2006 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
- L Plus Sedan 4-Door
- Base Sedan 4-Door
- L Sedan 4-Door
- Plus Sedan 4-Door
Engines covered
- 4.2L 4172CC V8 GAS DOHC Naturally Aspirated
- 6.0L 5998CC 366Cu. In. W12 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
ON CERTAIN PASSENGER VEHICLES, A WIRING HARNESS CONDITION EXISTS THAT MAY DEACTIVATE THE PASSENGER SIDE FRONTAL AIR BAG EVEN UNDER CIRCUMSTANCES WHEN IT SHOULD REMAIN ACTIVATED.
IF THIS CONDITION OCCURS, BOTH THE AIR BAG WARNING LIGHT IN THE INSTRUMENT CLUSTER AND THE "PASSENGER AIR BAG OFF" TELLTALE IN THE CENTER OF THE INSTRUMENT PANEL WILL PROPERLY ILLUMINATE. CONSEQUENTLY, THE PASSENGER SIDE FRONTAL AIR BAG WOULD NOT DEPLOY IN THE CASE OF A FRONTAL CRASH.
DEALERS WILL MODIFY THE WIRING HARNESS FREE OF CHARGE. THE RECALL BEGAN ON NOVEMBER 30, 2005. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.
ON CERTAIN VEHICLES WHERE A WEAK BATTERY EXISTS, IT IS POSSIBLE THAT A LOW VOLTAGE CONDITION COULD CAUSE THE AIR BAG CONTROL UNIT TO IMPROPERLY SET A FAULT CODE. IF THIS OCCURS, THE PASSENGER SIDE FRONTAL AIR BAG WILL BECOME DEACTIVATED. HOWEVER, BOTH THE AIR BAG WARNING LIGHT IN THE INSTRUMENT CLUSTER AS WELL AS THE 'PASSENGER AIR BAG OFF' TELLTALE IN THE CENTER OF THE INSTRUMENT PANEL WILL ILLUMINATE AND PROVIDE VISUAL WARNING TO THE DRIVER.
IF THE CASE OF A FRONTAL CRASH, THE PASSENGER SIDE FRONT AIR BAG WOULD NOT DEPLOY WHICH COULD CAUSE INJURY TO THE SEAT OCCUPANT.
DEALERS WILL UPDATE THE AIR BAG CONTROL MODULE SOFTWARE. THE RECALL BEGAN ON DECEMBER 5, 2006. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.
This bulletin provides information on the additional reporting requirements for safety related inquiries.
This Technical Service Bulletin (TSB) details the general process for carrying out a Software Version Management (SVM) software update for any TSB or Update.
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.
The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.
Due to fuel intrusion into the low-pressure system fuel pressure sensor (G410), a false signal may be sent to the controller, resulting in a reading that is out of tolerance.
Vehicle lacks power or will not move after stop due to simultaneous depressing of the brake and accelerator pedals
ATF pan leaks
Rough gear changes both when accelerating and slowing down
Showing the 8 most recent of 232 technical service bulletins on file with NHTSA.
The headlight warning light came on. The headlight on left had gone out. Opening the headlight assembly ( a 2,000 to 6000 dollar part) there are about 20 wires inside the assembly, every wire was partially bare, the insulation has cracked off every wire inside the assembly. A small wire harness connects everything inside the light, the harness is not available to fix it. The cost to have a harness for the car available, should not be a issue. We need lights and to replace a headlight is a 20 dollar fix not a 2500 dollar. Fix.
TL* THE CONTACT OWNS A 2006 AUDI A8. THE CONTACT STATED THAT THE FRONT DRIVER SIDE DOOR CLOSING MECHANISM FAILED AND CAUSED THE DOOR TO INADVERTENTLY ATTEMPT TO CLOSE WHILE THE DRIVER WAS EXITING THE VEHICLE. THE CONTACT ALSO INDICATED THAT THE MECHANISM WOULD FAIL WHILE ATTEMPTING TO OPEN THE DOOR, WHICH PREVENTED THE DOOR FROM OPENING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE DOOR CLOSURE MODULE AND DOOR LATCH FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED AND THE FAILURE WAS REMEDIED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN W
MY VEHICLE ENCOUNTERED ELECTRICAL DAMAGE DUE TO WATER IN FOOTWELLS OF THE CAR. THIS OBVIOUSLY IS A COMMON PROBLEM I WAS NOT AWARE OF BEFORE PURCHASING THE VEHICLE. *TR
WHILE ACCELERATING TO GET ON THE PARKWAY MY CAR LOCKED AT 7000 RPM'S AND CONTINUED TO ACCELERATE WITH MY FOOT OFF THE ACCELERATOR. I WAS FORCED TO PUT THE CAR IN NEUTRAL TO AVOID AN ACCIDENT, IF I WERE NOT AN EXPERIENCED DRIVER THIS COULD HAVE CAUSED A FATALITY IN THE CAR WAS AT 80 MPH AND QUICKLY RISING. THE TACHOMETER CONTINUED AT 7000 RPM FOR ROUGHLY 20 SECONDS, ONLY AFTER CONTINUALLY TAPPING THE ACCELERATOR IT FINALLY BEGAN TO DECLINE. PLEASE LOOK INTO THIS LIFE THREATENING SITUATION. ADDITIONALLY MY TIRE PRESSURE LIGHT REMAINS ON EVEN WHEN ALL TIRES ARE AT THE FACTORY RECOMMENDED SETTI
CAR SUDDENLY ACCELERATED WITHOUT WARNING AND PROPELLED US ACROSS AM INTERSECTION INTO TRAFFIC. THIS IS 2ND TIME THIS HAS HAPPENED, THE FIRST TIME IT HAPPENED WAS ON A FREEWAY DEVOID OF OTHER TRAFFIC. I REPORTED THE FIRST EVENT TO THE LOCAL DEALER THAT I PURCHASED THE VEHICLE FROM BUT NEVER RECEIVED ANY FEEDBACK. AFTER RESEARCHING THE ISSUE I WAS ABLE TO DETERMINE THAT THE PROBLEM IS CAUSED BY THE DRIVERS FACTORY FLOOR MAT COMING LOOSE FROM ITS RETAINING CLIPS, SLIDING FORWARD AND CAUSING INTERFERENCE WITH THE ACCELERATOR PEDAL. IT WAS ONLY MY FAMILIARITY WITH THE PROBLEM AND HOW TO FIX IT
TL*THE CONTACT OWNS A 2006 AUDI A8 L. WHILE DRIVING APPROXIMATELY 25 MPH, THE CONTACT APPROACHED ANOTHER VEHICLE AND ATTEMPTED TO APPLY THE BRAKES, BUT THE VEHICLE WOULD NOT STOP. THE HARDER HE DEPRESSED THE BRAKE PEDAL, THE FASTER THE ENGINE WOULD RACE. HE PULLED TO THE SIDE OF THE ROAD AND NOTICED THAT THE FLOORMAT WAS RESTING ON THE GAS AND BRAKE PEDALS. THE CONTACT CALLED AUDI AND FILED A COMPLAINT. APPROXIMATELY FOUR MONTHS LATER, THE FAILURE RECURRED AND THE DEALER WAS NOTIFIED. HE TOOK THE VEHICLE TO THE DEALER APPROXIMATELY SIX TIMES FOR THE ISSUE WITH THE FLOORMAT. THE FAILURE
