2004 Audi S4 Service and Repair Manual

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Factory-Grade Data

2004 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

  • Cabriolet Convertible 2-Door
  • Base Sedan 4-Door
  • Avant Wagon 4-Door

Engines covered

  • 4.2L 4163CC V8 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

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Vehicle Safety Data

2004 Audi S4 Recalls & Complaints

NHTSA #05V09600015/03/2005Component: EXTERIOR LIGHTING:HEADLIGHTS

ON CERTAIN PASSENGER VEHICLES, THERE IS A POSSIBILITY OF XENON HEADLAMP COATING DEGRADATION OVER TIME. THE LUMINOUS TRANSMITTANCE OF THE HEADLAMP MAY DECREASE OVER A PERIOD OF TIME.

Consequence

THIS CONDITION COULD AFFECT A DRIVER'S FIELD OF VIEW, INCREASING THE RISK OF A CRASH.

Remedy

DEALERS WILL REPLACE THE LEFT AND RIGHT XENON HEADLAMP REFLECTORS FREE OF CHARGE. THE RECALL BEGAN

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 #10226530

ATF pan leaks

TSB #10224981

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 #10224993

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

Showing the 8 most recent of 121 technical service bulletins on file with NHTSA.

20150810Component: EXTERIOR LIGHTINGFire reported

TL* THE CONTACT OWNS A 2004 AUDI S4. WHILE DRIVING AT NIGHT, THE LOW BEAM HEAD LAMPS FAILED TO ILLUMINATE WITHOUT WARNING. WHILE ATTEMPTING TO THE HEAD LAMP BULBS, THE CONTACT NOTICED THAT THE WIRING

20150810Component: ELECTRICAL SYSTEMFire reported

TL* THE CONTACT OWNS A 2004 AUDI S4. WHILE DRIVING AT NIGHT, THE LOW BEAM HEAD LAMPS FAILED TO ILLUMINATE WITHOUT WARNING. WHILE ATTEMPTING TO THE HEAD LAMP BULBS, THE CONTACT NOTICED THAT THE WIRING

20180730Component: TIRES

HANKOOK TIRES, VENTUS S1 NOBLE 2 SPLITTING OUTSIDE SIDEWALL, CAUSED TO DEPRESSURE TIRE, WHICH CAUSED TO CRACK TIRE ON THE INNER SIDEWALL SUBSEQUENTLY LED TO MANUFACTURER CLAIM BLAME ON MY VEHICLE. THE

20171024Component: ENGINE

AFTER ENGINE COOLS DOWN, TIMING CHAIN RATTLE CAN BE HEARD UPON STARTING THE CAR. CHAIN RATTLE MEANS THAT PLASTIC GUIDES OR ADJUSTERS ARE WORN, AND MIGHT GO ANY SECOND. SPOKE WITH AUDI REP ONLINE, WHIC

20160517Component: ELECTRICAL SYSTEM

XENON HEADLAMPS WIRING ALL CORRODED AND BARE WITH NO INSULATION LEFT. CHECK WITH AUDI AND THEY SAID OUR VEHICLE AND VIN IS NOT PART OF ANY RECALL. YET RCORRD-05V096-4498 IN YOUR DATABASE SHOWS A MOF

Showing the 5 most serious of 37 complaints filed with NHTSA.

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