2004 Audi A3 Service and Repair Manual

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Factory-Grade Data

2004 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
  • Ambiente Hatchback 2-Door
  • Attraction Plus Hatchback 2-Door
  • Advance Hatchback 2-Door

Engines covered

  • 2.0L 1984CC 121Cu. In. l4 GAS DOHC Turbocharged
  • 2.0L 1984CC 121Cu. In. l4 GAS DOHC Naturally Aspirated
  • 1.8L 1781CC 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

2004 Audi A3 Recalls & Complaints

No active recalls The 2004 Audi A3 has no recalls on file with NHTSA.
TSB #10243930

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

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 #10228297

This Technical Service Bulletin (TSB) details the general process for carrying out a Software Version Management (SVM) software update for any TSB or Update.

TSB #10228302

High quality media files (video and sound) are now integrated into technical service bulletins on a case-by-case basis. Media files can now be viewed on any smartphone or tablet.

TSB #10226529

Vehicle lacks power or will not move after stop due to simultaneous depressing of the brake and accelerator pedals

TSB #10226502

Rough gear changes both when accelerating and slowing down

TSB #10224976

This Technical Service Bulletin (TSB) details the general process for carrying out a Software Version Management (SVM) software update for any TSB or Update.

TSB #10224977

A DTC with the description ?Invalid Data Record? is stored after an ECU has been replaced or updated.

Showing the 8 most recent of 63 technical service bulletins on file with NHTSA.

20180116Component: FUEL/PROPULSION SYSTEM

READING MY E-MAIL NOTIFICATION FROM NHTSA I FOUND THAT THE RECALL NO. 17V-509 ISSUED TO VWGOA MAY AFFECT AND APPLY TO OUR CAR (AUDI A3 MY 2004 ENGINE 2.0 FSI) SINCE IT HAS THE SAME FAILED PART ON ITS

20040310Component: POWER TRAIN:AUTOMATIC TRANSMISSION

TRANSMISSION FAILURE--LOCKED OUT OF REVERSE.*AK

20040305Component: EXTERIOR LIGHTING:FOG LIGHTS

BLINDING GLARE FROM THE HID HEADLIGHTS, COUPLED WITH USE OF "FOG LIGHTS" WHEN NO FOG PRESENT. I FIND IT HARDER EACH YEAR TO DRIVE AT NIGHT DUE TO THE SITUATION WHICH OFTEN CAUSE YOU TO LOOSE SIGHT OF

20040305Component: EXTERIOR LIGHTING:HEADLIGHTS

BLINDING GLARE FROM THE HID HEADLIGHTS, COUPLED WITH USE OF "FOG LIGHTS" WHEN NO FOG PRESENT. I FIND IT HARDER EACH YEAR TO DRIVE AT NIGHT DUE TO THE SITUATION WHICH OFTEN CAUSE YOU TO LOOSE SIGHT OF

20040203Component: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

WHEN DRIVING AT A MODERATE SPEED VEHICLE ACCELERATED ON ITS OWN. DRIVER HAD TO PUT VEHICLE IN NEUTRAL AND APPLY THE BRAKES IN ORDER TO GET THE VEHICLE TO SLOW DOWN, AND EVENTUALLY TO STOP. *AK

Showing the 5 most serious of 7 complaints filed with NHTSA.

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