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1998 Audi A6 Service and Repair Manual
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$40.99 USD
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Fits the 1998 A6 — Base Sedan 4-Door ·
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$40.99
1998 Audi A6 Service and Repair Manual
Regular price
$40.99 USD
Unit price
This manual for the 1998 Audi A6 is built around the 2.8L V6 (engine code AHA) and Base Sedan 4-Door configuration, so the specifications and procedures inside match the hardware actually under the hood rather than a generic A6-family writeup.
Engines covered
- 2.8L V6 — DOHC, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
Trims covered
- Base
Known issues on the 1998 A6. Ten recalls are on federal record for this model year. The driver's front air bag inflator can absorb moisture and deploy improperly in a crash. The headlight switch connector can short-circuit, which could lead to overheating or fire. Sulfur buildup on the fuel sending units can make the gauge read full when the tank is not, so drivers can run out of fuel without warning. Tie rod seals in the steering linkage may fail to seal, letting moisture and dust wear the swivel bearing and diminish steering control. Contact between the knee bolster and the headlight switch wiring harness can cause an electrical short and a fire originating in the left dashboard area. On automatic-transmission cars, a vacuum hose control valve may not open or close fully below -4°F, reducing vacuum to the brake booster. On automatics with the 2.8L V6 5-valve engine, ice can accumulate in the throttle body in extreme cold and freeze the throttle open, so the vehicle may fail to reduce speed when the driver lifts off the gas, which could result in a crash without warning. An incorrect fuel filler neck was installed on some vehicles and does not match the fuel cap, allowing fuel to escape near an ignition source. On Quattro vehicles, refueling with the engine running can build back pressure in the fuel vapor recovery system and eject fuel spray when the nozzle is removed. If the engine backfires during a cold start, a loosely seated air screen in the air flow meter can become damaged, and screen pieces could enter the intake air flow system and prevent the throttle plate from returning to its full idle position. Owners have filed 134 complaints for the year; Audi has issued no technical service bulletins. The factory diagnostic and repair procedures behind each of those systems are here.
From tracing an intermittent headlight short to a fuel tank sending unit check or a Quattro-specific service interval, it keeps you on the OEM procedure and the correct specification for your specific 1998 A6.
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 Inflators (NADI) that do not contain phase stabil
Consequence
In the event of a crash necessitating air bag deployment, the air bag may not properly protect the occupant, increasing the risk of serious injury or death.
Remedy
Dealers will replace the driver frontal air bag inflator with an alternative inflator when the parts become available, free of charge. Owner notifications were mailed September 21, 2021. Owners may c
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH HALOGEN LOW BEAM HEADLIGHTS, CERTAIN CONNECTOR PINS IN THE HEADLIGHT SWITCH CONNECTOR COME INTO CONTACT WITH EACH OTHER CAUSING A SHORT CIRCUIT. NOTE: VEHICLES WITH XENON LOW BEAM HEADLIGHTS ARE NOT AFFE
Consequence
THIS CONDITION COULD LEAD TO OVERHEATING OR FIRE.
Remedy
DEALERS WILL REROUTE THE WIRING HARNESS BY INSTALLING A JUMPER WIRING HARNESS. THE RECALL BEGAN ON DECEMBER 16, 2006. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. SULFUR IN FUEL INTERACTS WITH CERTAIN ADDITIVES FOUND IN WIDELY AVAILABLE GASOLINE CAUSING SULFUR TO BECOME DEPOSITED ON THE CONTACT POINTS OF THREE FUEL SENDING UNITS MOUNTED INSIDE THE FUEL TANK. THIS COU
Consequence
RUNNING OUT OF FUEL WITHOUT WARNING WHILE THE FUEL GAUGE INDICATES THAT THERE IS SUFFICIENT FUEL IN THE TANK LEAD TO SAFETY PROBLEMS.
Remedy
DEALERS WILL REMOVE THE EXISTING FUEL LEVEL SENDING UNITS AND REPLACE THEM WITH FUEL LEVEL SENDING UNITS USING A NEW ALLOY COMPOSED OF GOLD, SILVER, AND A SMALL AMOUNT OF NICKEL, WHICH WILL NOT CHEMIC
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE TIE RODS OF THE STEERING ASSEMBLY ARE PROTECTED ON EACH SIDE BY A SEAL TO PREVENT MOISTURE AND DUST PARTICLES FROM ENTERING THE SWIVEL BEARING MECHANISM. IT IS POSSIBLE THAT SOME TIE ROD SEALS MAY NOT S
Consequence
IF MOISTURE AND/OR DUST PARTICLES ENTER THE SWIVEL BEARING MECHANISM, THE SWIVEL BEARING COULD WEAR OVER TIME DIMINISHING THE STEERING CONTROL OF THE VEHICLE.
Remedy
DEALERS WILL REPLACE THE TIE RODS.
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 SHORT COULD OCCUR.
Consequence
A FIRE COULD ORIGINATE IN THE LEFT DASHBOARD AREA.
Remedy
DEALERS WILL INSTALL A PROTECTIVE COVERING ON THE KNEE BOLSTER (CRASH ELEMENT). IN ADDITION, THE WIRING HARNESS AS WELL AS THE FELT PROTECTOR ON THE LEFT SIDE OF THE DASHBOARD CARRIER WILL BE CHECKED
VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSIONS. A CONTROL VALVE IN THE VACUUM HOSE CONNECTING THE BRAKE BOOSTER TO THE INTAKE MANIFOLD MAY NOT OPEN OR CLOSE FULLY AT TEMPERATURES BELOW -4 F UNDER CERTAIN DRIVING COND
Consequence
THIS CONDITION COULD CAUSE INSUFFICIENT VACUUM TO BE PROVIDED TO THE BRAKE BOOSTER.
Remedy
DEALERS WILL INSTALL A VACUUM BY-PASS SYSTEM INTO VEHICLES OPERATED IN THESE STATES WHICH IS DESIGNED TO PROVIDE SUFFICIENT VACUUM FOR FULL BRAKE ASSIST UNDER ALL WEATHER CONDITIONS.
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 DUE TO ICE ACCUMULATING IN THE THROTTLE BODY.
Consequence
IF THIS OCCURS, THE VEHICLE MAY FAIL TO REDUCE SPEED WHEN THE DRIVER LIFTS HIS/HER FOOT FROM THE GAS PEDAL. THIS LOSS OF VEHICLE CONTROL COULD RESULT IN A CRASH WITHOUT WARNING.
Remedy
AUDI WILL INSTALL A REPLACEMENT THROTTLE BODY KIT FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 29, 2004. OWNERS MAY CONTACT AUDI AT 1-800-822-2834. OWNERS OF VEHICLES WHICH ARE NOT REGISTERED IN
VEHICLE DESCRIPTION: PASSENGER VEHICLES. DURING PRE-ASSEMBLY OF THE FUEL TANKS, AN INCORRECT FILLER NECK WAS INSTALLED CAUSING THE FILLER NECK TO NOT "MATCH" THE FUEL CAP.
Consequence
THIS CONDITION COULD ALLOW FUEL TO ESCAPE AND IF AN IGNITION SOURCE WAS PRESENT, A FIRE COULD OCCUR.
Remedy
DEALERS WILL REPLACE THESE FILLER NECKS.
VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH QUATTRO DRIVE SYSTEM WHICH EMPLOYS A FUEL AND FUEL VAPOR LEAK DETECTION SYSTEM. IF THE VEHICLE IS REFUELED SHORTLY AFTER THE ENGINE IS STARTED, AND IS KEPT RUNNING WHILE BEING REFUELED, THE FUEL
Consequence
IN THE PRESENCE OF AN IGNITION SOURCE, FUEL SPRAY COULD RESULT IN FIRE OR POSSIBLE PERSONAL INJURY.
Remedy
VW IS PROVIDING A NEW PAGE FOR THE OWNER'S MANUAL AND ALSO REQUESTING OWNERS TO MAKE AN APPOINTMENT WITH THEIR DEALERS TO HAVE A LABEL CONTAINING IMPORTANT REFUELING INSTRUCTIONS INSTALLED INSIDE OF T
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.
Consequence
SCREEN PIECES COULD ENTER THE INTAKE AIR FLOW SYSTEM AND PREVENT THE THROTTLE PLATE FROM RETURNING TO ITS FULL IDLE POSITION.
Remedy
DEALERS WILL INSTALL A RETAINING RING TO HOLD THE AIR SCREEN IN PLACE.
Discontinuation and mixing of Audi-approved engine coolants.
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,
Engine oils that meet Audi Oil Quality Standards.
Discontinuation and mixing of Audi-approved engine coolants.
This communication is issued to inform dealers of updated shipping regulations related to lithium ion batteries.
This communication is issued to remind dealers of the repair validation process for repair group 19. 2005-2019 A3, 1996-2019 A4, 2008-2019 A5, 1992-2019 A6, 2012-2019 A7, 1997-2019 A8, 2019 E-Tron, 2015-2019 Q3, 2010-2019 Q5, 2007-2019 Q7,
This special notice is to inform dealers to return all part numbers listed in the document and order the superseded part numbers going forward.
Supersedes Technical Service Bulletin Group 19 number 14-50 dated June 20, 2014. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service
Showing the 8 most recent of 80 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
CONSUMER CONTACTED DEALER REGARDING RECALL NUMBER 00V137000. DEALER HAS INDICATED THAT PARTS WERE NOT AVAILABLE TO TAKE CARE OF THE FAULTY GAS GAUGE WHICH INDICATED INACCURATE FUEL READING. THIS C
FRONT BUMPER ASSEMBLY IS TO LOW; NOT PROPER CLEARANCE FOR CLEARING CURB WHEN PARKING
THIS VEHICLE HAS DONE THIS APPX 4 TO 5 TIMES. NO SAFETY DEFECT LISTED WITHIN SUMMARY. *AK
BRAKING SYSTEM MALFUNCTIONS WHEN ON SLIPPERY SURFACES, DRIVING STRAIGHT AND THE BRAKE PEDAL IS LIGHTLY PRESSED. A SINGLE BRAKE LOCKS UP, CAUSING THE CAR TO SPIN OUT OF CONTROL. *AK
BRAKING SYSTEM MALFUNCTIONS WHEN ON SLIPPERY SURFACES, DRIVING STRAIGHT AND THE BRAKE PEDAL IS LIGHTLY PRESSED. A SINGLE BRAKE LOCKS UP CAUSING THE CAR TO SPIN OUT OF CONTROL. *AK
I WAS REAR-ENDED AT A STOP LIGHT ON A LIMITED ACCESS HIGHWAY BY A 1998 AUDI A6. THE PERSON DRIVING THE CAR STATED THAT HER CAR WAS ACCELERATING EVEN WHEN SHE TOOK HER FOOT OFF THE GAS AND STEPPED ON
ON FEBRUARY 4, 2006 I WAS DRIVING NORTHBOUND ON INTERSTATE 95, BETWEEN EXITS 15 AND 16 IN NORWALK, CONNECTICUT. I WAS THE ONLY OCCUPANT OF THE CAR, AND I WAS DRIVING IN THE MIDDLE LANE AT APPROXIMATE
Showing the 8 most serious of 134 complaints filed with NHTSA.
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