2003 Audi A8 Quattro Service and Repair Manual

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Covers all 2003 A8 Quattro trims — Base Sedan 4-Door, L Sedan 4-Door ·
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2003 Audi A8 Quattro 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

  • Base Sedan 4-Door
  • L Sedan 4-Door

Engines covered

  • 4.2L 4172CC 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
NHTSA #08V39700014/08/2008Component: POWER TRAIN:AUTOMATIC TRANSMISSION

VOLKSWAGEN IS RECALLING 13,900 MY 1996-2003 AUDI A8 VEHICLES EQUIPPED WITH A 5-SPEED AUTOMATIC TRANSMISSION. THE LOCKING CABLE MAY MOVE OUT OF POSITION OVER TIME. WITH THE LOCKING CABLE OUT OF POSITION, THE SHIFTER CAN BE MOVED OUT OF THE "PARK" POSITION EVEN IF THE IGNITION KEY IS NOT IN THE IGNITION LOCK.

Consequence

THIS COULD ALLOW THE VEHICLE TO ROLL, CAUSING A CRASH WITHOUT WARNING.

Remedy

DEALERS WILL MODIFY THE AUTOMATIC TRANSMISSION LOCKING CABLE BY INSTALLING AN ADJUSTING PIECE THAT WILL SECURE THE LOCKING CABLE IN PLACE. THE RECALL BEGAN ON SEPTEMBER 12, 2008. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.

TSB #10243930

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

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 #10228314

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

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 105 technical service bulletins on file with NHTSA.

01/23/20Component: SUSPENSION

REAR DRIVERS COIL SPRING FAILED, BROKE IN HALF CAUSING SUSPENSION TO FAIL AND DAMAGE RIM/TIRE. SERIOUS CONDITION IF DRIVING AT HIGHWAY SPEEDS. NO WARNING OF THE FAILURE PRIOR. *TR

10/16/20Component: POWER TRAIN

THE CAR HAS HAD PROBLEMS WITH: CV JOINTS, CONTROL ARMS AND NEEDED A NEW TRANSMISSION. NOW THERE IS A RECALL ON THE TRANSMISSION CABLE. *TR

12/21/20Component: POWER TRAIN

A HARD TURN AND QUICK ACCELERATION TO AVOID AN ACCIDENT LEAD TO POWER FAILURE TO THE WHEELS, AND THE CHECK ENGINE LIGHT CAME ON. I BROUGHT THE CAR TO THE DEALERSHIP AND THE CODE READ "SLIPPING TORQUE CONVERTER" THE CAR HAD ONLY 79,000 MILES AT THE TIME OF THIS OCCURRENCE. THANKFULLY NO ONE WAS INJURED. AUDI REPAIR FACILITY TOLD ME THE TORQUE CONVERTER NEEDS TO BE REPLACED, THE COST WOULD BE $900.00 FOR THE PART AND $2,000.00 FOR LABOR. THE REPAIRS HAVE YET TO BE MADE DUE TO THE EXTENSIVE PRICE FOR A FAULTY PART AND LABOR. THE PART IS NOT COVERED UNDER WARRANTY. *TR

10/12/20Component: STEERING

MY 2003 AUDI ALL ROAD HAS A CONTINUAL PULL TO THE RIGHT. IT WILL NOT DRIVE STRAIGHT FOR MORE THAN 5-8 SECONDS AT A TIME, ON MOST ROAD SURFACES. I HAVE TAKEN THE CAR IN FOR REPAIRS FOUR TIMES IN 3400 MILES. EACH TIME THE CAR WAS OUT OF ALIGNMENT AND HAD TO BE ADJUSTED. THE SERVICE MANAGER SUGGESTS THAT THE CAR IS PERFORMING TO FACTORY SPECIFICATIONS, BUT IT STILL HAS A PULL TO THE RIGHT. *LA

10/02/20Component: TIRES

THE SIDEWALL RUPTURED ON A GOODYEAR WRANGLER F1, 225/55R17 TIRE. *JB

08/07/20Component: ENGINE AND ENGINE COOLING

WHILE DRIVING, THE VEHICLE EXPERIENCED AN EXPLOSION AND CHECK ENGINE LIGHT ILLUMINATED AND THERE WERE LOUD NOISES COMING FROM UNDER THE VEHICLE AND PARTS OF THE VEHICLE WERE ON THE GROUND. THE CAR THEN WAS TOWED TO THE DEALERSHIP, AND THEY CLAIMED THE VEHICLE WAS INVOLVED IN SOME TYPE OF IMPACT WHICH CAUSED THE EXPLOSION TO OCCUR, AND AUDI WAS NOT RESPONSIBLE FOR DAMAGES. THE DEALERSHIP FAILED TO FIND THE PROPER REASON FOR EXPLOSION. THE CONSUMER HAD TO PURCHASE A RENTAL CAR AT HER OWN EXPENSE TO HAVE A VEHICLE. *MR *CB *JB

06/17/20Component: EXTERIOR LIGHTING

THE BLINDING BRIGHT HEADLIGHTS ON SOME NEW CARS ARE DANGEROUS. I FLASH MY BRIGHTS AT THEM THINKING THAT IS THE PROBLEM. IF CAR MANUFACTURERS CONTINUE TO PUT THEM ON NEW CARS, WILL THEY BE LIABLE FOR ACCIDENTS CAUSED BY THE BLINDING LIGHT? *JB

06/16/20Component: EXTERIOR LIGHTING

PLEASE ADD MY NAME TO THE LIST OF DRIVERS THAT ARE ADAMANTLY OPPOSED TO THE NEW BLUE/PURPLE HEADLIGHTS MANY OF THE NEW LUXURY CARS ARE FEATURING. THE LIGHT IS PIERCING AND A DANGER TO NIGHT TIME TRAFFIC. THESE NEW LIGHTS ARE EVEN DISTRACTING DURING DAYLIGHT. I BELIEVE THAT CARS EQUIPPED WITH THESE BLUE/PURPLE HEADLIGHTS SHOULD BE RECALLED AND THE HEADLIGHTS REPLACED. THEY ARE A DEFINITE HAZARD TO OTHER VEHICLES. *NLM

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