We were traveling on a highway trip, approximately 71 miles from home the engine made a brief grinding noise and then with in about 2 seconds the engine completely shut down and stopped running. After having the vehicle towed back to my Cadillac dealer, the dealer determined that the engine was completely damaged by an "outsourced" defective crankshaft installed in the initial engine installation. The dealer has had my vehicle for exactly 1 month and says it is waiting for a new engine with no idea when they will receive the new replacement. I need my vehicle.