Three problems related to engine oil leaking have been reported for the 2004 Cadillac Deville. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Cadillac Deville based on all problems reported for the 2004 Deville.
Letter from senator nelson re constituent re 2004 Cadillac Deville issues. The consumer stated oil has been leaking from the main oil seal for the past four years.
My last oil change, I was told that I had a leak in the block and that only the dealership could fix. I was also told to be ware that the cost would be very expensive.
The contact owns a 2004 Cadillac Deville. The contact stated that the engine oil leaked onto the exhaust system and caused the engine to smoke. The dealer stated that the engine valve cover seal and gasket needed to be replaced; however, the manufacturer denied assistance with the repair. The vehicle was not repaired. The failure mileage was 49,046. The current mileage was 101,700.