One problem related to brake disc caliper has been reported for the 1998 Cadillac Deville. The most recently reported issues are listed below.
Dealer has replaced and turned brake rotors numerous times I have replaced rotors and calipers and pads with all new parts also and brakes on front do not release completely all the time and keep warping rotors and wearing out brake pads this has been done many times since being bought in 2000. Tire rims also leak air and tires keep going low this was serviced by dealer and myself not cure has been found yet.