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2003 Cadillac DeVille DTS Repair and Maintenance Costs

A guide to repairs, service, and maintenance costs for your 2003 Cadillac DeVille DTS

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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.
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 i...
An ignition coil may fail causing one of the cylinders to misfire. Each of the two banks of cylinders has its own coil assembly. If one ignition coil fails the coil assembly for the corresponding c...
Overall (4 Reviews)
Body, Interior & Misc.
Brakes
Drive Train
Electrical & Lights
Engine
Exhaust & Emissions
Heating & Air Conditioning
Suspension & Steering
February 20, 2014
2003 Cadillac DeVille DTS
Hi I'm Donald and you can assume that I'm a mechanic. It's one of my greatest pains but best joys! I also own a 2003 Cadillac Deville with the 4.6 northstar Engine. I'm also an auto Mechanic! I ...
September 15, 2010
2003 Cadillac DeVille DTS
Replaced 5 (twice on driver side) window regulators. Plastic parts on something used almost daily? Constant o2 codes. 80k miles. Drives great but too many repairs.
April 14, 2010
2003 Cadillac DeVille DTS
worst car I ever owned . Had many Cadillacs they lost my busness forever. repairs all the time. window motors all 4 many codes a.c. will not blow out of dash vents uses alot of oil 56,000 miles and...