There are 33 owner-reported engine complaints for the 2002 Audi A4in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2002 AUDI A4. THE CONTACT HEARD A TICKING NOISE COMING FROM THE TIMING BELT. AUDI BROOKLYN (665 65TH ST, BROOKLYN, NY 11220, (833) 448-2449) WAS CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 150,000. THE VIN WAS UNKNOWN.
WHILE DRIVING ON THE CITY STREET, THE ENGINE OVERHEATED AND SMOKE CAME OUT. STOPPED VEHICLE ON THE SIDE ROAD TO SEE WHAT'S HAPPENING. DROVE AFTER ENGINE HAS COOLED OFF TO THE NEXT BODY SHOP. DIAGNOSTIC: ENGINE COOLING IS LEAKING, WATER PUMP IS DEFECT. TIMING BELT WILL BE AFFECTED IF NOT REPLACED AS WELL.
WHILE DRIVING ON A CITY STREET, THE WHEEL STEERING SUDDENLY BLOCKED AND IT WAS NOT POSSIBLE TO STEER THE VEHICLE TO THE LEFT NOR TO THE RIGHT. MANAGED TO STOP THE VEHICLE ON THE STREET SHOULDER. DIAGNOSTIC AT THE BODY SHOP: POWER STEERING BELT BROKEN AND EVEN MISSING. NEED REPLACEMENT.
I AM WRITING REGARDING A SAD STORY ABOUT MY 2002 AUDI A4 QUATTRO 3.0 SEDAN . WHILE I REALIZE THAT THE CAR IS NOT NEW, AND WITH 152,000 MILES ON THE ROAD; I AM STILL DISAPPOINTED WITH THE SERIES OF EVENTS THAT HAS HAPPENED TO ME, NOT ONCE, BUT TWICE NOW! ABOUT A WEEK AGO, AS I TURNED THE ENGINE ON, I HEARD A LOUD KNOCKING LIKE SOMETHING HAD BEEN HIT AND FALLEN APART IN THE ENGINE. AT THE SAME TIME, THE CHECK ENGINE LIGHT CAME ON (FLASHING). I TOOK IT TO MY TRUSTED MECHANIC. AT THIS POINT, I AM THINKING THAT THE ISSUE WAS WITH A COIL ? BUT NOT REALLY SINCE THEY HAVE BEEN REPLACED AND NOT THAT LONG AGO, MIGHT I ADD! WHILE THE CAR WAS BEING INSPECTED, THE MECHANIC HEARD A NOISE COMING FROM CAMSHAFT ADJUSTERS. ONCE THEY OPENED THE CASE, THEY FOUND SCREWS LOSE THAT HAD LITERALLY FALLEN OFF AND BROKEN. THE CAMSHAFT ADJUSTMENT HOUSING WAS ALSO DAMAGED, AMONGST OTHER PARTS (I HAVE PICTURES). HOW CAN THIS BE POSSIBLE? AFTER ALL, THE BOLTS ARE ENCASED, AND IT IS NOT LIKE ANYONE MESSED WITH THEM. THE SAD PART IS THAT THE SAME HAD HAPPENED ON THE OTHER SIDE A YEAR AGO. *TR
TL* THE CONTACT OWNS A 2002 AUDI A4. THE CONTACT STATED THAT THE VEHICLE WOULD CONSTANTLY OVERHEAT WITHOUT PROPER WARNING. THE CONTACT REPLACED THE RADIATOR AND THERMOSTAT, BUT TO NO AVAIL. THE CONTACT TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC WHO ADVISED THAT THE PROBLEM WAS WITHIN THE ENGINE, BUT COULD NOT DETERMINE THE SPECIFIC CAUSE OF THE FAILURE. THE VEHICLE WAS NOT INSPECTED BY THE DEALER OR REPAIRED. THE FAILURE MILEAGE WAS UNKNOWN.
I WAS DRIVING DOWN GEORGIA AVENUE WHEN ALL OF A SUDDEN MY CAR BEGAN TO RIDE VERY ROUGH, A DASH LIGHT CAME ON AND THE ENGINE LOST COMPLETE POWER. I WAS ABLE TO START THE CAR UP AGAIN AND LUCKILY WAS ABLE TO COAST DOWN HILL TO MY HOME. (THE CAR IS A 5-SPEED) SMOKE WAS COMING OUT OF THE TAIL PIPE. I CALLED THE DEALER IN ROCKVILLE AND THEY SUGGESTED THAT IT WAS PROBABLY A COIL FAILURE. I HAD JUST HAD A COIL REPLACED IN FEBRUARY, WHEN A SIMILAR TYPE THING HAPPENED ON CONNECTICUT AVE. DURING RUSH HOUR TRAFFIC. THAT TIME I WAS ABLE TO COAST INTO A GAS STATION. THE CAR DIED WITH NO PREVIOUS WARNING. ALL FOUR COILS HAVE BEEN REPLACED (4 CYLINDER) WITH NO REIMBURSEMENT FROM AUDI BECAUSE THE CAR IS NO LONGER UNDER WARRANTY. I ASKED THE DEALER WHETHER THIS WAS ONE OF THE RECALL ITEMS THAT AUDI PUT NOTICE OUT ON AND THEY SAID NO. NOW THAT I READ THAT OTHERS HAVE HAD SIMILAR PROBLEMS WITH THEIR A4S IT SEEMS TO ME LIKE THIS IS A DEFECT IN THE SYSTEM AND SHOULD BE COVERED BY AUDI. AFTER ALL, MY DEALER TOLD ME THAT AUDI CHANGED THE COIL SYSTEM ON THE NEWER MODELS BECAUSE OF THE PROBLEM. *TR
A KNOWN DEFECT IN AUDI 1.8 TURBO OIL PUMP .AUDI FAILED TO RECALL THE AUTO ALTHOUGH THEY WERE AWARE OF PROBLEM SINCE 2001. RESULTED IN TOTAL ENGINE DESTRUCTION. AUDI,HONOLULU REFUSES TO REPAIR. THIS SAME COMPLAINT IS SUBJECT OF 5 CLASS ACTION CIVIL LAW SUITS ON MAINLAND. DURING AN OIL STARVATION ENGINE FAILURE, ENGINE EXPLODES, RISK TO DRIVER AND PUBLIC IS SIGNIFICANT AS NOTED BY CIVIL COURT MASSACHUSETTS DOCUMENT .AUDI IS DEFENDANT IN LAW SUIT WHICH LISTS. DECEPTION, AND FAILURE TO RECALL VEHICLE AS PRIME COMPLAINTS.... INJURY AND POTENTIAL LOSS OF LIFE WHEN ENGINE EXPLODES IS ALSO MENTIONED IN DOCUMENT.DOC. NO.06CV3513-JCL-MFDISTRICT OF MASSACHUSETTS1:06-CV-11875-JLT AKA PLAINTIFFS SECOND AMENDED CLASS ACTION. AUDI HAS NOT YET ALERTED ALL OWNERS OF THESE VEHICLES THAT A OIL PUMP DEFECT IN MODELS 1997-2004 CAN HAVE CATASTROPHIC OIL STARVATION AND EXPLOSION LEADING TO INJURY AND OR DEATH. I HAVE ASKED AUDI-HONOLULU WHY THEY DID NOT WARN OWNERS. THEY RESPOND "WE WERE NOT OBLIGATED TO DO SO" THIS ENGINE DEFECT NEARLY KILLED MY SON AND COULD INJURY OR KILL ANYONE SUBJECT TO ITS ENGINE SEIZURE/BURN UP. MICHAEL HEALY MD MPH *TR
WATER PUMP BEARINGS WERE DAMAGED, THAT CAUSED TO REBUILT THE WHOLE ENGINE
OIL SLUDGE ON 2002 AUDI A4 QUATTRO 1.8T. *NM
WE HAVE A 2002 AUDI A4 1.8L WITH 16,700 MILES ON IT (VERY VERY LOW MILEAGE). AT 16,700 MILES, THE WATER PUMP (ACCORDING TO THE DEALER) WENT BAD ... FOR THE YEAR OF THE VEHICLE, AND THE VERY VERY LOW USAGE, I SIMPLY FIND THIS UNACCEPTABLE. *TR
I HAVE AN 2002 AUDI A4. IN DECEMBER 2006 THE CAR SUDDENLY STALLED WHILE TRAVELING ON AN EXTREMELY BUSY INTERSTATE. THIS OCCURRED WITH NO WARNING AT ALL. AFTER HAVING THE CAR TOWED ($200 PLUS) WE FOUND THAT THE TIMING BELT HAD FAILED WHICH IN TURN COMPLETELY DESTROYED THE ENGINE. THE CAR ONLY HAS 45,000 MILES ON IT AND WE FOLLOWED ALL RECOMMENDED SERVICE. THIS BELT SHOULD NOT HAVE FAILED AND BY DOING SO PUT MY FAMILY AND EVERYONE ELSE ON THAT HIGHWAY IN A HORRENDOUSLY DANGEROUS SITUATION. *JB
MY AUDI A4 1.8 TURBO ENGINE MAY HAVE SLUDGING PROBLEM - 80K MILES. CAR ENGINE OIL LIGHT ILLUMINATING AFTER DRIVING LONG DISTANCES - ABOUT 1.5 HOURS ON THE ROAD GOING APPROX 60-70 MPH. BUT OIL LEVELS ARE ACTUALLY FINE. OIL LIGHT DOES NOT ILLUMINATE WHEN DRIVING IN LOCAL COMMUTING AREA. AUDI WILL ONLY COVER THE FIX IF CONSUMERS HAVE RECEIPTS FOR OIL CHANGES PERFORMED WITHIN THE 10K RECOMMENDED MILEAGE. I HAVE TO PAY $2750 ESTIMATED TO FIX THE PROBLEM - SOME ENGINE SLUDGING AND OIL PRESSURE LOW. AUDI WILL NOT COVER. NOTE THAT OWNER'S MANUAL RECOMMENDS OIL CHANGES EVERY 10K AND DOES NOT INDICATE THAT THESE 10K OIL CHANGES MUST BE DONE AT THOSE INTERVALS. MANY OF THESE ENGINES MANUFACTURED BY VW ARE FAILING. IF THE OIL ABSOLUTELY MUST BE CHANGED WITHIN 10K OR 12K MILES OR ENGINE SLUDGING/FAILURE WILL OCCUR - PROPER NOTICE SHOULD BE GIVEN IN OWNER'S MANUAL TO INDICATE THAT THEY OIL CHANGES ABSOLUTELY MUST BE PERFORMED AT 10K MILES OR ENGINE FAILURE WILL OCCUR AND A HIGH RED ALERT MESSAGE SHOULD BE DISPLAYED IN THE DASH WHEN SYSTEM'S CHECK IS PERFORMED BY DRIVER. THIS IS A DEFECTIVE ENGINE WHICH POSES A SAFETY HAZARD ON THE ROAD AND SHOULD BE RECALLED !!! I ACTUALLY TOOK MY VEHICLE INTO THE DEALERSHIP AT 16,674 MILES BECAUSE CHECK ENGINE LIGHT WAS ILLUMINATING ON THE DASH, DEALERSHIP INDICATED IGNITION COILS WERE BAD AND REPLACED. *JB
FAILURE OF ENGINE IGNITION COILS ,CAUSING VEHICLE TO LOSE POWER, AND CREATES SURGING AND SHAKING OF VEHICLE, MAKING IT UNSAFE TO DRIVE. HAPPENED SUDDENLY WHILE DRIVING. DEALER DIAGNOSED AS FAILURE OF 2 OF 4 ENGINE COILS. THESE WERE PREVIOUSLY REPLACED UNDER RECALL. CONTACTED AUDI, BUT DID NOT RECEIVE SATISFACTORY ANSWER. THEY WILL NOT COVER REPAIR, AND THEY CLAIMED THAT IT WAS NOT A PART THAT REQUIRED REGULAR REPLACEMENT AND WILL NOT STATE WHAT THE LIFE OF THE COILS SHOULD BE. *AK
IN DECEMBER OF 2005 MY RED OIL LIGHT CAME ON, I WAS ADVISED THAT MY CAR NEEDED AN OIL CHANGE AND TO BRING IT INTO THE DEALERSHIP. INSTEAD OF AUDI REPAIRING OR REPLACING THE ENGINE AT THIS TIME, THEY SIMPLY CHANGED THE OIL. IN JUNE OF 2006 MY RED OIL LIGHT CAME ON. THE NEXT DAY THE ENGINE IN MY CAR BEGAN MAKING HORRIBLE NOISES AND DRIVING VERY, VERY POORLY. . MY SERVICE ADVISOR CALLED ME AND ASKED ME HOW OFTEN DID I CHANGE AND THE OIL AND WHO CHANGED THE OIL IN MY CAR. I ADVISED THEM THAT THEY ARE THE ONLY ONES WHO HAVE EVERY WORKED ON THE CAR. HE CALLED ME BACK AND ADVISED ME THAT AUDI WAS REPLACING THE ENGINE IN MY CAR. I AGAIN WAS NEVER TOLD ABOUT THE SLUDGE PROBLEMS. I WAS MADE TO FEEL THAT I WAS "LUCKY" BECAUSE THEY WERE DOING ME A FAVOR BY REPLACING THE ENGINE. AT THE TIME THAT THE ENGINE WAS REPLACED I WAS ALSO TOLD THAT I NEEDED TO PAY TO HAVE THE TIMING BELT, TEN ROLLERS RELAY AND THE WATER PUMP REPLACED. A COST TO ME OF OVER $500.00. I WAS TOLD THAT THEY WERE DOING ME A FAVOR BECAUSE THEY WERE NOT CHARGING ME FOR THE LABOR, JUST THE PARTS. IN JULY 2006, I NOTICED THAT ALMOST ALL OF THE COOLANT HAD LEAKED OUT OF THE NEW ENGINE AND WAS ON THE FLOOR OF MY GARAGE. I TOOK THE CAR IN FOR SERVICE AND WAS TOLD THAT THERE WAS NO LEAK AND THAT SOMETIMES WHEN AN ENGINE IS REPLACED THERE MIGHT BE AN AIR BUBBLE AND THAT MIGHT CAUSE THE COOLANT LEVEL TO DROP. I AGAIN ADVISED THE SERVICE ADVISOR THAT THE COOLANT WAS ON THE FLOOR OF MY GARAGE AND THAT WITHOUT A LEAK SOMEWHERE IT COULD NOT JUST COME OUT OF THE ENGINE. THEY AGAIN CHECKED IT OVER THE WEEKEND AND ADVISED ME THAT THEY FOUND A COUPLE OF DROPS OF COOLANT BUT DID NOT KNOW WHERE IT WAS COMING FROM. I SUGGESTED THAT THEY DRIVE THE CAR AND SEE IF THERE WAS A LEAK. THEY DID JUST THAT AND FOUND THE LEAK, THE MAJOR LEAK. MY SERVICE ADVISOR STATED THAT THE PART THAT WAS LEAKING WAS AN OLD PART FROM THE OLD ENGINE AND THAT I WOULD NEED TO PAY $375.00 TO HAVE IT FIXED. *NM
MY 2002 AUDI A4 JUST HIT 69,900 MILES & THE 3RD TURBO ON MY CAR HAS JUST GONE BAD & HAS NOW DEVELOPED A TICKING NOISE IN THE VALVE-TRAIN. FIORE AUDI IN ALTOONA, PA LOOKED AT THE CAR & SAID THEY NEVER HEARD A NOISE IN THE TOP OF THE MOTOR & THAT THE "DENTIST DRILL" TURBO NOISE WAS CAUSED BY AN EXHAUST LEAK. I VERBALIZED MY CONCERNS OVER OIL SLUDGE ISSUES WITH THIS CAR & THEY PULLED THE VALVE-COVER & OIL PAN & FOUND OIL SLUDGE BUILD-UP IN THE OIL LINES FEEDING THE TURBO & IN SOME OF THE OIL GALLEYS IN THE ENGINE. AUDI OF AMERICA AGREED TO REPLACE THE TURBO AND THE OIL FEED LINES UNDER AUDI'S EXTENDED OIL SLUDGE WARRANTY. AFTER THE ENGINE WAS PUT BACK TOGETHER, FIORE FINALLY HEARD THE "TICKING" NOISE IN THE TOP OF THE MOTOR. AFTER PULLING THE HEAD THEY DETERMINED THAT THE ENGINE BLOCK AND THE CYLINDER HEAD WERE WARPED. FIORE TECHNICIANS INFORMED ME THAT THESE DAMAGES WERE CAUSED BY THE ENGINE BEING EXCESSIVELY OVERHEATED. THE CAR HAD NEVER INDICATED THAT IT HAD OVERHEATED, YET FOR THIS "EXCUSE/REASON", THEY REFUSED TO COVER ANY REPAIRS REGARDLESS OF THE FACT THAT I HAD PRODUCED RECEIPTS DOCUMENTING THAT THE OIL WAS CHANGED RELIGIOUSLY AROUND 3,000 MILE INTERVALS (WELL BELOW AUDI'S INITIAL RECOMMENDATION THAT THE OIL BE CHANGED EVERY 10,000 MILES, AS REFERENCED IN THE MANUAL, OR THEIR SUBSEQUENT RECOMMENDATION OF CHANGING IT EVERY 5,000 MILES) WITH AN AUDI RECOMMENDED FULL SYNTHETIC OIL AS PER THE SLUDGE WARRANTY POLICY. THE OIL LINES THAT FEED THE TURBO CHARGER WERE NEVER CHECKED OR REPLACED DURING ANY OF THE TURBO CHARGER REPLACEMENTS, OR OTHER OIL SMOKE COMPLAINTS, UNTIL NOW. AFTER OUR 3RD TURBO REPLACEMENT, OBVIOUSLY DUE TO OIL SLUDGE BUILD-UP, I'M NOW TOLD MY MOTOR IS NO GOOD. HAD AUDI TAKEN CARE OF THIS ISSUE WHEN THESE PROBLEMS WERE FIRST DEVELOPED & IDENTIFIED, IT WOULDN'T NEED A NEW ENGINE AT LESS THAN 70K MILES DUE TO AN ISSUE THAT IS WELL-KNOWN WITH THIS VEHICLE & THAT WAS ALSO OBVIOUSLY PRESENT WHEN THIS VEHICLES WARRANTY WAS IN FULL EFFECT. *NM
AUDI OF AMERICA DENIED A WARRANTY ON THEIR RECALL FOR OIL SLUDGE PROBLEM (AUDI LETER IN FILE), TO ALL 1.8 T ENGINES, ARGUING NO SERVICE WAS PROVIDE ON THE 13000 MILES WARRANTY PERIOD. AT THAT TIME THE VEHICLE WAS AN AUDI'S PROPERTY & CAR WAS IN THE AUDI'S DEALER FOR SERVICE ON THE 13,023 MILES. MAYBE NEGLIGENCE FOR SERVICING OR NOR RECORDED BUT PREVIOUSLY DRIVER WAS AN AUDI EXECUTIVE GETTING PAID FOR TEST & MILES. TITLE INDICATES AUDI'S FIRST OWNER SELLING WITH 26,103 MILES WHEN WE PURCHASED THE CAR. RECORDS IN OUR FILE AND CAR JUST BEEN FIXED ON OUR COST. THANKS FOR YOUR REPLAY. PEDRO. *NM
MY 2002 AUDI A4 1.8T WAS MALFUNCTIONING THE DAY I TOOK DELIVERY AND HAS HAD A SURPRISINGLY HIGH NUMBER OF DEFECTS SINCE THEN. TODAY, THE CAR IS INOPERABLE AND AUDI IS REFUSING TO ASSIST ME. ON 5/15/05 MY ENGINE SUDDENLY BEGAN VIBRATING HARSHLY AND LOSING POWER WHILE DRIVING ON THE INTERSTATE. THE CHECK ENGINE LIGHT CAME ON, AND MY DASH DISPLAY WAS FLASHING A RED WARNING. AFTER TOWING MY CAR TO MY DEALER, REEVES IMPORT MOTORCARS OF TAMPA, FL, I WAS INFORMED THAT THE PROBLEM I ENCOUNTERED IS A KNOWN DEFECT IN AUDI / VW 1.8 TURBO ENGINES. APPARENTLY A DEFECT IN THE 1.8T REGARDING SLUDGE THAT CLOGS THE OIL SYSTEM AND CAUSES A LOSS OF OIL PRESSURE. TO RECTIFY THIS PROBLEM, THE ENGINE MUST BE FLUSHED AND THE OIL PUMP, OIL PICKUP, ALL OIL LINES AND TURBO TUBES MUST BE REPLACED. I HAD NEVER BEEN MADE AWARE OF THIS FIX, WHICH COSTS ROUGHLY $2,000. AUDI DENIED WARRANTY ON MY CLAIM, MY ENTIRE ENGINE NEEDS TO BE REPLACED AND I AM NOW FACED WITH A SERVICE BILL OF $10,500!!!! MY DEALER INFORMED ME THAT AUDI HAD DECLARED MY SERVICE HISTORY AND THEREFORE DENIED ME WARRANTY. (THEY STATED THAT WHILE ALL SERVICE INTERVALS HAD BEEN OBSERVED, SOMETIMES I WAS SLIGHTLY OVER). ADDITIONALLY, MY RENTAL CAR SINCE MAY 16TH (USUALLY PROVIDED BY THE DEALER FOR WARRANTY WORK) IS NOW MY OWN RESPONSIBILITY. IN SUMMARY: 1. THIS IS A KNOWN DEFECT, FULLY DOCUMENTED BY THE MANUFACTURER. 2. THE FACTORY IS NOW REFUSING TO ACCEPT RESPONSIBILITY FOR AN EXPENSIVE YET TOTALLY AVOIDABLE ENGINE FAILURE. 3. THIS FAILURE WAS SUDDEN. IT WAS NOT AN ISSUE OF EXCESSIVE WEAR AND TEAR, OR A CONDITION THAT GRADUALLY WORSENED DUE TO NEGLECT. THEREFORE, THE PERIODS BETWEEN SERVICE INTERVALS SHOULD BE IRRELEVANT. 4. I HAVE SENT LETTERS TO AUDI NORTH AMERICA'S VP IN CHARGE OF CUSTOMER RELATIONS, MR. JOHANN DE NYSSCHEN, WITHOUT RESPONSE. BUYING AN AUDI WAS THE WORST DECISION I HAVE EVER MADE.
WHILE TRAVELING AT 50 MPH THE VEHICLE SUDDENLY SHUT OFF. THERE WAS NO POWER AND THE STEERING WHEEL LOCKED. THE CONSUMER LET THE VEHICLE COAST. THE CONSUMER WAITED A FEW MINUTES AND THE VEHICLE STARTED. THE VEHICLE HAS EXPERIENCED THIS PROBLEM ON SEVERAL OCCASIONS. *NM
WHILE DRIVING OUT OF TOWN THE VEHICLE BEGAN TO RATTLE AND THE VEHICLE WOULD NOT GO FASTER THAN 35 MPH. THE VEHICLE CONTINUED TO RATTLE AND THE OWNER HAD THE VEHICLE TOWED TO THE DEALER WHERE THEY EVENTUALLY REPLACED THE ENTIRE ENGINE DUE TO METAL IN THE OIL PAN WHICH CAUSED PROBLEMS THROUGHOUT THE ENTIRE SYSTEM. PROVIDE FURTHER DETAILS. *JB ORIGINALLY THE OIL LIGHT CAME ON. THE CONSUMER STOPPED AND CHECKED THE OIL LEVEL AND IT WAS FINE. DRIVING A LITTLE FURTHER THE LIGHT CAME ON AGAIN . *TC
WHILE DRIVING AT 60 MPH ON THE HIGHWAY TIMING BELT BROKE. THIS CAUSED THE PISTONS TO WARP AND BREAK. THIS INCIDENT HAS HAPPENED FOUR TIMES SINCE CONSUMER OWNED THE VEHICLE. MANUFACTURER AND DEALER WERE INFORMED OF THE PROBLEM.*AK
Showing 1–20 of 33 complaints
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026