2006 Audi A4 Service and Repair Manual

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Factory-Grade Data

2006 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

  • Cabriolet Convertible 2-Door
  • Trendy Sedan 4-Door
  • S Line Sedan 4-Door
  • S Line Sport Sedan 4-Door
  • Base Sedan 4-Door
  • Limited Edition Sedan 4-Door
  • Elite Sedan 4-Door
  • Vangard Sedan 4-Door
  • Cabrio Convertible 2-Door
  • Luxury Sedan 4-Door

Engines covered

  • 1.8L 1781CC l4 GAS DOHC Turbocharged
  • 3.2L 3123CC V6 GAS DOHC Naturally Aspirated
  • 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

2006 Audi A4 Recalls & Complaints

NHTSA #17V03200011/01/2017Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2009 Audi A4 Cabriolet, S4 Cabriolet, A6 Avant, A6 Sedan and S6 Sedan vehicles originally sold, or ever registered, in Arizona, Arka

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou

Remedy

Audi will notify owners, and dealers will replace the passenger frontal air bag inflator, free of ch

NHTSA #16V38200001/06/2016Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2004-2008 Audi A4, and 2005-2011 Audi A6 vehicles originally sold, or ever registered, in Alabama, California, Florida, G

Consequence

An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou

Remedy

Audi will notify owners, and dealers will replace the passenger frontal air bag inflator, free of ch

TSB #10243930

This bulletin provides information on the additional reporting requirements for safety related inquiries.

TSB #10235531

Inside the Rings | Volume 12, Spring 2023

TSB #10233612

In conjunction with the New Mexico DMV, Audi will be sending Takata airbag recall reminder notices to approximately 389 Audi owners in the State of New Mexico on March 13, 2023.

TSB #10233620

In conjunction with the Massachusetts DMV, Audi will be sending Takata airbag recall reminder notices to approximately 2,907 Audi owners in the State of Massachusetts on March 13, 2023.

TSB #10232111

In conjunction with the Colorado DMV, Audi will be sending Takata airbag recall reminder notices to approximately 2,174 Audi owners in the State of Colorado on February 13, 2023.

TSB #10232062

Takata recall and 3G turndown

TSB #10228314

The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.

TSB #10228353

Contact resistance in the ECM wiring ? throttle valve.

Showing the 8 most recent of 356 technical service bulletins on file with NHTSA.

20200814Component: AIR BAGSCrash reported1 injured

MY PERSONAL AUDI A4 WAS INVOLVED IN A FRONT END COLLISION ON AN INNER-CITY ROAD DUE TO LOSS OF FRICTION ON FROZEN ICE. DESPITE THERE ONLY BEING A DRIVER PRESENT IN THE CAR, THE DRIVER SIDE AIRBAG FROM

20181106Component: AIR BAGSCrash reported1 injured

ON 7/15/18 I HAD A MYSTERIOUS ACCIDENT IN OTTAWA COUNTY, MICHIGAN, WHERE I WAS KNOCKED OUT FOR SEVERAL HOURS AND I HAVE NO RECOLLECTION OFF ANYTHING AT LEAST A FEW MINUTES BEFORE THE ACCIDENT. MY 2006

20171227Component: EXTERIOR LIGHTINGCrash reported1 injured

THE LEFT HEADLIGHT FLICKERS AND TURNS OFF. CHANGING THE BULB DID NOT FIX THE PROBLEM AND NEITHER DID CHANGING THE BALLAST. I FOUND THAT THERE WAS A SETTLED CLASS ACTION LAWSUIT HOWEVER THEY SAID THAT

20161206Component: AIR BAGSCrash reported1 injured

TAKATA RECALL I RECEIVED A RECALL NOTICE IN JULY 2016 AND AM TOLD THE REPAIR IS STILL NOT AVAILABLE. I HAVE NOT DRIVEN THE VEHICLE SINCE THEN WHICH HAS RESULTED IN MUCH DIFFICULTY AND EXPENSE. I HAV

20151122Component: AIR BAGSCrash reported1 injured

GLANCING SIDE IMPACT HEAD ON COLLISION - VEHICLE ROLLED 270 DEGREES - RIGHT, UPSIDE DOWN, THEN ENDED ON LEFT SIDE. NONE OF THE AIRBAGS DEPLOYED. IMPACT SPEED WAS MORE THAN SUFFICIENT TO ROLL VEHICLE

Showing the 5 most serious of 343 complaints filed with NHTSA.

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