THE CAR IS EXPERIENCING UNINTENDED ACCELERATION, USUALLY, BUT NOT ALWAYS, AFTER HEAVY ACCELERATION. OVER 10 OCCURRENCES. CANNOT REMEDY BY PULLING BACK THE ACCELERATOR. CAR MUST BE TURNED OFF AND THE ENGINE MUST RECORD 0 RPM TO REMEDY THE PROBLEM. *TR
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 reportsTHE EVENTS THAT LED TO THE FAILURE OF THE CAR IS WHEN IT STARTED TO THROW SMOKE FROM THE EXHAUST AND WE FOUND OUT ABOUT THE FAILURE WHEN WE TOOK IT THE MECHANIC WHO TOLD US THE ENGINE WAS NO GOOD. SO FAR IM LOOKING FOR A NEW ENGINE. *TR
1999 AUDI A4 2.8. THIRD TIME THE CAR NEEDS TO REPLACE LEAKING CAM SEALS ON ENGINE. ALL CAM SEAL REPAIRS COMPLETED BY ORIGINAL DEALER REPAIR DEPT. FIRST REPAIR WAS ONLY AT 39,000 MILES AND 6 MONTHS OFF OF WARRANTY, IN NOVEMBER 2003. 2ND REPAIR WAS ONLY TWO YEARS AND 30,000 MILES LATER, AT 69,000 MILES, IN FEBRUARY 2005. 3RD …
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1999 AUDI A4 2.8. THIRD TIME THE CAR NEEDS TO REPLACE LEAKING CAM SEALS ON ENGINE. ALL CAM SEAL REPAIRS COMPLETED BY ORIGINAL DEALER REPAIR DEPT. FIRST REPAIR WAS ONLY AT 39,000 MILES AND 6 MONTHS OFF OF WARRANTY, IN NOVEMBER 2003. 2ND REPAIR WAS ONLY TWO YEARS AND 30,000 MILES LATER, AT 69,000 MILES, IN FEBRUARY 2005. 3RD REPAIR NOW NEEDED, ONLY AFTER 35,000 MILES LATER, AT 105,000 MILES. I HAVE READ THAT THIS IS AN ONGOING PROBLEM WITH THE A4 MODEL MANUFACTURED OVER THE COURSE OF SEVERAL YEARS, INCLUDING 1999, AND THAT THE CAM SEALS SHOULD LAST MUCH LONGER THAN 35,000 MILES. AUDI CORPORATE REFUSED TO ASSIST WITH EXPENSES WITH THE 2ND REPAIR. I AM IN DISCUSSIONS WITH AUDI CORPORATE ABOUT THE EXPENSES FOR THE 3RD REPAIR. SINCE THIS IS A PERSISTENT PROBLEM WITH MY VEHICLE, AND AS I'VE READ, MANY OTHER 1999 A4S, I ENCOURAGE THE NHTSA TO RESEARCH THIS CAM SEAL ENGINE DEFECT, AND ISSUE A DEFECT RECALL. I HAD SUBMITTED THE SAME REQUEST SEVERAL YEARS AGO, WHEN THE FIRST INCIDENT OCCURRED. THANK YOU. KAREN BLUMENFELD *TR
A4 TIMING BELT FAILURE IN 1998 QUATRO MODELS. *TR
AT 51,000 MILES I HAD THE CATALYTIC CONVERTER REPLACED ON MY AUDI UNDER WARRANTY DUE TO A BROKEN PIPE FLANGE. I NOW HAVE 102,000 ON THE AUDI AND THE SAME PART IS BROKEN. AUDI USA WILL NOT REPLACE OR REPAIR THIS PART. I FEEL IT MUST BE A DEFECT IN THE WORKMANSHIP OR MATERIALS SINCE A CATALYTIC CONVERTER SHOULD NOT BE REPLACED UN…
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AT 51,000 MILES I HAD THE CATALYTIC CONVERTER REPLACED ON MY AUDI UNDER WARRANTY DUE TO A BROKEN PIPE FLANGE. I NOW HAVE 102,000 ON THE AUDI AND THE SAME PART IS BROKEN. AUDI USA WILL NOT REPLACE OR REPAIR THIS PART. I FEEL IT MUST BE A DEFECT IN THE WORKMANSHIP OR MATERIALS SINCE A CATALYTIC CONVERTER SHOULD NOT BE REPLACED UNTIL IT IS WORN OUT AND NOT BEFORE THEN. THIS IS PART OF THE EMISSIONS SYSTEM AND THE EPA SHOULD ALSO KNOW ABOUT THIS. *JB
TIMING BELT FAILED AT 64000 MILES AND CAUSED ENGINE DAMAGE (REPLACEMENT OF HEADS). TOTAL REPAIR COST CAME TO $4000. TWO WEEKS BEFORE THE ACCIDENT I HAD A FULL INSPECTION BY AUDI AND SPECIFICALLY ASKED AUDI SERVICE REP IF I NEEDED TO CHANGE THE BELT. I WAS TOLD NOT WORRY SINCE AUDI RECOMMENDS 90K CHANGE INTERVAL (AND EVEN 105K O…
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TIMING BELT FAILED AT 64000 MILES AND CAUSED ENGINE DAMAGE (REPLACEMENT OF HEADS). TOTAL REPAIR COST CAME TO $4000. TWO WEEKS BEFORE THE ACCIDENT I HAD A FULL INSPECTION BY AUDI AND SPECIFICALLY ASKED AUDI SERVICE REP IF I NEEDED TO CHANGE THE BELT. I WAS TOLD NOT WORRY SINCE AUDI RECOMMENDS 90K CHANGE INTERVAL (AND EVEN 105K ON THE NEWER MODELS). CAR WAS A FEW MONTHS OUT OF WARRANTY. AUDI USA AND THE LOCAL AUDI DEALER WHO RECOMMENDED NOT TO CHANGE THE BELT REFUSED TO PAY FOR THE REPAIR. *NM
I OWN AN 1999 AUDI A4 1.8T. ON NOVEMBER 19, 2005, I TOOK MY AUDI TO TYSON'S CORNER AUDI DEALER IN TYSON'S CORNER, VA. AT THE TIME, MY CAR HAD 79,000 MILES AND THE DEALER CASUALLY MENTIONED THAT I NEED TO HAVE MY TIMING BELT REPLACED AT 90,000 MILES. THE DEALER DID NOT INFORM ME OF ANY OTHER PROBLEMS WITH MY CAR. SUBSEQUE…
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I OWN AN 1999 AUDI A4 1.8T. ON NOVEMBER 19, 2005, I TOOK MY AUDI TO TYSON'S CORNER AUDI DEALER IN TYSON'S CORNER, VA. AT THE TIME, MY CAR HAD 79,000 MILES AND THE DEALER CASUALLY MENTIONED THAT I NEED TO HAVE MY TIMING BELT REPLACED AT 90,000 MILES. THE DEALER DID NOT INFORM ME OF ANY OTHER PROBLEMS WITH MY CAR. SUBSEQUENTLY, I DROVE MY CAR. THEN A FEW WEEKS LATER WHEN I WAS DRIVING MY CAR AT 65 MPH ON THE HIGHWAY, THE TIMING BELT SUDDENLY GAVE OUT AND THE CAR ENGINE DIED ON THE SPOT. I COULD HAVE ALSO BEEN KILLED ON THE SPOT. AT THIS TIME, MY CAR HAD 80,000 MILES, NO WHERE NEAR 90,000 MILES THAT THE DEALER CASUALLY MENTIONED. I AM WRITING TO YOU TO INFORM YOU OF THIS MALFUNCTIONING TIMING BELT PROBLEM. THE TIMING BELT DAMAGED THE ENGINE AND THE DEALER IS QUOTING ME $7,700 FIXED MY CAR. WHEN I ASKED ABOUT THE WARRANTY WITH THE TIMING BELT, THE DEALER DENIED ANY WRONG DOING, FALSELY INFORMED ME THAT THERE IS NO WARRANTY ASSOCIATED WITH TIMING BELT, AND ABOVE ALL ASKED ME TOW MY CAR IF I WAS NOT GOING TO HAVE IT REPAIRED AT THE DEALER. I AM FULLY AWARE OF THE CLASS ACTION LAW SUIT ON 1997-99 AUDI A4 FOR THE MALFUNCTIONING TIMING BELT. YET, THE DEALER DENIES ANY WRONGDOING AND EVEN FALSELY INFORMED ME THAT THERE ARE NO WARRANTY ASSOCIATED WITH TIMING BELT. WHEN I CALLED AUDI USA CUSTOMER SERVICE, THE CUSTOMER SERVICE REPRESENTATIVE ALSO FAILED TO MENTION ANY WARRANTY BUT RATHER INFORMED ME THAT THEY CANNOT DO MUCH. THEY CALLED THE DEALER ON MY BEHALF, BUT AUDI USA WAS NOT WILLING TO DO ANYTHING FURTHER ONCE THE DEALER DENIED ANY RESPONSIBILITY. MY CAR IS STILL DAMAGED WITH NO ENGINE. DUE TO THE CLASS ACTION SUIT, I BELIEVE THAT AUDI USA NOT ONLY NEEDS TO FIX MY CAR AT NO COST BUT ALSO PLACE A RECALL ON ALL 1997-99 AUDI A4 TO PREVENT POTENTIAL LETHAL CAR ACCIDENTS. HENCE, I AM CONTACTING THE NATIONAL HIGHWAY TRAFFIC ASSOCIATION, WHICH OVERSEES ALL RECALLS AND HAS BEEN DOCUMENTING THIS TIMING BELT ISSUE WITH AUDI. *NM
DT: THE CONTACT STATED THE TIMING BELT BROKE WHILE DRIVING. AS A RESULT, THE ENGINE HEAD I BROKE. THE VEHICLE WAS TOWED TO THE DEALERSHIP FOR INSPECTION. THE DEALER CONFIRMED THAT THE TIMING BELT BROKE. THE VEHICLE IS NOW AWAITING REPAIRS. *AK
VEHICLE WAS MAKING A RIGHT HAND TURN AT 15 MPH WHEN THE OWNER NOTICED THAT THE VEHICLE WAS MAKING A LOUD NOISE. CONSUMER PARKED THE VEHICLE AND HAD IT TOWED TO A DEALER. RESULTS SHOWED THAT THE TIMING TENSION ROD BROKE, WHICH CAUSED THE ENGINE TO FAIL.*AK
THE TIMING CHAIN ON MY 1999 AUDI A-4 1.8 TURBO WITH 76,000 MILES BROKE AS I WAS DRIVING ON A BUSY FREEWAY DURING RUSH HOUR, LEAVING ME A A POTENTIALLY DANGEROUS SITUATION. FORTUNATELY, MY CAR WAS NOT HIT BY OTHER CARS. AS A RESULT, HOWEVER, THE ENGINE AND TRANSMISSION AS WELL AS THE TIMING CHAIN WERE ALL TRASHED. THE MANUFA…
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THE TIMING CHAIN ON MY 1999 AUDI A-4 1.8 TURBO WITH 76,000 MILES BROKE AS I WAS DRIVING ON A BUSY FREEWAY DURING RUSH HOUR, LEAVING ME A A POTENTIALLY DANGEROUS SITUATION. FORTUNATELY, MY CAR WAS NOT HIT BY OTHER CARS. AS A RESULT, HOWEVER, THE ENGINE AND TRANSMISSION AS WELL AS THE TIMING CHAIN WERE ALL TRASHED. THE MANUFACTURER RECOMMENDS REPLACING THE TIMING CHAIN AT 90,000 MILES, BUT AUDI OF NORTH AMERICA TOLD ME THAT THEY NOIW RECOMMEND REPLACEMENT AT 70,000 OR 75,000. THEY DID NOT RECOMMEND IT TO ME OR TO THE DEALER WHERE MY CAR HAS BEEN SERVICED (FOLLOWING ALL THE MANUFACTURERS RECOMMENDATIONS) AND THE LOCAL AUDI DEALER SAID THAT SINCE THE WARRANTY HAD EXPIRED THEY WOULD DO NOTHING.*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
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