Two problems related to coolant leaking have been reported for the 1997 Cadillac Deville. The most recently reported issues are listed below.
Engine is consuming more than a quart or oil in less than 1000 miles. Once the vehicle had an oil leak but it has since been repaired. The consumer was told that oil maybe leaking inside engine. Mechanic has tried a number of repairs, and none of them were worked to stop this oil usage. Consumer states engine stalls and coolant leaks, the engine was also overheating and the vheicle was blowing blue smoke.
Engine failed causing coolant to leak.