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2004 Audi Allroad

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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

What owners reported most

All reported categories

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

When problems were reported

Mileage at the reported incident

Limited mileage data: 13 of 15 reports include usable mileage. There isn’t enough coverage to show a useful chart.

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.

  • Vehicle Speed Control. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel/propulsion System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

3 crash reports2 fire reports2 injury reports

What owners actually said

15 reports
Mileage unknown · Feb 15, 2007
Tires

SUBJECT: PIRELLI P6 FOUR SEASONS PASSENGER/PERFORMANCE TIRE. I HAVE NEVER, UNTIL I PURCHASED AN AUDI A4 EQUIPPED WITH THE AFOREMENTIONED TIRE, HAD TIRES THAT SUDDENLY DEFLATE, DEVELOP BULGES IN THE SIDEWALL AND FAIL UNEXPECTEDLY AT THE SLIGHTEST BUMP IN THE ROAD. I HAVE REPLACED ALL OF MY TIRES. AND HAVE NOW STARTED REPLACING T…

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SUBJECT: PIRELLI P6 FOUR SEASONS PASSENGER/PERFORMANCE TIRE. I HAVE NEVER, UNTIL I PURCHASED AN AUDI A4 EQUIPPED WITH THE AFOREMENTIONED TIRE, HAD TIRES THAT SUDDENLY DEFLATE, DEVELOP BULGES IN THE SIDEWALL AND FAIL UNEXPECTEDLY AT THE SLIGHTEST BUMP IN THE ROAD. I HAVE REPLACED ALL OF MY TIRES. AND HAVE NOW STARTED REPLACING THE REPLACEMENTS. MANY OF THEM WERE REPLACED WITH LESS THAN 5000 MILES. THE CAR IS DEALER MAINTAINED AT THE RECOMMENDED INTERVALS. THIS IS A DANGEROUS AND FRUSTRATING EXPERIENCE. IS THERE ANYWAY TO HAVE THESE TIRES RECALLED, OR TO INITIATE A CLASS ACTION SUIT AGAINST THIS MANUFACTURER? THERE ARE MANY, MANY SIMILAR COMPLAINTS ABOUT THIS TIRE ON YOUR WEBSITE. HOW MANY FATAL ACCIDENTS MUST OCCUR BEFORE ACTION IS TAKEN? I HAD 2 TIRE FAILURES TODAY BECAUSE OF RUTS IN THE ROAD CAUSED BY SNOW AND ICE. *NM

NHTSA ODI #10182720

36,900 miles · Jul 1, 2006
VisibilityInjury

WHILE DRIVING AT APPROX. 45-50 MILES PER HOUR, THE SUNROOF OF OUR AUDI QUATTRO ALLROAD EXPLODED. THERE WERE NO PRIOR IMPACTS, DINGS, CHIPS, CRACKS ETC IN THE SUNROOF. IMMEDIATELY PRIOR TO EXPLOSION THERE WAS A HOLLOW-SOUNDING POP. THE DRIVER WAS SHOWERED WITH GLASS WHICH HAD TO BE REMOVED FROM ARM, NECK AND HAIR. INCIDENT OC…

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WHILE DRIVING AT APPROX. 45-50 MILES PER HOUR, THE SUNROOF OF OUR AUDI QUATTRO ALLROAD EXPLODED. THERE WERE NO PRIOR IMPACTS, DINGS, CHIPS, CRACKS ETC IN THE SUNROOF. IMMEDIATELY PRIOR TO EXPLOSION THERE WAS A HOLLOW-SOUNDING POP. THE DRIVER WAS SHOWERED WITH GLASS WHICH HAD TO BE REMOVED FROM ARM, NECK AND HAIR. INCIDENT OCCURRED IN ALTITUDE AT TEMP. AT OR ABOVE 100 DEGREE. *NM

NHTSA ODI #10161179

10,848 miles · Feb 15, 2006
Vehicle Speed Control

DT*: THE CONTACT STATED WHILE ATTEMPTING TO PUT THE VEHICLE INTO GEAR WITH THE BRAKE PEDAL DEPRESSED, THE ENGINE REVVED HIGH. THE VEHICLE FELT AS THOUGH IT MAY LURCH FORWARD, BUT DID NOT. THE VEHICLE WAS TAKEN TO THE LOCAL DEALERSHIP FOR INSPECTION. THE DEALER COULD NOT DUPLICATE THE PROBLEM AND NO REPAIRS WERE MADE. UPDATE…

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DT*: THE CONTACT STATED WHILE ATTEMPTING TO PUT THE VEHICLE INTO GEAR WITH THE BRAKE PEDAL DEPRESSED, THE ENGINE REVVED HIGH. THE VEHICLE FELT AS THOUGH IT MAY LURCH FORWARD, BUT DID NOT. THE VEHICLE WAS TAKEN TO THE LOCAL DEALERSHIP FOR INSPECTION. THE DEALER COULD NOT DUPLICATE THE PROBLEM AND NO REPAIRS WERE MADE. UPDATED 3/3/2006 - *NM

NHTSA ODI #10150332

34,000 miles · Mar 16, 2005
Suspension

VEHICLE STARTED TO SHAKE SO VIOLENTLY THAT IT SHOOK THE COFFEE OUT OF THE HOLDER WHILE TRAVELING AT 70 MPH. CONSUMER STOPPED TO HAVE A MECHANIC CHECK THE VEHICLE , AND IT WAS DISCOVERED THAT WHEEL CONTAINED ICE WITHIN, AND THIS CAUSED FAULTY VEHICLE ALIGNMENT. CONSUMER TOOK THE VEHICLE TO CAR WASH AND THE PROBLEM WENT AW…

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VEHICLE STARTED TO SHAKE SO VIOLENTLY THAT IT SHOOK THE COFFEE OUT OF THE HOLDER WHILE TRAVELING AT 70 MPH. CONSUMER STOPPED TO HAVE A MECHANIC CHECK THE VEHICLE , AND IT WAS DISCOVERED THAT WHEEL CONTAINED ICE WITHIN, AND THIS CAUSED FAULTY VEHICLE ALIGNMENT. CONSUMER TOOK THE VEHICLE TO CAR WASH AND THE PROBLEM WENT AWAY. THEN , THE PROBLEM CAME BACK. CONSUMER SPRAYED THE WHEEL WITH HOT WATER AND THE PROBLEM DISAPPEARED. CONSUMER CONTACTED THE MANUFACTURER, WHO ADMITTED THAT PROBLEM DID EXIST. HOWEVER, NO HELP WAS OFFERED.*AK *NM

NHTSA ODI #10113194

23,000 miles · Mar 2, 2005
Air Bags

THE AIR BAG SENSOR LIGHT CONTINUES TO STAY ON. CONSUMER IS CONCERNED IF INVOLVED IN A COLLISION THE AIR BAGS MAY NOT DEPLOY.*AK

NHTSA ODI #10113284

Official recalls

3

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.