Engine Oil Leaking problems of the 2010 Buick Lucerne

The contact owns a 2010 Buick Lucerne. The contact stated that after parking the vehicle, oil leaked from underneath the vehicle. The dealer diagnosed that 16 different oil seals had failed, which caused oil to leak from the engine. The vehicle was repaired, but the failure continued. The cause of the failure was not diagnosed. The vehicle was not repaired. The manufacturer was not notified of the failure. The VIN was not available. The failure mileage was 13,000.