2011 Audi A4 Service and Repair Manual

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Factory-Grade Data

2011 Audi A4 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

  • Trendy Sedan 4-Door
  • Trendy Plus Sedan 4-Door
  • Base Sedan 4-Door
  • Sport Sedan 4-Door
  • Luxury Sedan 4-Door

Engines covered

  • 1.8L 1798CC 110Cu. 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

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Vehicle Safety Data

2011 Audi A4 Recalls & Complaints

No active recalls The 2011 Audi A4 has no recalls on file with NHTSA.
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 524 technical service bulletins on file with NHTSA.

20240714Component: ENGINE

Engine oil consumption, timing chain. This is a massive problem among Audi vehicles across the board. Engine oil consumption is abnormal and if unnoticed leads to engine dying in the middle of the ro

20240424Component: ENGINE

So there have already been recalls on some audis for oil consumption. I have a 2011 Audi A4 quattro and it goes through oil like crazy. It's ridiculous I believe it's because of faulty piston rings wh

20231019Component: SEAT BELTS

As of yesterday 10/18/2023, the drivers seat belt would not connect, I forced it to connect, but the dash light indicator remains on. also, difficult to release. I'm concerned that in an accident the

20230622Component: ELECTRICAL SYSTEM

Vehicle has horrible oil consumption due to piston rings being defective upon manufacture. Vehicle will have slew of problems, including stopping in the middle of the street, risking the lives of ever

20230622Component: ENGINE

Vehicle has horrible oil consumption due to piston rings being defective upon manufacture. Vehicle will have slew of problems, including stopping in the middle of the street, risking the lives of ever

Showing the 5 most serious of 17 complaints filed with NHTSA.

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