← New search

1998 Audi A4

Owner reports · Recalls · Investigations

More warning signs than most A4 years

Owner complaints for the 1998 Audi A4 are substantially higher than the model-year median of 76.5.

About this comparison →

When problems were reported

Mileage at the reported incident

102 reports with mileage · 156 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 112 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 →
  • Suspension. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

6 crash reports2 fire reports10 injury reports

Engine And Engine Cooling complaints

28 reports
Clear category filter
65,853 miles · Feb 2, 2004
Engine And Engine Cooling

IN VERY COLD WEATHER, THE ENGINE STICKS AND HOLDS A SPEED OF 6,000 RPM. THIS CONDITION LASTS FOR AT LEAST 40 MINUTES DURING WHICH TIME THE CAR IS NOT CONTROLLABLE. I HAVE HAD THIS HAPPEN FOUR TIMES. I HAVE INVOLVED THE LOCAL AUDI DEALER AS WELL AS AUDI OF AMERICA. THEY HAVE ATTEMPTED TO FIX THIS PROBLEM FOUR TIMES WITHOUT SUCCES…

Read full complaint

IN VERY COLD WEATHER, THE ENGINE STICKS AND HOLDS A SPEED OF 6,000 RPM. THIS CONDITION LASTS FOR AT LEAST 40 MINUTES DURING WHICH TIME THE CAR IS NOT CONTROLLABLE. I HAVE HAD THIS HAPPEN FOUR TIMES. I HAVE INVOLVED THE LOCAL AUDI DEALER AS WELL AS AUDI OF AMERICA. THEY HAVE ATTEMPTED TO FIX THIS PROBLEM FOUR TIMES WITHOUT SUCCESS. AUDI OF AMERICA IS REFUSING TO EITHER ACKNOWLEDGE OR TAKE RESPONSIBILITY FOR THIS PROBLEM. THE FIRST TIME THIS HAPPENED WAS ON JAN 16, 2003. THE LAST TIME IT HAS HAPPENED WAS JAN 16, 2004. *JB

NHTSA ODI #10056303

54,380 miles · Jan 10, 2004
Engine And Engine Cooling

SUDDEN & CATASTROPHIC FAILURE OF BEARING/PULLEY OF MAIN TIMING BELT, WHILE DRIVING AT 70 MPH ON A BUSY INTERSTATE HIGHWAY. VEHICLE HAD FEWER THAN 55K MILES ON ODOMETER AND WAS WELL MAITAINED.*AK SUCH FAILURE CAN CAUSE INSTANTANEOUS DESTRUCTION OF THE ENGINE, WITH RESULTANT LOSS OF CONTROL AND/OR SUDDEN AND RAPID DECCELERATIO…

Read full complaint

SUDDEN & CATASTROPHIC FAILURE OF BEARING/PULLEY OF MAIN TIMING BELT, WHILE DRIVING AT 70 MPH ON A BUSY INTERSTATE HIGHWAY. VEHICLE HAD FEWER THAN 55K MILES ON ODOMETER AND WAS WELL MAITAINED.*AK SUCH FAILURE CAN CAUSE INSTANTANEOUS DESTRUCTION OF THE ENGINE, WITH RESULTANT LOSS OF CONTROL AND/OR SUDDEN AND RAPID DECCELERATION, POSSIBLY CAUSING A CATASTROPHIC COLLISION. THE LOSS OF THE BEARING CAUSES THE MAIN TIMING BELT TO SHIFT POSITION AND/OR TO SNAP, CAUSING THE ENGINE VALVES TO MOVE OUT-OF-SYNC WITH THE ENGINE PISTONS OR TO STOP MOVING ALTOGETHER. THE PISTONS THEN COLLIDE WITH THE VALVES, CAUSING ENGINE DESTRUCTION. FAILURE OCCURS WITHOUT WARNING AND INSTANTANEOUSLY. THERE ARE NO SIGNS OF IMPENDING FAILURE THAT ONE CAN OBSERVE DURING A VEHICLE INSPECTION. IN MY CASE, ENGINE FAILURE DID NOT OCCUR, BUT THERE WAS A LOSS OF POWER. I WAS ABLE TO DRIVE DIRECTLY TO A DEALER FOR REPAIR. THE TECHNICIAN WHO DID THE REPAIR SAID THAT, IN MY CASE, I WAS EXTREMELY LUCKY AND THAT ONLY SLIPPAGE HAD OCCURED, AND THAT THE SLIPPAGE WAS JUST BELOW THE POINT AT WHICH ENGINE DESTRUCTION WOULD HAVE OCCURRED. THIS TECHNICIAN WAS FROM GERMANY (AS WAS THE VEHICLE), AND HE SAID THAT PREMATURE FAILURE OF THIS BEARING (AND/OR ASSOCIATED WATER PUMP) IS A COMMON PROBLEM WITH THIS VEHICLE. HE ALSO SAID THAT IN GERMANY A RECALL WAS ORDERED BY THE GOVERNMENT AS THEY CONSIDERED THE FAILURE PREMATURE, FREQUENT, AND THAT IT COULD RESULT IN SERIOUS INJURY OR DEATH, AS THE ENGINE COULD EASILY DESTRUCT AT HIGHWAY SPEEDS, CAUSIG A COLLISION. AN INTERNET SEARCH REVEALS DOZENS OF REPORTS OF PREMATURE FAILURE OF THIS BELT/PULLEY/WATER-PUMP SYSTEM ON THIS VEHICLE. (1998 AUDI A4 2.8L QUATTRO AUTOMATIC)

NHTSA ODI #10052778

76,000 miles · Jan 8, 2004
Engine And Engine Cooling

1998 AUDI A4 1.8T FULLY MAINTAINED TIMING BELT FAILURE CAUSING CATASTROPHIC ENGINE DAMAGE. SERVICE MANUAL CALLS FOR TIMING BELT REPLACEMENT AT 90,000 MILES. FAILURE OCCURRED AT 76,000 MILES. AUDI USA REFUSAL TO GATHER SERVICE INFO OR COMPENSATE FOR LOSS AND PROVIDED NO AVENUE FOR APPEAL OR ESCALATION OF THE CASE. AUDI U…

Read full complaint

1998 AUDI A4 1.8T FULLY MAINTAINED TIMING BELT FAILURE CAUSING CATASTROPHIC ENGINE DAMAGE. SERVICE MANUAL CALLS FOR TIMING BELT REPLACEMENT AT 90,000 MILES. FAILURE OCCURRED AT 76,000 MILES. AUDI USA REFUSAL TO GATHER SERVICE INFO OR COMPENSATE FOR LOSS AND PROVIDED NO AVENUE FOR APPEAL OR ESCALATION OF THE CASE. AUDI USA HAD MADE NO EFFORT TO INFORM DRIVERS OF THIS PROBLEM. *LA

NHTSA ODI #10052679

50,000 miles · Dec 3, 2003
Engine And Engine Cooling

I DISCOVERED A SIGNIFICANT ENGINE OIL LEAK IN MULTIPLE LOCATIONS AT 50K MILES. *NLM

NHTSA ODI #10049140

Mileage unknown · Sep 9, 2003
Engine And Engine CoolingParking BrakeVisibility

IN MARCH 2003, THE OIL WARNING LIGHT CAME ON. DEALER DIAGNOSED A FAULTY SENSOR THAT WAS REPLACED FOR $300. IN JUNE 2003, THE OIL WARNING LIGHT AGAIN CAME ON. THIS TIME IT WAS DIAGNOSED AS A FAULTY OIL PUMP THAT WAS REPLACED AT $900. IN SEPTEMBER 2003 THE ENGINE OVERHEATED. DIAGNOSIS: FAULTY THERMOSTAT AND SENSOR. REPLACEM…

Read full complaint

IN MARCH 2003, THE OIL WARNING LIGHT CAME ON. DEALER DIAGNOSED A FAULTY SENSOR THAT WAS REPLACED FOR $300. IN JUNE 2003, THE OIL WARNING LIGHT AGAIN CAME ON. THIS TIME IT WAS DIAGNOSED AS A FAULTY OIL PUMP THAT WAS REPLACED AT $900. IN SEPTEMBER 2003 THE ENGINE OVERHEATED. DIAGNOSIS: FAULTY THERMOSTAT AND SENSOR. REPLACEMENT COST $750. ALSO, WASHER FLUID CONTAINER CRACKED AND HAND BRAKE LEVER HANDLE CRACKED (AT DIFFERENT TIMES) -- BOTH MADE OF CHEAP QUALTIY PLASTIC.*AK

NHTSA ODI #10037535

Mileage unknown · Sep 6, 2003
Engine And Engine CoolingService Brakes, HydraulicSuspension

MULTITUDE OF PROBS. W/ ALMOST EVERY ASPECT (BRAKES, ENGINE VALVES, OIL LIGHT STAYS ON, RAIN LEAKS, BAD WHEEL BEARINGS, ETC.) OF THIS CAR. MOST FRUSTRATING HAS BEEN RUDE AND INCOMPETENT SERVICE BY AUDI DEALER. AFTER AN EXPENSIVE REPAIR TO THE REAR WHEEL BEARINGS THE DEALER SAID THAT ALTHOUGH NOT ALL THE NOISE WAS GONE, THE CAR W…

Read full complaint

MULTITUDE OF PROBS. W/ ALMOST EVERY ASPECT (BRAKES, ENGINE VALVES, OIL LIGHT STAYS ON, RAIN LEAKS, BAD WHEEL BEARINGS, ETC.) OF THIS CAR. MOST FRUSTRATING HAS BEEN RUDE AND INCOMPETENT SERVICE BY AUDI DEALER. AFTER AN EXPENSIVE REPAIR TO THE REAR WHEEL BEARINGS THE DEALER SAID THAT ALTHOUGH NOT ALL THE NOISE WAS GONE, THE CAR WAS SAFE ENOUGH TO DRIVE TO CALIF.,(WE LIVE IN NJ). WE DID NOT BELIEVE THE DEALER BECAUSE A LOUD GRINDING NOISE REMAINED AND TOOK IT TO ANOTHER SHOP WHERE BOTH FRONT CONTROL ARMS WERE FOUND TO BE DAMAGED. WE WERE ADVISED NOT TO DRIVE THE CAR AS IT WAS NOT SAFE TO DO SO . *AK

NHTSA ODI #10037337

75,000 miles · Jul 25, 2003
Engine And Engine Cooling

AUDI A4 1.8T Q TIMING BELT TENSIONER FAILED AT 75,000 CAUSING CATASTROPHIC ENGINE DAMAGE. SERVICE INTERVAL PUBLISHED BY AUDI IS NO EARLIER THAN 90,000MI. TENSIONER FAILURE IS KNOWN DEFECT AND HAS BEEN REDESIGNED BY AUDI, YET AUDI WILL NOT ACKNOWLEDGE THE DEFECT. AUDI CLAIMS NO RESPONSIBILITY NOR HAVE THEY PUBLISHED ANY TSB AL…

Read full complaint

AUDI A4 1.8T Q TIMING BELT TENSIONER FAILED AT 75,000 CAUSING CATASTROPHIC ENGINE DAMAGE. SERVICE INTERVAL PUBLISHED BY AUDI IS NO EARLIER THAN 90,000MI. TENSIONER FAILURE IS KNOWN DEFECT AND HAS BEEN REDESIGNED BY AUDI, YET AUDI WILL NOT ACKNOWLEDGE THE DEFECT. AUDI CLAIMS NO RESPONSIBILITY NOR HAVE THEY PUBLISHED ANY TSB ALERTING PEOPLE TO HAVE THIS PART REPLACED EARLY. *AK

NHTSA ODI #10029161

Mileage unknown · Jul 10, 2003
Engine And Engine CoolingSteering

I AM THE OWNER OF A 1998 AUDI A4 1.8T CAR. MY COMPLAINT IS MY TIMING BELT GAVE OUT ON THE VEHICLE AT 48,643 MLS. THE OWNERS MANUAL STATES THAT THE BELT SHOULD BE GOOD FOR 90,000 MLS. MY SECOND COMLAINT IS THAT THE TIE RODS ON THE FRONT END. *AK OF THE VEHICLE NEED TO BE REPLACED. THESE ITEMS SHOULD NOT BE GIVING OUT ON A VEHICL…

Read full complaint

I AM THE OWNER OF A 1998 AUDI A4 1.8T CAR. MY COMPLAINT IS MY TIMING BELT GAVE OUT ON THE VEHICLE AT 48,643 MLS. THE OWNERS MANUAL STATES THAT THE BELT SHOULD BE GOOD FOR 90,000 MLS. MY SECOND COMLAINT IS THAT THE TIE RODS ON THE FRONT END. *AK OF THE VEHICLE NEED TO BE REPLACED. THESE ITEMS SHOULD NOT BE GIVING OUT ON A VEHICLE WITH SUCH LOW MILEAGE. I HAVE NOT RECEIVED ANY NOTICES ABOUT ANY RECALLS.

NHTSA ODI #10025792

42,000 miles · Apr 11, 2003
Engine And Engine Cooling

TIMING BELT TENSIONER FAILED CAUSING REPLACEMENT OF TIMING BELT AND TENSIONER AT 40000. KNOWN ISSUE WITH AUDI THAT TENSIONER FAILS AS THEY HAVE A REPLACEMENT KIT WITH NEW TYPE OF TENSIONER. YET, WILL NOT COVER COST OF REPLACEMENT OF FAILED TENSIONER OR TIMING BELT.*JB

NHTSA ODI #10014271

50,000 miles · Apr 3, 2003
Engine And Engine Cooling

ENGINE COOLANT TEMPERATURE SENSOR FAILED, LEAKING COOLANT INTO THE ENGINE CONTROL MODULE AND WIRE HARNESS, CAUSING SEVERAL THOUSAND DOLLARS OF DAMAGE

NHTSA ODI #10013910

Official recalls

4

22V471000 · Air Bags:frontal:driver Side:inflator Module

Jul 1, 2022

Volkswagen Group of America, Inc. (Audi) is recalling certain 1998 Audi A8 and 1997-1998 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 inflator may absorb moisture, causing the inflator to explode or the air bag cushion to underinflate.

Consequence & remedy

Consequence: The inflator could explode during air bag deployment, resulting in metal fragments striking the driver or other occupants. An underinflated air bag may not properly protect the occupant. These scenarios increase the risk of serious injury or death.

Remedy: Dealers will replace the driver's air bag inflator with an alternative inflator of a different design, free of charge. Owner notification letters were sent September 21, 2021. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 69BT. The vehicles in this recall were mistakenly omitted from recall 20V-056. All vehicle owners have already been notified by mail and informed that the remedy is available.

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.

98V134000 · Engine And Engine Cooling:cooling System

Jun 22, 1998

VEHICLE DESCRIPTION: PASSENGER VEHICLES. IF THE ENGINE BACKFIRES DURING A COLD-START, AN AIR SCREEN WHICH IS LOOSELY SEATED IN THE AIR FLOW METER CAN BECOME DAMAGED.

Consequence & remedy

Consequence: SCREEN PIECES COULD ENTER THE INTAKE AIR FLOW SYSTEM AND PREVENT THE THROTTLE PLATE FROM RETURNING TO ITS FULL IDLE POSITION.

Remedy: DEALERS WILL INSTALL A RETAINING RING TO HOLD THE AIR SCREEN IN PLACE.

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