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1999 Audi A4

Owner reports · Recalls · Investigations

More warning signs than most A4 years

Owner complaints for the 1999 Audi A4 are substantially higher than the model-year median of 76.5.

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When problems were reported

Mileage at the reported incident

100 reports with mileage · 90 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.

  • Service Brakes, Hydraulic. Review the 81 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 28 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

9 crash reports2 fire reports4 injury reports

Engine And Engine Cooling complaints

28 reports
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75,000 miles · Oct 26, 2004
Engine And Engine Cooling

WHILE DRIVING ENGINE LIGHT CAME ON. VEHICLE LOST POWER, AND BECAME DIFFICULT TO STEER. VEHICLE WAS TOWED TO A GAS STATION, AND I T WAS DISCOVERED THE TIMING BELT WAS DEFECTIVE.*AK

NHTSA ODI #10097752

70,000 miles · Apr 21, 2004
Engine And Engine CoolingFire

AFTER STARTING THE VEHICLE A FIRE BROKE OUT INSIDE THE ENGINE COMPARTMENT. DEALERSHIP WAS NOTIFIED, BUT DID NOT RESOLVE THE PROBLEM. *AK

NHTSA ODI #10068633

67,600 miles · Apr 13, 2004
Engine And Engine Cooling

1999 AUDI A4 1.8T QUATTRO, VIN: [XXX] TIMING BELT FAILED WHILE DRIVING. MAINTENANCE SCHEDULE RECOMMENDS REPLACEMENT OF THIS BELT AT THE INTERVAL OF 105,000 MILES. THIS FAILURE OCCURRED AT 67,600 MILES ONE MONTH AFTER WARRANTY RAN OUT (PER AUDI, CARFAX INDICATES CAR STILL UNDER WARRANTY). THIS EXTREMELY EARLY FAILURE SUGGESTS A …

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1999 AUDI A4 1.8T QUATTRO, VIN: [XXX] TIMING BELT FAILED WHILE DRIVING. MAINTENANCE SCHEDULE RECOMMENDS REPLACEMENT OF THIS BELT AT THE INTERVAL OF 105,000 MILES. THIS FAILURE OCCURRED AT 67,600 MILES ONE MONTH AFTER WARRANTY RAN OUT (PER AUDI, CARFAX INDICATES CAR STILL UNDER WARRANTY). THIS EXTREMELY EARLY FAILURE SUGGESTS A MANUFACTURER DEFECT EXISTS WITH THIS ENGINE. AUDI ADVOCATE INVESTIGATING AT THIS TIME, BUT HAS SUGGESTED THAT THIS MANUFACTURER DEFECT WILL NOT BE COVERED BY AUDI. I DISAGREE, THIS SHOULD BE COVERED AS AN UNACCEPTABLE FAILURE, IMPOSSIBLE TO AVOID BY CONSUMER, AS I WOULD NEVER HAVE GUESSED TO REPLACE AT AN EARLIER TIME, LET ALONE, AT 50% OF MANUFACTURER"S RECOMMENDED INTERVAL. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10066049

65,000 miles · Mar 16, 2004
Engine And Engine Cooling

TIME BELT FAILURE AT 65K MILES WHILE DRIVING 65 MPH ON HIGHWAY CAUSED OVER $5K IN REPAIRS. DEALER RECOMMENDED LOOKING AT OTHER REPAIR CENTERS BECAUSE IT COULD NOT LOOK AT THE CAR FOR 7 DAYS BECAUSE THE BACKLOG OF OTHER AUDI'S WITH SAME PROBLEM. INTERNET SEARCH FOUND 10 OTHER TIMING BELT FAILURES RANGING FROM 45K TO 98K ON SIMILA…

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TIME BELT FAILURE AT 65K MILES WHILE DRIVING 65 MPH ON HIGHWAY CAUSED OVER $5K IN REPAIRS. DEALER RECOMMENDED LOOKING AT OTHER REPAIR CENTERS BECAUSE IT COULD NOT LOOK AT THE CAR FOR 7 DAYS BECAUSE THE BACKLOG OF OTHER AUDI'S WITH SAME PROBLEM. INTERNET SEARCH FOUND 10 OTHER TIMING BELT FAILURES RANGING FROM 45K TO 98K ON SIMILAR MODELS. KNOWN ISSUE WITH AUDI CORP OF AMERICA. *JB

NHTSA ODI #10062333

48,000 miles · Feb 3, 2004
Engine And Engine Cooling

WATER PUMP WENT OUT, CAUSING THE TIMING BELT TO FAIL. FAILING TIMING BELT CAUSED IT TO JUMP BUT LUCKLY IT DIDN'T CAUSE ANY ENGINE INTERFERENCE.*AK

NHTSA ODI #10056443

68,800 miles · Jan 30, 2004
Engine And Engine Cooling

AT APPROXIMATELY 68,800 MILES THE TIMING BELT ON MY AUDI A4 1.8T QUATTRO BROKE AS I WAS PULLING INTO TRAFFIC. THIS OCCURED APPROXIMATELY 6 WEEKS AFTER THE EXPIRATION OF THE MANUFACTURERS EXTENDED WARRANTY. THE AUTO HAS BEEN METICULOUSLY MAINTAINED SINCE ITS PURCHASE AND HAS ALL THE PERTINENT SERVICE RECORDS. THE CURRENT REPAI…

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AT APPROXIMATELY 68,800 MILES THE TIMING BELT ON MY AUDI A4 1.8T QUATTRO BROKE AS I WAS PULLING INTO TRAFFIC. THIS OCCURED APPROXIMATELY 6 WEEKS AFTER THE EXPIRATION OF THE MANUFACTURERS EXTENDED WARRANTY. THE AUTO HAS BEEN METICULOUSLY MAINTAINED SINCE ITS PURCHASE AND HAS ALL THE PERTINENT SERVICE RECORDS. THE CURRENT REPAIR ESTIMATE IS $4,000 TO $5,000. THE CURRENT RECOMMENDED REPLACEMENT INTERVAL FOR THE TIMING BELT BY AUDI IS 90,000 TO 105,000 MILES. AUDI USA CURRENTLY WILL NOT PROVIDE ANY ASSISTANCE IN THE REPAIR OF THIS VEHICLE. I HAVE PERFORMED SOME INTERNET RESEARCH AND ASIDE FROM THE 2 COMPLAINTS ON THE NHTSA WEBSITE I HAVE FOUND NUMEROUS SIMILAR COMPLAINTS OF AUD A4 AND VW PASSAT 1.8T TIMING BELTS BREAKING WELL IN ADVANCE OF THE 90,000 MILES SERVICE INTERVAL. THIS APPEARS TO BE A MANUFACTURERS DEFECT AND THE VW AUDI SHOULD BE RESPONSIBLE FOR THE REPAIR OF THIS PROBLEM I BELIEVE. FORTUNATELY FOR ME I WAS NOT HIT AS MY CAR FAILED PULLING INTO TRAFFIC. I BELIEVE THIS DEFECT POSES A SIGNIFICANT RISK SHOULD IT FAIL AT AN INOPPORTUNE MOMENT.

NHTSA ODI #10056176

28,000 miles · Jan 15, 2004
Engine And Engine Cooling

RAPID AND CATASTROPHIC FAILURE OF WATER PUMP DISRUPTED TIMING CHAIN AND LED TO SEVERE DAMAGE TO ENGINE, REQUIRING ITS REPLACEMENT. THIS INCIDENT OCCURRED WHILE I WAS DRIVING AT NIGHT ON A LIMITED ACCESS ROAD WITHOUT SHOULDERS. I NEEDED TO GO SEVERAL HUNDRED YARDS, AT MOST, TO PULL OFF ROAD FOR SAFETY. AUDI'S 3-YEAR WARRANTY HAD …

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RAPID AND CATASTROPHIC FAILURE OF WATER PUMP DISRUPTED TIMING CHAIN AND LED TO SEVERE DAMAGE TO ENGINE, REQUIRING ITS REPLACEMENT. THIS INCIDENT OCCURRED WHILE I WAS DRIVING AT NIGHT ON A LIMITED ACCESS ROAD WITHOUT SHOULDERS. I NEEDED TO GO SEVERAL HUNDRED YARDS, AT MOST, TO PULL OFF ROAD FOR SAFETY. AUDI'S 3-YEAR WARRANTY HAD EXPIRED, AND SO IT OFFERED NO HELP, DESPITE LOW MILEAGE AND REGULAR MAINTENANCE OF THE CAR.

NHTSA ODI #10070980

48,000 miles · Dec 3, 2003
Engine And Engine Cooling

THE TIMING BELT FAILED AT 48,000 MILES CAUSING MAJOR ENGINE DAMAGE. ALL SOURCES STATE THIS BELT DOES NOT HAVE TO BE REPLACED UNTIL 90,000-105,000 MILES. *NLM

NHTSA ODI #10049095

69,000 miles · Aug 5, 2003
Engine And Engine Cooling

MY TIMING BELT FAILED AT 69000 MILES AND CAUSED ENGINE DAMAGE (REPLACEMENT OF HEADS). TOTAL REPAIR COST CAME TO $4000. SEEMS TO BE A COMMON FAILURE PRIOR TO THE RECOMMENDED 90K CHANGE INTERVAL. I TRIED SCHEDULING THE CHANGING OF THE TIMING BELT AT 6800 MILES BUT WAS TOLD TO WAIT BY AN AUDI SERVICE DEPARTMENT. CURRENTLY WORKI…

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MY TIMING BELT FAILED AT 69000 MILES AND CAUSED ENGINE DAMAGE (REPLACEMENT OF HEADS). TOTAL REPAIR COST CAME TO $4000. SEEMS TO BE A COMMON FAILURE PRIOR TO THE RECOMMENDED 90K CHANGE INTERVAL. I TRIED SCHEDULING THE CHANGING OF THE TIMING BELT AT 6800 MILES BUT WAS TOLD TO WAIT BY AN AUDI SERVICE DEPARTMENT. CURRENTLY WORKING WITH AUDI FOR REPAYMENT.*AK

NHTSA ODI #10030852

91,000 miles · Jul 24, 2003
Engine And Engine Cooling

THE VW/AUDI 1.8T ENGINE HAS BEEN EXPERIENCING AN ALARMING NUMBER OF PREMATURE TIMING BELT FAILURES, CAUSING INSTANTANEOUS POWER FAILURE AND CATASTROPHIC VALVE TRAIN DAMAGE. (SEARCH AUDIWORLD.COM FOR TIMING BELT FAILURE.) FAILURES HAVE OCCURRED AS LOW AS 45K MILES. MINE WENT AT 90K MILES ALTHOUGH THE SERVICE MANUAL MAKES NO MENTI…

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THE VW/AUDI 1.8T ENGINE HAS BEEN EXPERIENCING AN ALARMING NUMBER OF PREMATURE TIMING BELT FAILURES, CAUSING INSTANTANEOUS POWER FAILURE AND CATASTROPHIC VALVE TRAIN DAMAGE. (SEARCH AUDIWORLD.COM FOR TIMING BELT FAILURE.) FAILURES HAVE OCCURRED AS LOW AS 45K MILES. MINE WENT AT 90K MILES ALTHOUGH THE SERVICE MANUAL MAKES NO MENTION OF SCHEDULED REPLACEMENT. IF THIS HAD HAPPENED WHILE PASSING OR ON THE INTERSTATE, A SERIOUS ACCIDENT COULD HAVE OCCURRED. THESE VEHILCLES SHOULD BE RECALLED OR AT LEAST AUDI SHOULD NOTIFY THE OWNERS OF THE PROBLEM. THE TIMING BELTS SHOULD BE REPLACED TO AVOID A POTENTIAL FATAL ACCIDENT. THERE IS ALSO A KNOWN TIMING BELT TENSIONER PROBLEM IN PRE-2000 MODEL YEAR CARS THAT CAUSES FAILURE. *AK

NHTSA ODI #10029082

Official recalls

4

20V056000 · Air Bags:frontal:driver Side:inflator Module

Jan 31, 2020

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 stabilized ammonium nitrate (PSAN) propellant. Due to a manufacturing issue, the NADI inflators may absorb moisture, possibly causing the air bag to deploy improperly in the event of a crash.

Consequence & remedy

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 contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69BT.

00V414000 · Steering:linkages:rod:relay:connecting

Dec 6, 2000

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 SEAL PROPERLY.

Consequence & remedy

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.

99V248000 · Steering:linkages:rod:relay:connecting

Sep 13, 1999

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 SEAL PROPERLY.

Consequence & remedy

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.

99V131001 · Service Brakes, Hydraulic:power Assist:vacuum:hoses, Lines/piping, And Fittings

May 21, 1999

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 CONDITIONS.

Consequence & remedy

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.

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

5

EA04017 · STUCK-OPEN Throttle

Opened Jun 30, 2004 · Closed Feb 10, 2005

Status: closed (inferred from source dates) · Fuel System, Gasoline:fuel Injection System

VWOA HAS RECALLED APPROXIMATELY 28,300 MY 1998-99 A6 VEHICLES IN COLD WEATHER STATES THAT EXPERIENCED THE HIGHEST RATE OF THROTTLE ICING INCIDENTS IN THE SUBJECT VEHICLES (04V-495).THE FAILURE RATE IN THE A4 AND PASSAT VEHICLES IS MUCH LOWER THAN IN THE RECALLED VEHICLES.ODI WILL CONTINUE TO MONITOR THE EXPERIENCE IN THE A4 AND PASSAT VEHICLES.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS FOR THE AUDI A4 OR VW PASSAT VEHICLES.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY A CHANGE IN CIRCUMSTANCES. FOR FURTHER DETAILS SEE THE ATTACHED CLOSING REPORT.

PE02008 · Brake And Clutch Pedal Bracket

Opened Jan 23, 2002 · Closed Jul 12, 2002

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

No summary supplied.

EA00021 · Degraded Braking In Wet Weather

Opened Aug 11, 2000 · Closed Mar 29, 2002

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

There is no summary currently available

PE00016 · Degraded Braking Wet Weather Condition

Opened Apr 4, 2000 · Closed Aug 11, 2000

Status: closed (inferred from source dates) · Electrical System

There is no summary currently available

RQ99008 · Power Brake Booster Vacuum BY-PASS

Opened Jun 1, 1999 · Closed Nov 14, 2000

Status: closed (inferred from source dates) · Service Brakes, Hydraulic

There is no summary currently available