Two problems related to brake disc rotor have been reported for the 1999 Cadillac Deville. The most recently reported issues are listed below.
Rotors are warping and at 55-60 mph, vibration occurs, rotors have to be grinded down in order to hold with brakes. This is second time rotors have had to be grinded down. Dealership is aware of problem.
Rotors were warped by excessive heat and caused vibration in the front end. Yh.