1998 Audi A6 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.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Base Sedan 4-Door
- Avant Wagon 4-Door
Engines covered
- 2.8L 2771CC V6 GAS DOHC Naturally Aspirated
- 2.8L 2771CC V6 GAS SOHC 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
Volkswagen Group of America, Inc. (VW) is recalling certain 2000-2001 TT Roadster, 2000 TT Coupe, 1999 Audi A8, 1998-2000 Audi A6, and 1999-2000 Audi A4 vehicles equipped with Non-Azide Driver air bag
In the event of a crash necessitating air bag deployment, the air bag may not properly protect the o
Dealers will replace the driver frontal air bag inflator with an alternative inflator when the parts
VEHICLE DESCRIPTION: PASSENGER VEHICLES. IF THE ENGINE BACKFIRES DURING A COLD-START, AN AIR SCREEN WHICH IS LOOSELY SEATED IN THE AIR FLOW METER CAN BECOME DAMAGED.
SCREEN PIECES COULD ENTER THE INTAKE AIR FLOW SYSTEM AND PREVENT THE THROTTLE PLATE FROM RETURNING T
DEALERS WILL INSTALL A RETAINING RING TO HOLD THE AIR SCREEN IN PLACE.
ON CERTAIN PASSENGER VEHICLES, IF A DRIVER'S KNEES PUSH AGAINST THE KNEE BOLSTER (CRASH ELEMENT) LOCATED UNDER THE DASHBOARD, IT CAN CONTACT THE HEADLIGHT SWITCH WIRING HARNESS, AND AN ELECTRICAL SHOR
A FIRE COULD ORIGINATE IN THE LEFT DASHBOARD AREA.
DEALERS WILL INSTALL A PROTECTIVE COVERING ON THE KNEE BOLSTER (CRASH ELEMENT). IN ADDITION, THE WI
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 2.8L, V6 5-VALVE ENGINES, AND AUTOMATIC TRANSMISSIONS, WHILE DRIVING DURING EXTREMELY LOW AMBIENT TEMPERATURES THE THROTTLE MAY FREEZE IN AN OPEN POSITION D
IF THIS OCCURS, THE VEHICLE MAY FAIL TO REDUCE SPEED WHEN THE DRIVER LIFTS HIS/HER FOOT FROM THE GAS
AUDI WILL INSTALL A REPLACEMENT THROTTLE BODY KIT FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 29, 2
If the vehicle?s engine experienced a serious mechanical problem, it is possible that small pieces of metal debris resulting from the mechanical problem may have become deposited in the intake manifold, air intake hoses, exhaust manifolds,
Discontinuation and mixing of Audi-approved engine coolants.
Discontinuation and mixing of Audi-approved engine coolants.
Engine oils that meet Audi Oil Quality Standards.
AUDI: ENGINE, ON SOME VEHICLES, WOULD RUN IRREGULARLY OR HAVE MALFUNCTION INDICATOR LAMP (MIL) ON OR POSSIBLE FILTER ELEMENT FOR CAMSHAFT ADJUSTMENT VALVE CAN LOOSEN AND IN OIL CIRCUIT, THERE IS NO DAMAGE FROM LOOSENED PARTICLES. MODEL ALL.
Tightening wheel bolts
Tightening wheel bolts
Google Maps Street View (NVLW))
Showing the 8 most recent of 66 technical service bulletins on file with NHTSA.
AUDI COULD NOT FIX MULTIPLE PROBLEMS. TOLD ME TO SELL IT. NO SAFETY DEFECT LISTED WITHIN SUMMARY. *AK
AUDI COULD NOT FIX MULTIPLE PROBLEMS. TOLD ME TO SELL IT. NO SAFETY DEFECT LISTED WITHIN SUMMARY. *AK
AUDI COULD NOT FIX MULTIPLE PROBLEMS. TOLD ME TO SELL IT. NO SAFETY DEFECT LISTED WITHIN SUMMARY. *AK
AUDI COULD NOT FIX MULTIPLE PROBLEMS. TOLD ME TO SELL IT. NO SAFETY DEFECT LISTED WITHIN SUMMARY. *AK
AUDI COULD NOT FIX MULTIPLE PROBLEMS. TOLD ME TO SELL IT. NO SAFETY DEFECT LISTED WITHIN SUMMARY. *AK
Showing the 5 most serious of 158 complaints filed with NHTSA.
