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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

What owners actually said

258 reports
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…

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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

45,000 miles · Jan 4, 2004
Service Brakes, Hydraulic

THE ABS SYSTEM DOES NOT WORK. THE ABS MIL WOULD COME ON AT RANDOM AND STAY ON. NOW IT IS ON ALL THE TIME THE IGNITION IS TURNED ON. *LA

NHTSA ODI #10052371

75,000 miles · Dec 18, 2003
Visibility

MY HEATER RECENTLY QUIT BLOWING HOT AIR. THE VEHICLE HAS 75K000 MILES AND IS LESS THAN 5 YEARS OLD. I AM TOLD IT IS THE HEATER CORE. THIS SEEMS ODD AS A HEATER CORE SHOULD NEVER GO BAD OVER A 5 YEAR PERIOD. THE LABOR IS 14 HOURS OR ABOUT $1,200. THEN, I WAS MADE AWARE THAN THE AUDI DEALER STOCKS HEATER CORES. THIS SEEMS EV…

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MY HEATER RECENTLY QUIT BLOWING HOT AIR. THE VEHICLE HAS 75K000 MILES AND IS LESS THAN 5 YEARS OLD. I AM TOLD IT IS THE HEATER CORE. THIS SEEMS ODD AS A HEATER CORE SHOULD NEVER GO BAD OVER A 5 YEAR PERIOD. THE LABOR IS 14 HOURS OR ABOUT $1,200. THEN, I WAS MADE AWARE THAN THE AUDI DEALER STOCKS HEATER CORES. THIS SEEMS EVEN MORE ODD AS IT SHOULD NOT BE HAPPENING ENOUGH FOR THE DEALER TO WANT TO STOCK THE PART. I HAVE HAD OTHER THINGS GO WRONG ON THE CAR AND THEY ALMOST NEVER STOCK THE PART. THIS LEADS ME TO BELIEVE THAT THIS HAPPENS AND AWFUL LOT. THIS PART SHOULD NOT HAVE THAT TYPE OF FAILURE RATE.*AK

NHTSA ODI #10050728

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

79,000 miles · Oct 9, 2003
Air Bags

THE PASSENGER SIDE ARBAG DEPLOYED UNEXPECTEDLY WHILE DRIVING ALONG AT 40-45MPH ON A SECONDARY ROAD. THERE WAS NO COLLISION AT THE TIME AND NO EVIDENCE OF POTHOLES OR ROAD DEBRIS. THE DEALER SCANNED THE COMPUTER AND RETRIEVED "CRASH DATA" AND CLAIMED THAT THE AIRBAG SYSTEM WORKED AS EXPECTED. THEY NOTED A SMALL DENT UNDER THE …

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THE PASSENGER SIDE ARBAG DEPLOYED UNEXPECTEDLY WHILE DRIVING ALONG AT 40-45MPH ON A SECONDARY ROAD. THERE WAS NO COLLISION AT THE TIME AND NO EVIDENCE OF POTHOLES OR ROAD DEBRIS. THE DEALER SCANNED THE COMPUTER AND RETRIEVED "CRASH DATA" AND CLAIMED THAT THE AIRBAG SYSTEM WORKED AS EXPECTED. THEY NOTED A SMALL DENT UNDER THE PASSENGER SIDE DOOR COLUMN OF THE CAR WHICH THEY CLAIMED WAS CAUSED BY ROAD DEBRIS AND TRIGGERED THE AIRBAG SYSTEM. THEY REFERRED ME TO MY INSURANCE COMPANY. THE INSURANCE COMPANY ADJUSTER EXAMINED THE CAR AND FOUND NO EVIDENCE OF A COLLISION - NO DENT OR OTHER DAMAGE THAT WOULD CAUSE THE AIRBAG TO DEPLOY. AS A RESULT, THE ENTIRE AIRBAG SAFETY SYSTEM IN THE CAR IS DISABLED. *LA

NHTSA ODI #10041549

101,500 miles · Oct 7, 2003
Service Brakes, Hydraulic

ABS CONTROL MODULE FAILURE AND INACTIVE, WHICH IS AN INTERMITTENT PROBLEM. *LA

NHTSA ODI #10041413

44,792 miles · Sep 30, 2003
Power Train

I WAS WONDERING IF YOU COULD OFFER ANY ADVICE. I HAVE A 1998 AUDI A4 THAT WAS PURCHASED IN JULY, 1997 AND HAS APPROXIMATELY 45,000 ROAD MILES. IT HAS HAD A NUMBER OF PROBLEMS THROUGH THE YEARS, THE MOST RECENT OF WHICH WAS A BROKEN (NOT WORN) CLUTCH THAT WAS REPAIRED LAST MONTH. I CONTACTED AUDI USA AND REQUESTED THAT THEY HE…

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I WAS WONDERING IF YOU COULD OFFER ANY ADVICE. I HAVE A 1998 AUDI A4 THAT WAS PURCHASED IN JULY, 1997 AND HAS APPROXIMATELY 45,000 ROAD MILES. IT HAS HAD A NUMBER OF PROBLEMS THROUGH THE YEARS, THE MOST RECENT OF WHICH WAS A BROKEN (NOT WORN) CLUTCH THAT WAS REPAIRED LAST MONTH. I CONTACTED AUDI USA AND REQUESTED THAT THEY HELP PAY FOR THIS VERY EXPENSIVE REPAIR. THEY REFUSED, STATING THAT THE CAR IS WELL OUTSIDE THEIR 3 YEAR/36,000 MILE WARANTY PERIOD. I GRANT THEM THAT, BUT A NUMBER OF OTHER MANUFACTURERS HAVE 7 OR EVEN 10 YEAR POWERTRAIN WARRANTIES. MY OVERALL SATISFACTION WITH THIS VEHICLE IS AT AN ALL-TIME LOW. ADDITIONALLY, I BELIEVE THAT A BROKEN CLUTCH COULD CAUSE SERIOUS PERSONAL HARM IF IT WERE TO RESULT IN TOTAL CLUTCH FAILURE WHILE ON THE ROAD AND SUBSEQUENT LOSS OF CONTROL (MY CLUTCH APPARENTLY FAILED "PARTIALLY" ALLOWING ME TO DRIVE THE VEHICLE TO AN AUDI REPAIR FACILITY). ARE THERE ANY OPTIONS FOR FURTHER PURSUIT OF THIS ISSUE? THANK YOU FOR YOUR TIME. ROBERT A. WEATHERLY, MD

NHTSA ODI #10040983

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…

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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…

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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

Mileage unknown · Sep 2, 2003
Electrical System

DASH LIGHTS COME ON WITH EITHER THE IGNITION OR PHOTO SENSOR. *PH THIS DESIGN MAKES THE CONSUMER THINK THAT THE VEHICLE'S HEADLIGHTS ARE ON ALTHOUGH THEY ARE NOT. *NM

NHTSA ODI #10038156

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