2012 Audi A4 Engine
Owner-reported problems and safety issues filed with NHTSA. Review common failures, severity levels, and complaint trends over time.
Complaint Timeline
Chronological view of owner reports
WE WERE JUST INFORMED OF A CLASS ACTION LAWSUIT INVOLVING TIMING CHAIN AND TENSIONER FAILURE. THIS FAILURE COULD CAUSE CATASTROPHIC ENGINE FAILURE WHILE DRIVING AND CAUSE THE VEHICLE TO STOP POSSIBLY AT HIGHWAY SPEEDS CAUSING AN ACCIDENT AND HARM TO VEHICLE OCCUPANTS. THE LAWSUIT COULD RESULT IN AN EXTENDED PRO-RATED WARRANTY BUT NO RECALL OR REPAIRS MADE TO ANY VEHICLE PRIOR TO ENGINE FAILURE. AUDI IS AWARE OF THIS PROBLEM AND HAS ISSUED A TECHNICAL SERVICE BULLETIN TO THE DEALER NETWORK BUT WILL NOT OFFER ANY REPAIRS OUTSIDE OF THE CURRENT WARRANTY. WE BELIEVE ALL AFFECTED VEHICLES SHOULD BE RECALLED AND REPAIRED PRIOR TO A CATASTROPHIC ENGINE FAILURE RESULTING IN LOSS OF LIFE.
2012 AUDI A4 HAS HAD ONGOING OIL CONSUMPTION ISUUES. AUDI DEALER PERFORMED CONSUMPTION TEST DONE AROUND 74K (3QTS PER 1000MILES - BASICALLY HAVE HAD TO ADD 1 QT EVERY 300 MILES. WAS TOLD NO RECOURSE - WAS OUTSIDE OF CLASS ACTION LAWSUIT OF 2009-2011 OF SIMILAR ISSUES. NOW AT 133K MILE, ENGINE SEIZED WITHOUT WARNING - EPC LIGHT CAME ON - CAR WAS SERVICED LESS THAN 25K MILES AND HAD ALL 4 FUEL INJECTORS, 4 SPARK PLUGS AND 2 IGNITION COILS REPLACED AND DE-CARB PROCEDURE DONE. I'M AT A LOSS THAT AUDI REFUSES TO ACCEPT RESPONSIBILITY FOR FAULTY ENGINE.
2012 AUDI A4 QUATTRO USES (BURNS) AN EXCESSIVE AMOUNT OF OIL, CONSTANTLY HAVING TO ADD MOTOR OIL. MUST ADD A QUART OF OIL ON A MONTHLY BASIS AND DRIVING LESS THAN 1,000 PER MONTH.
OIL LIGHT KEEP APPEARING ON DASHBOARD EVEN WHEN SERVICED
TIMING CHAIN TENSIONER FAILED CAUSING CHAIN TO SLIP AND IMMEDIATE ENGINE STOPPAGE.
REPLACEMENT OF TIMING CHAIN, TIMING CHAIN TENSIONER, TIMING CHAIN GUIDES & LOWER TIMING COVER WITH PISTON REPAIR
I TURNED CAR OFF, WENT INTO A STORE CAME BACK, STARTED CAR AND IT SOUNDED HORRIBLE, AS IF TOTALLY FALLING APART. TURNED IT OFF, TRIED AGAIN AND WOULD NOT START AT ALL. DEALER SAID ENGINE WAS SHOT, SEIZED UP HAS TO BE REPLACED. THEY HAVE BEEN MAINTAINING IT SINCE THE DAY I BOUGHT IT. OIL CHANGES ALL UP TO DATE. 30,000 MILE OUTSIDE OF WARRANTY. DEALER HAS NO UNDERSTAND OF WHAT COULD HAVE HAPPENED. COULD THIS HAVE HAPPENED WHEN I WAS DRIVING? NO IDEA. HAS ANYONE HEARD OF THIS HAPPENING TO THEIR AUDI A4 2012?
TIMING CHAIN TENSIONER FAILED CAUSING ENGINE DAMAGE AND ALMOST CAUSED A SEVERE ACCIDENT. WHILE DRIVING VEHICLE LOST ALMOST ALL POWER AND DECELERATED TO A 15 MPH PACE ON MAJOR STREET WITH 45 MPH SPEED LIMIT.
EXTREMELY LOUD "ROARING" NOISE ON A COLD START AFTER HAVING SAT OVERNIGHT. DEALERSHIP BASICALLY REPORTED AS NORMAL "OF NO CONSEQUENCE". CONTINUOUS SINCE NEW.
AT APPROXIMATELY 1000 MILES ON THE ODOMETER OF MY 2012 AUDI A4 AVANT QUATTRO, A STRANGE NOISE BEGAN FROM THE FRONT AREA OF THE ENGINE. THE NOISE HAPPENS AT THE FIRST STARTUP OF THE ENGINE REGARDLESS OF AMBIENT TEMPERATURE. AFTER ABOUT 2 MINUTES WHEN THE ENGINE IDLES DOWN THE NOISE STOPS. DIFFERENT AUDI TECHNICIANS AT TWO DEALERSHIPS HAVE DIAGNOSED THE NOISE AS 1) CAM TENSIONERS, 2) A BAD BEARING INSIDE THE CAM CASE, 3) SECONDARY BLOWER MOTOR AND, 4) LASH IN THE VVT SYSTEM. NONE OF THE TECHNICIANS HAVE PUT A WRENCH ON ANY OF THE NAMED COMPONENTS BECAUSE, ACCORDING TO THE DEALERSHIPS' SERVICE MANAGERS, AUDI USA WILL NOT AUTHORIZE REPAIRS. ACCORDING TO AUDI USA, THE STRANGE NOISE IS A NORMAL FUNCTION EVEN THOUGH AUDI CUSTOMER SERVICE CANNOT EXPLAIN WHY THE NOISE WAS NOT APPARENT FOR THE FIRST APPROXIMATE 1000 MILES OF DRIVING. *TR
Trend Over Time
Complaints by year
Other Issues
Common problems reported
Quick Summary
The 2012 Audi A4 has 10 Engine complaints on file. Review the timeline above for detailed owner experiences.