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
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.
About this comparison →How this year compares
Owner complaints by model year
Compare all A4 years →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
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.
Engine And Engine Cooling complaints
28 reportsAFTER STARTING THE VEHICLE A FIRE BROKE OUT INSIDE THE ENGINE COMPARTMENT. DEALERSHIP WAS NOTIFIED, BUT DID NOT RESOLVE THE PROBLEM. *AK
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
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
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
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.
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.
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
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
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
Official recalls
420V056000 · 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
5EA04017 · 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
Illustration