Transmission 5-Speed Auto Tiptronic

Repair procedures are structured around the following systems:

Engine Management Systems

This section covers the Bosch Motronic M5.9.2 and ME 7.1 engine management systems, detailing sensors, actuators, and troubleshooting for optimal engine performance.

Fuel Storage and Supply

Information on fuel tank capacity, fuel pump and level sender components, fuel delivery tests, fuel pressure, and residual pressure is provided to ensure proper fuel system operation.

Engine Lubrication System

Details on engine oil specifications, capacities, oil pressure, and lubrication system components for V6 and V8 engines are covered.

Exhaust System

Procedures for exhaust manifold, catalytic converter, and oxygen sensor replacement are included, along with secondary air injection system descriptions.

Cooling System Service

Guidance on draining, filling, and bleeding the cooling system, along with radiator, coolant pump, and thermostat removal and installation procedures.

This manual documents torque specifications for critical components to ensure proper dynamic load distribution.

FAQ

Specify the **applicable** lubrication requirements for the Audi A6? keyboard_arrow_down

SAE 0W30, SAE 5W30, or SAE 5W40 viscosity grades are recommended, meeting American Petroleum Institute SJ or European industry standard ACEA A2/A3 specifications.

What is the **exact** engine oil capacity for the 2.7L V6 (APB) engine? keyboard_arrow_down

6.5 liters (6.9 US quarts) is the approximate oil capacity, including the oil filter, for the 2.7L V6 (APB) engine.

Calculate the **specific** engine coolant capacity for the 4.2L V8 (ART, AWN, BBD) models. keyboard_arrow_down

9.0 liters (9.5 US quarts) is the specified engine coolant capacity for the 4.2L V8 models (ART, AWN, BBD).

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Reviews (3)

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Rated 5 out of 5 stars
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This manual made my DIY repairs so much easier. The diagrams are clear and the instructions are straightforward. Highly recommend!
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The download process was seamless, and I received the link in my email within minutes. This manual covers everything I need for my 2000 A6. Very helpful!