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2021 Audi A6 Quattro Service and Repair Manual
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$49.99 USD
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Covers all 2021 A6 Quattro trims — Prestige Sedan 4-Door, Premium Sedan 4-Door, S Line Sedan 4-Door +4 more ·
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2021 Audi A6 Quattro Service and Repair Manual
Regular price
$49.99 USD
Unit price
2021 Audi A6 Quattro service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Prestige Sedan 4-Door
- Premium Sedan 4-Door
- S Line Sedan 4-Door
- Progressiv Sedan 4-Door
- Premium Plus Sedan 4-Door
- Elite Sedan 4-Door
- Technik Sedan 4-Door
Engines covered
- 3.0L 2995CC V6 MILD HYBRID EV-GAS (MHEV) DOHC Turbocharged
- 2.0L 1984CC 121Cu. In. l4 MILD HYBRID EV-GAS (MHEV) DOHC Turbocharged
- 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Q7, Q8, Q5 Sportback, SQ5 Sportback, RS6 Avant, RS7, RS Q8, 2020-2021 Audi S6 sedan, Q5, A8, S8, A7, A6 Allroad, A5 Cabriolet, A4 sed
Consequence
A broken lock nut may misalign the rear axle, causing a loss of control and increasing the risk of a
Remedy
Dealers will replace the lock nuts and, if necessary, the associated bolts, free of charge. Owner n
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A5 Sportback, RS5 Coupe, RS5 Sportback, S5 Sportback, 2020-2021 A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A6 Allroad, A
Consequence
Rear axle misalignment may cause premature or uneven tire wear, increasing the risk of a crash.
Remedy
Dealers will inspect the rear axle, adjust the alignment as necessary, and replace any prematurely o
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi S7, S6 Sedan, RS7, RS6 Avant, A6 Allroad, 2019-2021 A7, and A6 Sedan vehicles. An incorrectly labeled brake fluid cap may have
Consequence
Incorrect brake fluid can reduce braking ability and increase the risk of a crash.
Remedy
Dealers will inspect the brake fluid reservoir cap and, if necessary, replace it, free of charge. O
Volkswagen Group of America, Inc. (Audi) is recalling certain 2020-2022 Audi S7, S6 Sedan, A6 Allroad, 2021-2022 RS7, RS6 Avant, 2019-2022 A7, and A6 Sedan vehicles. Liquid spilled in the rear seat m
Consequence
A gateway control module shutdown will suddenly reduce engine power, increasing the risk of a crash.
Remedy
Dealers will install a protective cover, free of charge. Owner notification letters are expected to
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2026 vehicles. Please see the recall report for a complete list of models. A software error may prevent the rearview camera image fro
Consequence
A rearview image that does not display reduces the driver's view behind the vehicle, increasing the
Remedy
Dealers will update the software, free of charge. Owner notification letters were mailed January 14,
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021-2022 RS6 Avant and RS7, 2020-2022 A6 Allroad, S6 Sedan, and S7, and 2019-2022 A6 Sedan and A7 vehicles. The fuel level sender may st
Consequence
An inaccurate fuel reading may cause an engine stall due to lack of fuel, increasing the risk of a c
Remedy
Dealers will install a new sensor in the tank, free of charge. Owner notification letters were mail
Volkswagen Group of America, Inc. (Audi) is recalling certain 2021 Audi RS6 Avant, RS7, 2020-2021 A6 Allroad, S6 Sedan, S7, 2019-2021 A6 Sedan, and A7 vehicles. The score line on the passenger air ba
Consequence
An incorrectly manufactured air bag may not deploy properly, and could also eject plastic debris int
Remedy
Audi will notify owners, and dealers will inspect the passenger air bag score line, and repair it as
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Audi A8, RS7, RS6 Avant, RS5 Sportback, RS5 Coupe, Q8, Q7, Q5 Sportback, S4 Sedan, Q5, A7, A6, A6 Allroad, A5 Sportback, A5 Cou
Consequence
A blank rearview camera display can reduce the driver's rear visibility, increasing the risk of a cr
Remedy
Dealers will update the infotainment unit software, free of charge. Owner notification letters were
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2021 Volkswagen ID4, Audi A4 Allroad, A4 Sedan, A5 Cabriolet, A5 Coupe, A5 Sportback, A6 Allroad, A6 Sedan, A7, A8, E-Tron Quattro,
Consequence
An unsecured child restraint system can increase the risk of injury during a crash.
Remedy
Dealers will inspect, and replace as necessary, the middle-rear seat belt assemblies, free of charge
This bulletin provides informaiotn when the starter battery is discharged or defective.
This bulletin provides information when the convenience openeing does not work.
This bulletin provides repair instructions for the overhead view camera; gen 3.
The high-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content (energy density) being reduced. This reduction in the energy content, which is due to factors. Revised header. Adde
This bulletin provides information when there are noises after selecting a ear while idling and the vehicle is stationary, or while driving.
This bulletin provides information when there is noise from the backrest of the front seat.
This bulletin provides informaiton when the windscreen/rear window washer pump is not working (B126101, B126113).
This bulletin provides informatin when there is binding or vibrations in tight turns with quattro Ultra.
Showing the 8 most recent of 1263 technical service bulletins on file with NHTSA.
My 2021 Audi A6 produces a strong mold and mildew odor from the HVAC/air conditioning system. The smell occurs consistently after the air conditioning is turned off and persists when entering the vehi
The contact owns a 2021 Audi A6. The contact stated while driving at an undisclosed speed, the vehicle overheated. The engine overheating and the low coolant warning light illuminated. In addition, th
Thermostat housing and oil cooler bracket leaking coolant with only 56k miles on the car
I was driving my vehicle when the engine surged and then a transmission warning light came on and there was an immediate and complete loss of drive power. After the vehicle glided to a stop, there wa
My alternator was not working and it was a recall and I paid to fix it and they donât wanna pay me back. I got a new part from audi and fix it at the shop and they donât wanna pay anything just ca
Showing the 5 most serious of 21 complaints filed with NHTSA.
Other Years of the Audi A6 Quattro
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