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2004 Audi A6

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2004 Audi A6 do not stand out strongly from the model-year median of 35.

About this comparison →
35Owner complaints

Model-year median: 35

4Recall campaigns

View recall details →

1Investigations

View investigation details →

How this year compares

Owner complaints by model year

Other model years Selected year
113
200188
200266
200335
200491
200567
200653
2007
Compare all A6 years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Fuel System, Gasoline
5Air Bags
3Electrical System
3Engine And Engine Cooling
3Fuel/propulsion System
3
All reported categories
Seats
3Tires
3Wheels
3Electronic Stability Control (esc)
2Exterior Lighting
2Service Brakes
2Service Brakes, Hydraulic
2Vehicle Speed Control
2Engine
1Forward Collision Avoidance
1Fuel System, Other
1Power Train
1Steering
1Suspension
1Visibility
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

27 reports with mileage · 8 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Fuel System, Gasoline. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

1 crash reports2 fire reports1 injury reports

Fuel System, Gasoline complaints

5 reports
Clear category filter
Mileage unknown · Dec 10, 2013
Fuel System, Gasoline

SIGNIFICANT GAS LEAK CAUSED BY BROKEN GAS "IN TANK SENDING UNITS" HOUSING AND SEAL. GAS WILL LEAK AND FILL THE INSIDE OF THE CAR WITH FUMS AS WELL AS UNDER THE CAR. REPLACEMENT REQUIRED BUYING A REVISED DESIGN SENDING UNITS THAT INCLUDE ALL THREE SENDING UNITS. THE PRICE IS HIGH ~$500 AND THE CONSEQUENCES VERY DANGEROUS. MY CAR…

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SIGNIFICANT GAS LEAK CAUSED BY BROKEN GAS "IN TANK SENDING UNITS" HOUSING AND SEAL. GAS WILL LEAK AND FILL THE INSIDE OF THE CAR WITH FUMS AS WELL AS UNDER THE CAR. REPLACEMENT REQUIRED BUYING A REVISED DESIGN SENDING UNITS THAT INCLUDE ALL THREE SENDING UNITS. THE PRICE IS HIGH ~$500 AND THE CONSEQUENCES VERY DANGEROUS. MY CAR IS: 2004 AUDI A6 [XXX] 2004 A6Q 2.7T INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10555455

90,000 miles · Mar 23, 2011
Fuel System, Gasoline

TL*THE CONTACT OWNS A 2004 AUDI A6. THE CONTACT STATED THAT WHEN REFUELING THE VEHICLE OVER THE THREE QUARTER CAPACITY LEVEL, A SUBSTANTIAL AMOUNT OF FUEL WOULD LEAK UNDERNEATH THE VEHICLE NEAR THE EXHAUST PIPE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSTIC TESTING AND STATED THAT THE FUEL TANK ROLLOVER VALVE WAS …

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TL*THE CONTACT OWNS A 2004 AUDI A6. THE CONTACT STATED THAT WHEN REFUELING THE VEHICLE OVER THE THREE QUARTER CAPACITY LEVEL, A SUBSTANTIAL AMOUNT OF FUEL WOULD LEAK UNDERNEATH THE VEHICLE NEAR THE EXHAUST PIPE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER FOR DIAGNOSTIC TESTING AND STATED THAT THE FUEL TANK ROLLOVER VALVE WAS LEAKING. THE VEHICLE WAS NOT REPAIRED. THE CONTACT EXPRESSED SIGNIFICANT CONCERN OF THE SAFETY RISK INVOLVED. THE FAILURE MILEAGE WAS 90,000. THE VIN WAS UNAVAILABLE.

NHTSA ODI #10392604

81,469 miles · Feb 28, 2011
Fuel System, Gasoline

2004 AUDI A6 SEDAN, 3.0 ENGINE DEVELOPED A SUDDEN LOSS OF POWER JUST BEFORE VEHICLE STALLED WHILE DRIVING ON HIGHWAY AT 65 MPH. VEHICLE WAS TOWED TO REPAIR SHOP WHERE IT WAS DETERMINED THAT THE FUEL PUMP HAD FAILED. *TR

NHTSA ODI #10384828

108,000 miles · Jan 17, 2011
Fuel System, Gasoline

CAR'S ENGINE STOPPED WHILE AT A RED LIGHT. WOULD NOT START AFTER FAILURE. ULTIMATELY, CAUSE WAS DETERMINED TO BE A FAILED FUEL PUMP. I SAW THAT THERE WAS A RECALL ON THE FUEL PUMP FOR 2003 A6 MODELS INCLUDING 3L VEHICLES, BUT NOT FOR 2004 MODELS.]

NHTSA ODI #10377739

119,898 miles · Nov 2, 2009
Fuel System, Gasoline

TL* THE CONTACT OWNS A 2004 AUDI A6. WHEN DRIVING HE SMELLED A STRONG ODOR OF GASOLINE INSIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THE CONTACT WAS INFORMED THAT THE ROLL OVER VALVE WAS MALFUNCTIONING, AND THAT THE GAS TANK NEEDED TO BE REPLACED. THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILE…

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TL* THE CONTACT OWNS A 2004 AUDI A6. WHEN DRIVING HE SMELLED A STRONG ODOR OF GASOLINE INSIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THE CONTACT WAS INFORMED THAT THE ROLL OVER VALVE WAS MALFUNCTIONING, AND THAT THE GAS TANK NEEDED TO BE REPLACED. THERE WERE NO PRIOR WARNINGS. THE CURRENT AND FAILURE MILEAGES WERE 119898. UPDATED 11/18/09. *LJ THE CONSUMER STATED THE SMELL PARTICULARLY STRONG AFTER FILLING UP. THE CONSUMER WAS TOLD HIS VINE WAS NOT INCLUDED IN THE RECALL. UPDATED 11/19/09 THE CONSUMER STATED HE BEGAN TO SMELL GASOLINE INSIDE THE VEHICLE, PARTICULARLY AFTER FILLING HOME. HE TOOK THE VEHICLE TO A SERVICE CENTER AND WHEN THE MECHANIC LIFTED VEHICLE TO INSPECT IT, HE FOUND FUEL LEAKING FROM THE TOP OF THE FUEL TANK ON THE LEFT SIDE, WITHIN INCHES OF THE EXHAUST PIPE. UPDATED 06/08/10.*JB

NHTSA ODI #10290619

Official recalls

4

11V267000 · Fuel System, Other:storage:tank Assembly

May 3, 2011

VOLKSWAGEN IS RECALLING CERTAIN MODEL YEAR 2001-2004 AUDI A6, MODEL YEAR 2002-2003 S6 AND MODEL YEAR 2003 RS6 VEHICLES EQUIPPED WITH 4.2L ENGINES AND MANUFACTURED FROM JUNE 19, 2001, THROUGH JUNE 8, 2004. THE AGING OF THE PLASTIC MATERIAL IN THE FUEL TANK ROLLOVER VALVE COMBINED WITH BENDING STRESS FROM THE ALUMINUM VENTILATION LINE TO THE ROLLOVER VALVE NIPPLE MAY LEAD TO CRACKING OF THE NIPPLE. IF THIS HAPPENS, A FUEL LEAK MAY RESULT.

Consequence & remedy

Consequence: A FUEL LEAK IN THE PRESENCE OF AN IGNITION SOURCE COULD LEAD TO A VEHICLE FIRE.

Remedy: DEALERS WILL REINFORCE THE NIPPLE ON THE ROLLOVER VALVE TO PREVENT LEAKAGE OR REPAIR THE CRACKING AT THE NIPPLE. THE RECALL IS EXPECTED TO BEGIN DURING JUNE 2011. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.

08V157000 · Fuel System, Gasoline:storage:tank Assembly

Apr 8, 2008

VOLKSWAGEN IS RECALLING 68,240 MY 2001-2004 AUDI A6 QUATTRO VEHICLES EQUIPPED WITH 2.7L, 2.8L, OR 3.0L ENGINES AND MY 2001-2005 ALLROAD QUATTRO VEHICLES EQUIPPED WITH 2.7L OR 4.2L ENGINES. THE AGING OF THE PLASTIC MATERIAL IN THE FUEL TANK ROLLOVER VALVE COMBINED WITH BENDING STRESS FROM THE ALUMINUM VENTILATION LINE TO THE ROLLOVER VALVE NIPPLE MAY LEAD TO CRACKING OF THE NIPPLE. IF THIS HAPPENS, A FUEL LEAK MAY RESULT.

Consequence & remedy

Consequence: A FUEL LEAK IN THE PRESENCE OF AN IGNITION SOURCE COULD LEAD TO A VEHICLE FIRE.

Remedy: DEALERS WILL REINFORCE THE NIPPLE ON THE ROLLOVER VALVE TO PREVENT LEAKAGE OR REPAIR THE CRACKING AT THE NIPPLE. THE RECALL BEGAN ON JUNE 27, 2008. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.

06V198000 · Electrical System

Jun 5, 2006

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 AFFECTED BECAUSE THE CIRCUIT IN THESE VEHICLES CONTAINS A FUSE, WHICH PRECLUDES EXCESSIVE CURRENT FLOW IN THE CASE OF A SHORT CIRCUIT. AUDI S6 AND S6 AVANT VEHICLES ARE ALL EQUIPPED WITH XENON LOW BEAM HEADLIGHTS AND, THEREFORE, ARE NOT LONGER AFFECTED BY THIS RECALL.

Consequence & remedy

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.

04V133000 · Electrical System

Mar 18, 2004

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 & remedy

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, AND REPLACED IF NECESSARY. THE RECALL BEGAN ON JULY 26, 2004. OWNERS SHOULD CONTACT AUDI AT 1-800-822-2834.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

PE08008 · Fuel Tank Leak

Opened Jan 31, 2008 · Closed May 30, 2008

Status: closed (inferred from source dates) · Fuel System, Gasoline:storage:tank Assembly; Fuel System, Other:storage:tank Assembly:pressure Relief Devices

VOLKSWAGEN (VW) IS RECALLING CERTAIN VW PASSAT 4MOTION AND AUDI A6 QUATTRO AND ALLROAD QUATTRO ALL-WHEEL DRIVE PASSENGER CARS.VW VEHICLES SUBJECT TO RECALL WERE MANUFACTURED FROM NOVEMBER 22, 2000 THROUGH MAY 31, 2005 AND AUDI VEHICLES SUBJECT TO RECALL WERE MANUFACTURED FROM JUNE 2, 2001 TO JUNE 1, 2005.THE NHTSA RECALL NUMBER FOR THE VW VEHICLES IS 08V-156 (VW ALSO IS CORRECTING DEFECTS RELATED TO HEAT SHIELD AND FUEL LINE HAZARDS FOR THESE VEHICLES AND FOR 1999-2000 PASSATS IN THIS RECALL ACTION.)THE NHTSA RECALL NUMBER FOR THE AUDI VEHICLES IS 08V-157.SINCE 2006, ODI HAS RECEIVED 17 COMPLAINTS OF FUEL LEAKING FROM THE SUBJECT VEHICLES' FUEL TANKS.THE 400 COMPLAINTS SHOWN ABOVE MAY INCLUDE DUPLICATE REPORTS TO ODI AND THE MANUFACTURER. WHILE THE CONSEQUENCE (FUEL LEAKS FROM THE TOP OF THE TANK) IS SIMILAR FOR BOTH THE PASSAT AND AUDI SUBJECT VEHICLES, DIFFERENCES IN DESIGN AND CONSTRUCTION REQUIRE A DIFFERENT REMEDY FOR EACH VEHICLE.ON THE PASSATS, THE VENTILATION LINE COULD HAVE BEEN INSTALLED IMPROPERLY WITH TENSION AND WITH AN INCORRECTLY POSITIONED CABLE TIE.THE TENSION COULD CAUSE CRACKED OR BROKEN NIPPLES ON THE FUEL TANK ROLLOVER VALVE.ON THE AUDI VEHICLES, A MATERIAL CHANGE (EFFECTIVE JUNE 2, 2001) WITH DIFFERENT AGING CHARACTERISTICS USED FOR THE ROLLOVER VALVE AND THE USE OF AN INFLEXIBLE ALUMINUM VENTILATION LINE COULD CAUSE CRACKING OF THE NIPPLE ON THE ROLLOVER VALVE.VW IS RECALLING ALL VEHICLES SUBJECT TO THESE DEFECTS.IT WILL INSPECT PASSATS TO ENSURE THAT THE VENT LINE IS TENSION FREE AND CORRECT THE INSTALLATION IF TENSION IS FOUND.IF A CRACK OR FUEL LEAK IS FOUND, VW WILL REPLACE THE FUEL TANK.AUDI WILL REPAIR ALL SUBJECT VEHICLES BY REINFORCING THE FUEL TANK ROLLOVER VALVE WITH AN EPOXY ADHESIVE.THIS INVESTIGATION IS CLOSED.

Additional source detail variants (4)

Fuel System, Gasoline:storage:tank Assembly

VOLKSWAGEN (VW) IS RECALLING CERTAIN VW PASSAT 4MOTION AND AUDI A6 QUATTRO AND ALLROAD QUATTRO ALL-WHEEL DRIVE PASSENGER CARS.VW VEHICLES SUBJECT TO RECALL WERE MANUFACTURED FROM NOVEMBER 22, 2000 THROUGH MAY 31, 2005 AND AUDI VEHICLES SUBJECT TO RECALL WERE MANUFACTURED FROM JUNE 2, 2001 TO JUNE 1, 2005.THE NHTSA RECALL NUMBER FOR THE VW VEHICLES IS 08V-156 (VW ALSO IS CORRECTING DEFECTS RELATED TO HEAT SHIELD AND FUEL LINE HAZARDS FOR THESE VEHICLES AND FOR 1999-2000 PASSATS IN THIS RECALL ACTION.)THE NHTSA RECALL NUMBER FOR THE AUDI VEHICLES IS 08V-157.SINCE 2006, ODI HAS RECEIVED 17 COMPLAINTS OF FUEL LEAKING FROM THE SUBJECT VEHICLES' FUEL TANKS.THE 400 COMPLAINTS SHOWN ABOVE MAY INCLUDE DUPLICATE REPORTS TO ODI AND THE MANUFACTURER. WHILE THE CONSEQUENCE (FUEL LEAKS FROM THE TOP OF THE TANK) IS SIMILAR FOR BOTH THE PASSAT AND AUDI SUBJECT VEHICLES, DIFFERENCES IN DESIGN AND CONSTRUCTION REQUIRE A DIFFERENT REMEDY FOR EACH VEHICLE.ON THE PASSATS, THE VENTILATION LINE COULD HAVE BEEN INSTALLED IMPROPERLY WITH TENSION AND WITH AN INCORRECTLY POSITIONED CABLE TIE.THE TENSION COULD CAUSE CRACKED OR BROKEN NIPPLES ON THE FUEL TANK ROLLOVER VALVE.ON THE AUDI VEHICLES, A MATERIAL CHANGE (EFFECTIVE JUNE 2, 2001) WITH DIFFERENT AGING CHARACTERISTICS USED FOR THE ROLLOVER VALVE AND THE USE OF AN INFLEXIBLE ALUMINUM VENTILATION LINE COULD CAUSE CRACKING OF THE NIPPLE ON THE ROLLOVER VALVE.VW IS RECALLING ALL VEHICLES SUBJECT TO THESE DEFECTS.IT WILL INSPECT PASSATS TO ENSURE THAT THE VENT LINE IS TENSION FREE AND CORRECT THE INSTALLATION IF TENSION IS FOUND.IF A CRACK OR FUEL LEAK IS FOUND, VW WILL REPLACE THE FUEL TANK.AUDI WILL REPAIR ALL SUBJECT VEHICLES BY REINFORCING THE FUEL TANK ROLLOVER VALVE WITH AN EPOXY ADHESIVE.THIS INVESTIGATION IS CLOSED.

Fuel System, Gasoline:storage:tank Assembly

VOLKSWAGEN (VW) IS RECALLING CERTAIN VW PASSAT 4MOTION AND AUDI A6 QUATTRO AND ALLROAD QUATTRO ALL-WHEEL DRIVE PASSENGER CARS.VW VEHICLES SUBJECT TO RECALL WERE MANUFACTURED FROM NOVEMBER 22, 2000 THROUGH MAY 31, 2005 AND AUDI VEHICLES SUBJECT TO RECALL WERE MANUFACTURED FROM JUNE 2, 2001 TO JUNE 1, 2005.THE NHTSA RECALL NUMBER FOR THE VW VEHICLES IS 08V-156 (VW ALSO IS CORRECTING DEFECTS RELATED TO HEAT SHIELD AND FUEL LINE HAZARDS FOR THESE VEHICLES AND FOR 1999-2000 PASSATS IN THIS RECALL ACTION.)THE NHTSA RECALL NUMBER FOR THE AUDI VEHICLES IS 08V-157.SINCE 2006, ODI HAS RECEIVED 17 COMPLAINTS OF FUEL LEAKING FROM THE SUBJECT VEHICLES' FUEL TANKS.THE 400 COMPLAINTS SHOWN ABOVE MAY INCLUDE DUPLICATE REPORTS TO ODI AND THE MANUFACTURER. WHILE THE CONSEQUENCE (FUEL LEAKS FROM THE TOP OF THE TANK) IS SIMILAR FOR BOTH THE PASSAT AND AUDI SUBJECT VEHICLES, DIFFERENCES IN DESIGN AND CONSTRUCTION REQUIRE A DIFFERENT REMEDY FOR EACH VEHICLE.ON THE PASSATS, THE VENTILATION LINE COULD HAVE BEEN INSTALLED IMPROPERLY WITH TENSION AND WITH AN INCORRECTLY POSITIONED CABLE TIE.THE TENSION COULD CAUSE CRACKED OR BROKEN NIPPLES ON THE FUEL TANK ROLLOVER VALVE.ON THE AUDI VEHICLES, A MATERIAL CHANGE (EFFECTIVE JUNE 2, 2001) WITH DIFFERENT AGING CHARACTERISTICS USED FOR THE ROLLOVER VALVE AND THE USE OF AN INFLEXIBLE ALUMINUM VENTILATION LINE COULD CAUSE CRACKING OF THE NIPPLE ON THE ROLLOVER VALVE.VW IS RECALLING ALL VEHICLES SUBJECT TO THESE DEFECTS.IT WILL INSPECT PASSATS TO ENSURE THAT THE VENT LINE IS TENSION FREE AND CORRECT THE INSTALLATION IF TENSION IS FOUND.IF A CRACK OR FUEL LEAK IS FOUND, VW WILL REPLACE THE FUEL TANK.AUDI WILL REPAIR ALL SUBJECT VEHICLES BY REINFORCING THE FUEL TANK ROLLOVER VALVE WITH AN EPOXY ADHESIVE.THIS INVESTIGATION IS CLOSED.

Fuel System, Other:storage:tank Assembly:pressure Relief Devices

VOLKSWAGEN (VW) IS RECALLING CERTAIN VW PASSAT 4MOTION AND AUDI A6 QUATTRO AND ALLROAD QUATTRO ALL-WHEEL DRIVE PASSENGER CARS.VW VEHICLES SUBJECT TO RECALL WERE MANUFACTURED FROM NOVEMBER 22, 2000 THROUGH MAY 31, 2005 AND AUDI VEHICLES SUBJECT TO RECALL WERE MANUFACTURED FROM JUNE 2, 2001 TO JUNE 1, 2005.THE NHTSA RECALL NUMBER FOR THE VW VEHICLES IS 08V-156 (VW ALSO IS CORRECTING DEFECTS RELATED TO HEAT SHIELD AND FUEL LINE HAZARDS FOR THESE VEHICLES AND FOR 1999-2000 PASSATS IN THIS RECALL ACTION.)THE NHTSA RECALL NUMBER FOR THE AUDI VEHICLES IS 08V-157.SINCE 2006, ODI HAS RECEIVED 17 COMPLAINTS OF FUEL LEAKING FROM THE SUBJECT VEHICLES' FUEL TANKS.THE 400 COMPLAINTS SHOWN ABOVE MAY INCLUDE DUPLICATE REPORTS TO ODI AND THE MANUFACTURER. WHILE THE CONSEQUENCE (FUEL LEAKS FROM THE TOP OF THE TANK) IS SIMILAR FOR BOTH THE PASSAT AND AUDI SUBJECT VEHICLES, DIFFERENCES IN DESIGN AND CONSTRUCTION REQUIRE A DIFFERENT REMEDY FOR EACH VEHICLE.ON THE PASSATS, THE VENTILATION LINE COULD HAVE BEEN INSTALLED IMPROPERLY WITH TENSION AND WITH AN INCORRECTLY POSITIONED CABLE TIE.THE TENSION COULD CAUSE CRACKED OR BROKEN NIPPLES ON THE FUEL TANK ROLLOVER VALVE.ON THE AUDI VEHICLES, A MATERIAL CHANGE (EFFECTIVE JUNE 2, 2001) WITH DIFFERENT AGING CHARACTERISTICS USED FOR THE ROLLOVER VALVE AND THE USE OF AN INFLEXIBLE ALUMINUM VENTILATION LINE COULD CAUSE CRACKING OF THE NIPPLE ON THE ROLLOVER VALVE.VW IS RECALLING ALL VEHICLES SUBJECT TO THESE DEFECTS.IT WILL INSPECT PASSATS TO ENSURE THAT THE VENT LINE IS TENSION FREE AND CORRECT THE INSTALLATION IF TENSION IS FOUND.IF A CRACK OR FUEL LEAK IS FOUND, VW WILL REPLACE THE FUEL TANK.AUDI WILL REPAIR ALL SUBJECT VEHICLES BY REINFORCING THE FUEL TANK ROLLOVER VALVE WITH AN EPOXY ADHESIVE.THIS INVESTIGATION IS CLOSED.

Fuel System, Other:storage:tank Assembly:pressure Relief Devices

VOLKSWAGEN (VW) IS RECALLING CERTAIN VW PASSAT 4MOTION AND AUDI A6 QUATTRO AND ALLROAD QUATTRO ALL-WHEEL DRIVE PASSENGER CARS.VW VEHICLES SUBJECT TO RECALL WERE MANUFACTURED FROM NOVEMBER 22, 2000 THROUGH MAY 31, 2005 AND AUDI VEHICLES SUBJECT TO RECALL WERE MANUFACTURED FROM JUNE 2, 2001 TO JUNE 1, 2005.THE NHTSA RECALL NUMBER FOR THE VW VEHICLES IS 08V-156 (VW ALSO IS CORRECTING DEFECTS RELATED TO HEAT SHIELD AND FUEL LINE HAZARDS FOR THESE VEHICLES AND FOR 1999-2000 PASSATS IN THIS RECALL ACTION.)THE NHTSA RECALL NUMBER FOR THE AUDI VEHICLES IS 08V-157.SINCE 2006, ODI HAS RECEIVED 17 COMPLAINTS OF FUEL LEAKING FROM THE SUBJECT VEHICLES' FUEL TANKS.THE 400 COMPLAINTS SHOWN ABOVE MAY INCLUDE DUPLICATE REPORTS TO ODI AND THE MANUFACTURER. WHILE THE CONSEQUENCE (FUEL LEAKS FROM THE TOP OF THE TANK) IS SIMILAR FOR BOTH THE PASSAT AND AUDI SUBJECT VEHICLES, DIFFERENCES IN DESIGN AND CONSTRUCTION REQUIRE A DIFFERENT REMEDY FOR EACH VEHICLE.ON THE PASSATS, THE VENTILATION LINE COULD HAVE BEEN INSTALLED IMPROPERLY WITH TENSION AND WITH AN INCORRECTLY POSITIONED CABLE TIE.THE TENSION COULD CAUSE CRACKED OR BROKEN NIPPLES ON THE FUEL TANK ROLLOVER VALVE.ON THE AUDI VEHICLES, A MATERIAL CHANGE (EFFECTIVE JUNE 2, 2001) WITH DIFFERENT AGING CHARACTERISTICS USED FOR THE ROLLOVER VALVE AND THE USE OF AN INFLEXIBLE ALUMINUM VENTILATION LINE COULD CAUSE CRACKING OF THE NIPPLE ON THE ROLLOVER VALVE.VW IS RECALLING ALL VEHICLES SUBJECT TO THESE DEFECTS.IT WILL INSPECT PASSATS TO ENSURE THAT THE VENT LINE IS TENSION FREE AND CORRECT THE INSTALLATION IF TENSION IS FOUND.IF A CRACK OR FUEL LEAK IS FOUND, VW WILL REPLACE THE FUEL TANK.AUDI WILL REPAIR ALL SUBJECT VEHICLES BY REINFORCING THE FUEL TANK ROLLOVER VALVE WITH AN EPOXY ADHESIVE.THIS INVESTIGATION IS CLOSED.