What 20 owners told NHTSA about the 2019 Cadillac XT4

HAD A CHECK ENGINE LIGHT OCCUR AFTER A DEALER WARRANTY INSTALLED ENGINE. THE DTC CODE WAS "PO496". THIS TURNED OUT TO BE A PARGE PUMP FAILURE. VEHICLE IS 4 YEARS AND 9 MONTHS OLD, MILAGE AT 34285. DEALER SAYING THAT PART IS NOT COVERED ANY LONGER UNDER WARRANTIES OF ANY TYPE. THE REPAIR COST ME $671.89. THIS IS AN EXTREMELY EARLY FAILURE OF AN EMMISIONS CONTROL COMPONENT.

NHTSA ODI 11628324

2019 CADILLAC XT-4 [XXX] MILEAGE IN FIRST SERVICE ATTEMPT 27500 4/28/2023 BROUGHT THE XT-4 IN FOR SERVICE IN WILLIAMSBURG VIRGINIA AND FOR AN OIL DRIP PROBLEM. OIL LEAKING DOWN THE SIDE OF THE MOTOR FACING THE PASSENGER SIDE. DEALER REPLACED NUMEROUOS GASKETS AND ENGINE COVERS AND RETURNED THE VEHICLE ALONG WITH THE SERVICE AND STATE INSPECTION WORK. REPAIRS MADE UNDER POWERTRAIN WARRANTY. ENGINE CONTINUED TO LEAK AND WAS BROUGHT BACK INTO THE DEALERSHIP 05/02/2023. DEALER SAID THAT THE OIL PAN WAS CRACKED AND THEY REPLACED IT UNDER POWERTRAIN WARRANTY. ENGINE CONTINUES TO LEAK, AND WAS TAKEN BACK TO THE DEALERSHIP ON 05/08/2023 FOR MORE REPAIRS ALONG WITH A FAILED BATTERY. ENGINE IS STILL BEING WORKED ON AS OF 05/12/2023. DEALER SAYING THAT ENGINE HAS A LEAKING HEAD GASKET AND THAT GM IS STARTING TO REALIZE THAT THEY HAVE A PROBLEM WITH THIS ENGINE. REPAIR REQUIRES SPECIALIZED TOOLING FOR INSTALLING THE HEAD GASKET. STARTING TO RUN INTO 10 DAYS NOW WITH THE LOSS OF USE OF THE XT-4. OIL LEAK IS AFFECTING THE ENGINE PERFORMANCE STALLING AND CHUGGING AND MAY BE MAKING ITS WAY INTO THE PASSENGER FRONT RIGHT BRAKING SYSTEM. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

NHTSA ODI 11521742