2020 Audi A3 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.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What's included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Select Sedan 4-Door
- Premium Sedan 4-Door
- S Line Sedan 4-Door
- Progressiv Sedan 4-Door
- Premium Plus Sedan 4-Door
- Select Convertible 2-Door
- Dynamic Sedan 4-Door
- S Line Convertible 2-Door
- Technik Sedan 4-Door
- Komfort Sedan 4-Door
Engines covered
- 1.4L 1395CC 85Cu. In. l4 GAS 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 2015-2020 Audi S3 Sedan, A3 Sedan, 2016-2018 A3 Etron, 2017-2020 RS3 Sedan, and 2015-2019 A3 Cabriolet vehicles. The passenger occupant d
A deactivated passenger air bag increases the risk of injury during a crash.
Dealers will replace the PODS sensor mat and update the PODS control module, free of charge. Owners
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain front-wheel drive 2015-2020 Audi A3 Sedan, 2015-2019 Audi A3 Cabriolet, 2019-2020 Volkswagen Jetta GLI, 2018 Golf Sportwagen GP, 201
A fuel leak in the presence of an ignition source increases the risk of a fire.
Dealers will replace the suction pump, free of charge. Final owner notification letters for Audi ow
This bulletin provides informaiotn when the starter battery is discharged or defective.
This TSB provides information when the gearbox warning light is on; event memory entry P0174A00/P174E00.
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 informaiton when the windscreen/rear window washer pump is not working (B126101, B126113).
This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: The ODIS Audi Brand update 2.41.1 is setting a ODS5003E
This bulletin is informational and contains information on the various warning lamps that may appear.
This bulletin provides informaiotn when the starter battery is discharged or defective.
This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool
Showing the 8 most recent of 627 technical service bulletins on file with NHTSA.
The contact owns a 2020 Audi A3. The contact stated that while driving at various speeds, the vehicle would independently come to a complete stop as the brake, air bag, and seat belt warning lights wo
The contact owns a 2020 Audi A3. The contact stated that while driving at various speeds, the vehicle would independently come to a complete stop as the brake, air bag, and seat belt warning lights wo
Tire Brand: Continental Tire Line / Model: ProContact TX Tire Size: 225/40R18 What Happened: This is the second tire failure Iâve experienced on Continental ProContact TX tires (OEM on my 2020 Aud
Car has 50,000 miles and vehicle has a bulletin on the vehicle from Audi, where the vehicle goes into limp mode and only shift through certain gears, rendering the vehicle, unable to drive and creatin
The contact owns a 2020 Audi A3. The contact stated that while operating the vehicle, the transmission malfunction warning light was displayed, and the vehicle failed to shift into reverse. The vehicl
Showing the 5 most serious of 18 complaints filed with NHTSA.
