Two problems related to engine oil leaking have been reported for the 2003 Cadillac Deville. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Cadillac Deville based on all problems reported for the 2003 Deville.
My engine leaks oil from the seals. It was always dealer maintained for regular maintenance with low mileage. It started 3 years ago. I noticed you recalled other vehicles for this problem. My engine is a v8. Regular oil changes etc. It continues to leak. Dealer wants $2,500 to fix seals. The way I drive it with low millage of 60,000 miles it should not have leaked. Just read about recall of other gm cars on 27 oct. 2015.
2003 Cadillac Deville dhs the front brake pads, rotors and left front caliper had to be replace. The consumer stated the left front caliper would stick and it didn't release properly which caused the left front brake and rotor to wear. After the consumer picked the vehicle up and started driving, she heard the new brakes grinding. The consumer contacted the dealer again and was told after market parts had been installed on her vehicle. Consumer stated she specifically requested original gm parts be put on the vehicle. The dealer also informed the consumer the engine block halves and rear shocks were leaking oil.