2012 Audi A4 Quattro Service and Repair Manual

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Covers all 2012 A4 Quattro trims — Base Sedan 4-Door, Sport Sedan 4-Door, Elite Sedan 4-Door +2 more ·
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2012 Audi A4 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.

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

  • Base Sedan 4-Door
  • Sport Sedan 4-Door
  • Elite Sedan 4-Door
  • Avant Wagon 4-Door
  • Luxury Sedan 4-Door

Engines covered

  • 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged
  • 3.2L 3197CC 195Cu. In. V6 GAS DOHC Naturally Aspirated

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
No active recalls The 2012 Audi A4 Quattro has no recalls on file with NHTSA.
TSB #10253292

This bulletin provides information for when there is noise when steering.

TSB #10253261

This bulletin provides information when the remote control key is inoperative.

TSB #10253253

This bulletin provides information for when DTC P0A7D00 is stored.

TSB #10251660

This bulletin provides information if there is noise when steering the vehicle.

TSB #10251657

This bulletin provides information on visual concerns with the headlight lens.

TSB #10250533

This Document informs dealers on the new oil consumption & piston fracture warranty extension for 2012 A4, A5, A6, Q5 & TT / 2013 A4, A5, A6, Q5 & TT / 2014 A4, A5, A6, Q5 & TT / 2016 A3 & TT / 2017 A3 & TT vehicles

TSB #10250322

This bulletin provides information pertaining to MMI Navigation database concerns.

TSB #10250232

This bulletin provides information for when there are noises from the headliner/sunroof area.

Showing the 8 most recent of 950 technical service bulletins on file with NHTSA.

20210402Component: ELECTRICAL SYSTEMFire reported

TL* THE CONTACT OWNED A 2012 AUDIO A4. THE CONTACT STATED WHILE DRIVING AT 25 MPH, SHE SAW SMOKE EMERGING FROM THE FRONT OF THE VEHICLE. UPON EXITING THE VEHICLE, NOTICE FLAMES IN THE HEAD LIGHT COMPA

20260120Component: ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER

Odometer Fraud. The contact purchased a 2012 Audi A4. It was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of the purchase, the mileage was 90,512 and at

20241002Component: ENGINE

There is a recall for the year after this when many Audi owners of this model have the same issue per the Audi forums. We have the coolant leaking issue as well and it should have been included in the

20230711Component: ENGINE

1) Turbo, not because I'm looking to replace it 2) the car could stall when merging into highway or passing on the left lane 3) Yes 4) No 5) Yes, Check Engine Light came on afterward Check engine lig

20230306Component: ENGINE

There have been wide-spread reports & complaints with Audi A4's starting in 2009. Audi settled a class-action lawsuit in 2015 but it only covered vehicles madein 2009-2011. If you look at any Audi own

Showing the 5 most serious of 23 complaints filed with NHTSA.

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