NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
28 reportsClear category filterMileage unknown · Sep 15, 2011
Engine And Engine Cooling
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 SPEC…
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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.
NHTSA ODI #10425539
16,700 miles · Sep 25, 2008
Engine And Engine Cooling
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
NHTSA ODI #10243420
70,200 miles · Jun 16, 2008
Engine And Engine Cooling
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…
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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
NHTSA ODI #10231123
Mileage unknown · Nov 12, 2007
Engine And Engine Cooling
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, …
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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
NHTSA ODI #10208651
Mileage unknown · Mar 24, 2007
Electrical SystemEngine And Engine Cooling
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. TH…
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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
NHTSA ODI #10186059
56,500 miles · Mar 19, 2007
Engine And Engine Cooling
WATER PUMP BEARINGS WERE DAMAGED, THAT CAUSED TO REBUILT THE WHOLE ENGINE
NHTSA ODI #10185535
54,000 miles · Feb 13, 2007
Engine And Engine Cooling
OIL SLUDGE ON 2002 AUDI A4 QUATTRO 1.8T. *NM
NHTSA ODI #10182485
45,000 miles · Jan 3, 2007
Engine And Engine CoolingCrash
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 FOLLOWE…
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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
NHTSA ODI #10177699
79,000 miles · Nov 27, 2006
Engine And Engine Cooling
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 CONSUMER…
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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
NHTSA ODI #10174459
71,700 miles · Aug 1, 2006
Engine And Engine Cooling
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 …
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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
NHTSA ODI #10164093