IllustrationBRAKES DO NOT RESOND FOR A COUPLE OF SECONDS WHEN DRIVING AT HIGHWAY SPEEDS IN WET ROAD CONDITIONS
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 →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
10–25K
825–50K
2750–75K
3875–100K
20100–150K
8150K+
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
Service Brakes, Hydraulic complaints
112 reportsCAR ALWAYS HAS A DELAYED RESPONSE WHEN APPLYING BRAKES WHEN THEY ARE WET.*AK
CRUISE CONTROL INOPERATIVE.DURING HIGH SPEED BRAKING CAR SHIMMIES AND HOPS. PROBLEM BEGAN AFTER SERVICED BY AUDI AS PER AUDI BRAKE RECALL. IN THE LAST 12 MONTHS MY AUDI HAS SPENT 2 MONTHS AT THE DEALERSHIP FOR REPAIRS. THIS VEHICLE IS A LEMON.*AK
DURING RAINY WEATHER THE BRAKES HAVE A VERY PRONOUNCED DELAY FROM APPLICATION TO ENGAGEMENT DUE TO WET ROTORS, THE DELAY IS BETWEEN 1 AND 2 SECONDS. THIS IS NOT AN INTERMITTENT PROBLEM, IT HAPPENS WHENEVER IT RAINS AT A MODERATE TO HEAVY AMOUNT. *AK
WHEN APPLYING BRAKES AFTER DRIVING FOR EXTENDED DISTANCE, BRAKES FAIL ON FIRST APPLYING, BUT RETURN TO NORMAL IF PUMPED. *YH
WHEN DRIVING IN THE RAIN, THE BRAKES DO NOT IMMEDIATELY GRAB. THERE IS A ONE HALF TO ONE SECOND DELAY BEFORE THE BRAKES BECOME EFFECTIVE. IT IS ESPECIALLY NOTICABLE ON THE HIGHWAY WHEN YOU HAVE NOT TOUCHED THE BRAKES IN SEVERAL MILES. THE ROTORS OBVIOUSLY GET WET AND ARE NOT ABLE TO GENERATE ENOUGH HEAT TO SLOW THE CAR INITIA…
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WHEN DRIVING IN THE RAIN, THE BRAKES DO NOT IMMEDIATELY GRAB. THERE IS A ONE HALF TO ONE SECOND DELAY BEFORE THE BRAKES BECOME EFFECTIVE. IT IS ESPECIALLY NOTICABLE ON THE HIGHWAY WHEN YOU HAVE NOT TOUCHED THE BRAKES IN SEVERAL MILES. THE ROTORS OBVIOUSLY GET WET AND ARE NOT ABLE TO GENERATE ENOUGH HEAT TO SLOW THE CAR INITIALLY. THE DEALER TAKES THE POSITION THAT THIS IS NORMAL AND, ALTHOUGH I KNOW OTHERS WITH THIS PROBLEM WHO HAVE HAD THEIR CARS INSPECTED BY AUDI, THEY HAVE DONE NOTHING TO ADDRESS THE ISSUE. I BELIEVE IT TO BE A GLARING SAFETY DEFECT ON AN OTHERWISE WELL BUILT AND SAFE CAR.*AK
BRAKING IS DELAYED 3-4 SECONDS IN RAIN AND OR SNOW CONDITIONS. ADDITIONAL PRESSURE IS REQUIRED TO STOP VEHICLE. *AK
WHILE BACKING OUT OF DRIVEWAY THERE WERE NO BRAKES. VEHICLE WAS TOWED TO AUTOMOBILE SHOP, AND MECHANIC VERIFIED THAT WHEEL ITSELF RUBBED BRAKE LINE EVERY TIME VEHICLE WAS TURNED TO LEFT, WEARING A HOLE IN LINE, AND CAUSING BRAKE FAILURE. *AK
REDUCED BRAKE PERFORMANCE WHEN DRIVING IN RAIN OR WET CONDITION. ESPECIALLY WHEN DRIVING FOR LONG PERIODS WITHOUT APPLYING BRAKE (I.E. LONG DISTANCE HIGHWAY DRIVES) YOU NEED TO PUT A LOT OF PRESSURE ON THE BRAKE PEDAL TO GET SUFFICIENT STOPPING POWER. IT'S STARTLING FOR THE DRIVER TO HAVE TO PUSH THE PEDAL DOWN THAT FAR.*AK
CAR QUIT RUNNING. WOULD NOT RESTART. BRAKES SQUEEK AND GRIND REVEALING EXCESSIVE AND PREMATURE WEAR.
Official recalls
422V471000 · 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
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