2012 Audi A3 Service and Repair Manual

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Factory-Grade Data

2012 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

  • Attraction Hatchback 2-Door
  • TDI Hatchback 4-Door
  • Ambiente Hatchback 4-Door
  • Base Hatchback 4-Door
  • Ambiente Hatchback 2-Door
  • Attraction Hatchback 4-Door
  • Cabrio Convertible 2-Door

Engines covered

  • 1.8L 1798CC 110Cu. In. l4 GAS DOHC Turbocharged
  • 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged
  • 2.0L 1968CC 120Cu. In. l4 DIESEL DOHC Turbocharged
  • 1.4L 1390CC 85Cu. 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

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Vehicle Safety Data

2012 Audi A3 Recalls & Complaints

NHTSA #16V07900010/02/2016Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2006 Volkswagen Passat sedans and wagons, 2005-2013 Audi A3, and 2006-2009 Audi A4 Cabriolet vehicles. Upon deployment o

Consequence

In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could

Remedy

Volkswagen will notify owners, and dealers will replace the driver's frontal air bag inflators, free

NHTSA #19V86200004/12/2019Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2012-2015 Passat, 2011-2014 Golf A6, and 2011-2013 Audi A3 diesel vehicles, thought to have been previously repaired under one of th

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

Volkswagen will notify owners, and dealers will replace the driver's side air bag inflators, free of

NHTSA #11V49000003/10/2011Component: FUEL SYSTEM, DIESEL

VOLKSWAGEN IS RECALLING CERTAIN MODEL 2009-2012 JETTA AND JETTA SPORTWAGEN VEHICLES, MANUFACTURED FROM MAY 2008 THROUGH SEPTEMBER 2011, MODEL YEAR 2010-2012 VOLKSWAGEN GOLF VEHICLES, MANUFACTURED FROM

Consequence

DUE TO THE RESONANCE CONDITION, INJECTOR LINE NUMBER 2 COULD DEVELOP SMALL CRACKS WHICH COULD LEAD T

Remedy

VOLKSWAGEN WILL INSTALL AN IMPROVED FUEL INJECTOR LINE FOR THE NUMBER 2 CYLINDER ON CERTAIN VEHICLES

TSB #11032137

This bulletin provides information about professional noise analysis with the VAS 611 015 PICO-NVH tool

TSB #11032131

This bulletin provides diagnostic information for the vehicle locking system.

TSB #11031064

This Reporting obligation requests that technicians contact the Technical Assistance Center (TAC) when the diagnostic tester refers to this reportin gobligation or to TPI 2033392.

TSB #11031051

This bulletin provides informaiotn about various infortainment system complaints.

TSB #11030985

This bulletin provides information when the parking assistance gives false warnings.

TSB #11030984

This bulletin provides information when the parking assistance gives false warnings.

TSB #11030983

This bulletin provides informaiotn regarding squeaking noises when steering or maneuvering.

TSB #11030980

The National Highway Traffic Safety Administration (NHTSA) has issued an urgent warning regarding counterfeit replacement airbag inflators that are being installed in used vehicles.

Showing the 8 most recent of 864 technical service bulletins on file with NHTSA.

20181208Component: AIR BAGSCrash reported

I HAVE HAD A RECALL ON MY VEHICLE AND HAVE BEEN TRYING TO GET IT REPLACED AT AUDI SINCE 2016, I HAVE SENT EMAILS TO THE GENERAL MANAGER AND THEY KEPT SAYING "THEY DO NOT HAVE THE AIRBAGS IN STOCK". I

20151113Component: ELECTRICAL SYSTEMFire reported

WHILE DRIVING MY LIGHTS WOULD RANDOMLY GO OUT BOTH DURING DAY AND NIGHT. DASH WARNING WOULD BE BULB OUT NEEDING REPLACING BUT NOTHING WAS EVER WRONG WITH THE BULBS OR TURN SIGNALS. ISSUE WAS INTERMITT

20151113Component: EXTERIOR LIGHTINGFire reported

WHILE DRIVING MY LIGHTS WOULD RANDOMLY GO OUT BOTH DURING DAY AND NIGHT. DASH WARNING WOULD BE BULB OUT NEEDING REPLACING BUT NOTHING WAS EVER WRONG WITH THE BULBS OR TURN SIGNALS. ISSUE WAS INTERMITT

20150210Component: EXTERIOR LIGHTINGFire reported

THE F16 FUSE WHICH IS RECALLED ON THE VW SIDE MELTED, CAUSING THE SMELL OF BURNT PLASTIC AND EXTERIOR LIGHTS GOING OUT WHILE DRIVING ON THE INTERSTATE AT NIGHT. THE DEALER ON TOP IF THIS REFUSES TO AC

20150210Component: ELECTRICAL SYSTEMFire reported

THE F16 FUSE WHICH IS RECALLED ON THE VW SIDE MELTED, CAUSING THE SMELL OF BURNT PLASTIC AND EXTERIOR LIGHTS GOING OUT WHILE DRIVING ON THE INTERSTATE AT NIGHT. THE DEALER ON TOP IF THIS REFUSES TO AC

Showing the 5 most serious of 48 complaints filed with NHTSA.

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