2014 Audi S4 Service and Repair Manual

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Factory-Grade Data

2014 Audi S4 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

  • Prestige Sedan 4-Door
  • Base Sedan 4-Door
  • Premium Plus Sedan 4-Door

Engines covered

  • 3.0L 2995CC V6 GAS DOHC Supercharged
  • 3.0L 2995CC 183Cu. In. V6 GAS DOHC Supercharged

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

2014 Audi S4 Recalls & Complaints

NHTSA #14V66700024/10/2014Component: AIR BAGS

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2013-2015 Audi A4 and S4 vehicles manufactured February 16, 2012, to October 21, 2014, and 2013-2015 Audi Allroad vehicle

Consequence

If the front air bags do not deploy in the event of a secondary impact to the front of the vehicle,

Remedy

Volkswagen will notify owners, and Audi dealers will update the air bag control unit software, free

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 704 technical service bulletins on file with NHTSA.

20240416Component: STEERING

The contact owns a 2014 Audi S4. The contact stated that while driving at 70 MPH, he observed multiple unknown warning lights illuminated. The EPC warning light was also illuminated. The contact state

20210305Component: ELECTRICAL SYSTEM

MY 2014 AUDI S4 HAS A EPC LIGHT THAT KEEPS TURNING ON WHILE DRIVING THAT CAR. THE EPC LIGHT WILL PUT THE CAR INTO LIMP MODE AND WILL HAVE A ROUGH IDLE AND CAN BARLEY DRIVE. WHEN THAT LIGHT TURNS ON YO

20210305Component: ENGINE

MY 2014 AUDI S4 HAS A EPC LIGHT THAT KEEPS TURNING ON WHILE DRIVING THAT CAR. THE EPC LIGHT WILL PUT THE CAR INTO LIMP MODE AND WILL HAVE A ROUGH IDLE AND CAN BARLEY DRIVE. WHEN THAT LIGHT TURNS ON YO

20210305Component: POWER TRAIN

MY 2014 AUDI S4 HAS A EPC LIGHT THAT KEEPS TURNING ON WHILE DRIVING THAT CAR. THE EPC LIGHT WILL PUT THE CAR INTO LIMP MODE AND WILL HAVE A ROUGH IDLE AND CAN BARLEY DRIVE. WHEN THAT LIGHT TURNS ON YO

20201126Component: STEERING

THE VEHICLE EXHIBITS "NOTCHY" STEERING AT HIGHWAY SPEEDS, PARTICULARLY IN COLD WEATHER. AT OR ABOVE APPROXIMATELY 55 MPH, THE STEERING WHEEL TRIES TO "BOUNCE" LEFT AND RIGHT RATHER THAN MAINTAINING CE

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

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