2004 Cadillac DeVille DTS Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Cadillac DeVille DTS
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Never overpay. Check prices with our estimator
2004 Cadillac DeVille DTS ProblemsOil Leak From Lower Engine Area
The engine may develop an oil leak from the lower crankcase portion of the engine block. Our technicians tell us that the engine must be removed from the vehicle to properly repair this oil leak.
The water pump and/or the plastic side tanks on the radiator may leak causing a loss of coolant. The engine may overheat due to coolant loss. Continued coolant loss after external leaks have been repaired could indicate a blown head gasket.
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
2004 Cadillac DeVille DTS QuestionsMy AC works great & sometimes it doesn't work at all, smoke thru vent once? (1 answer)
Smoke & burned rubber smell occured once but AC worked great the next day without the smoke or burnt smell, & car won't start now. Battery says 11.1 battery ok, just makes a click, click,click sound. Please help
i ran out of gas put gas in it dont hear fuel pump coming on
on clear dry roadway, causing hard pull to the left. Also, when braking at highway speeds, get strong vibration in steering wheel, although rotors have been replaced and turned more than once, which only remedies problem for 2 to 4 weeks before problem begins again. Would appreciate any sugges...