There are 3 owner-reported engine complaints for the 2009 Cadillac DTSin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL* THE CONTACT OWNS A 2009 CADILLAC DTS. THE CONTACT NOTICED THAT THE VEHICLE WAS LEAKING OIL. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE PAN GASKET AND THE MAIN CRANK SEAL GASKET NEEDED TO BE REPAIRED. THE VEHICLE WAS NOT REPAIRED. THE VIN WAS NOT PROVIDED. THE MANUFACTURER WAS NOT NOTIFIED OF TH FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 54,000.
WENT FOR INSPECTION, SHELL CARDINAL FOREST, SPRINGFIELD, VA. INSPECTION REJECTED DUE TO FAULTY/WORN OUT/DANGEROUS MOTOR MOUNTS. MECHANIC SAID DESIGN FLAW. LINDSAY CADILLAC SERVICE MANAGER ADMITTED "DIFFERENT" DESIGN THAN OTHER CADILLACS. MY WIFE AND I, AGES 55 AND 70, HAVE OWNED NUMEROUS VEHICLES, INCLUDING 3 CADILLACS, AND HAVE DRIVEN CARS WELL OVER 100K MILES, INCLUDING FAR LESS EXPENSIVE CARS. HAVE NEVER HEARD OF MOTOR MOUNTS FALLING APART OR EVEN WEARING OUT, ESPECIALLY NOT AT 79K MILES. CHEAPER CARS WE'VE OWNED HAVE NEVER DEVELOPED SUCH A SERIOUS PROBLEM AT THAT MILEAGE. SHELL SAID THIS SHOULD NOT HAPPEN. WE HAVE ASKED PARTS BE SAVED FOR YOUR INSPECTION. CADILLAC WANTED $1,750 TO REPLACE FOR THEIR DEFECTIVE DESIGN. WE WOULD THINK THE DANGER OF HAVING THE ENGINE FALL OUT OF THE CAR WOULD BE A SIGNIFICANT SAFETY ISSUE. *TR
WHILE PULLING INTO PARKING LOT THERMOSTAT BEGAN CLIMBING AND LIGHT CAME ON TO SHUT DOWN ENGINE.TOOK CAR RIGHT TO DEALER NEARBY. *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.
Data synced from NHTSA on Apr 26, 2026