ENGINE FAILED GOING ABOUY 70 MILES AN HOUR TIMING BELT BROKE, CAUSING COMPLETE ENGINE FAILURE, DEALER STATED THAT THIS IS A COMMON PROBLEM CAR REPAIRED BUT STILL HAS PROBLEMS, DEALER CAUSED ADDITONAL PROBLEMS WHEN MAKING REPAIR BROKE BOLT IN ENGINE COST TO REPAIR 800 DEALER REFUSE TO REPAIR OIL LEAK ON VALVE COVER GASKET AGAIN DEALER REFUSES TO REPAIR ALL THOUGH COVERED UNDER WARRENTY. CADILLAC REFUSES TO ACKNOWLEDGE PROBLEMS GIVEN THE RUN AROUND ON CUSTOMER SERVICE LINE CAR WAS OUT FOR 5 WEEKS AT DEALER, CAR HAS SEVERE VIBRATIONS WHEN IDLED DUE TO REPAIR NEW DEALER UNABLE TO DETERMINE PROBLEM OR MAKE REPAIR, HEADLAMPS ALSO FAILED AT ABOUT 50,000 MILES REPLACEMENT COST $1,000 TO MANY PROBLEMS TO LIST