2004 Cadillac Deville engine problems
17 owner complaints filed with NHTSA name the engine on the 2004 Cadillac Deville — 10% of all complaints for this model year.
What owners report
“Letter from senator nelson re constituent re 2004 cadillac deville issues. *smd the consumer stated oil has been leaking from the main oil seal for the past four years. *jb”
filed Mar 7, 2016
“Tl* the contact owns a 2004 cadillac deville. While stopped, white smoke emitted from the rear of the contact's vehicle. In addition, the temperature gauge indicated that the vehicle was overheated. The vehicle was taken to a dealer where it was diagnosed that the head gasket needed to be replaced…”
filed Aug 21, 2015
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how…
16-NA-383 · Service Bulletin/Repair Instructions · issued Jun 28, 2024
Engine problems in other Deville years
| Year | Reports | Share |
|---|---|---|
| 2005 Deville | 10 | 11% |
| 2003 Deville | 16 | 11% |
| 2002 Deville | 17 | 10% |
| 2001 Deville | 14 | 8% |
| 2000 Deville | 9 | 4% |
| 1999 Deville | 4 | 2% |
| 1997 Deville | 1 | 0% |
| 1996 Deville | 1 | 0% |
| 1995 Deville | 2 | 2% |
| 1993 Deville | 1 | 1% |
| 1992 Deville | 1 | 1% |
| 1991 Deville | 1 | 1% |
Other reported problem areas on the 2004 Cadillac Deville
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.