One problem related to engine oil leaking has been reported for the 2000 Cadillac Deville. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Cadillac Deville based on all problems reported for the 2000 Deville.
Consumer noticed oil on parking garage floor. Took vehicle to dealership for inspection. Dealership indicated oil was leaking from the oil pan gasket rear seal, upper crank case valve cover, and rear seal due to a flaw in the north star engine. Oil pan casket had been replaced, and upper crank case will be replaced. This was a common failure with these engines.