There are 3 stored owner reports matching the engine leading-label group for the 2010 Audi A6 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2010 AUDI A6. WHILE DRIVING 45 MPH, THE VEHICLE OVERHEATED AND STEAM APPEARED UNDER THE PASSENGER SIDE OF THE HOOD. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE COOLANT SYSTEM NEEDED TO BE REPAIRED. THE VEHICLE WAS NOT REPAIRED. NEITHER A DEALER NOR THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 113,000.
2010 AUDI A6 EXPERIENCED MASSIVE SUDDEN LOSS OF ENGINE COOLANT. RESULT WAS NEED TO IMMEDIATELY STOP CAR AND SHUT DOWN ENGINE. LOSS OF COOLANT RESULTED IN HOT LIQUID SPRAYING OUT OF ENGINE AND REDUCING VISIBILITY. REQUIRED TOW TRUCK TO GET CAR TO DEALER FOR REPLACEMENT OF DEFECTIVE WATER PUMP. ACCORDING TO SERVICE MANAGER WHO DIRECTED REPAIRS, THE ORIGINAL WATER PUMP HAD A PLASTIC HOUSING AND THESE HOUSINGS HAVE BEEN FAILING ON MANY 2009-2010 AUDI CARS. NEW WATER PUMP PART HAS BEEN CHANGED TO METAL PUMP HOUSING (REPORTEDLY). *TR
2009 AUDI A6 3.0T WATERPUMP FAILED...TWICE. ONCE AT 8000 MILES AND AGAIN AT 19,000 MILES. *TR
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Aug 31, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.