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Fuel systemPart report

2004 Cadillac Deville Fuel system Problems

Complaints
3about this part
Share
2%of 167 total for the year
Median mileage
105,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the fuel system of the 2004 Cadillac Deville, 2% of the 167 complaints for this model year. Where a mileage was given, the median is 105,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2004 Cadillac Deville. The contact observed fuel leaking from the front of the vehicle without warning. The failure recurred several times. The vehicle was taken to an independent mechanic where it was diagnosed that the valve cover gasket failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 117,000.”

NHTSA complaint #10788924, filed 2015-11, 117,000 miles

“The contact owns a 2004 Cadillac Deville. The contact stated that the fuel filler tube corroded and as a result, it prevented the gas cap from completely closing causing the check engine warning light to illuminate. The vehicle was taken to the dealer. The technician diagnose that the fuel tank needed to be replaced. The vehicle had not been repaired. The manufacturer was notified of the issue. The approximate failure mileage was 70,000.”

NHTSA complaint #10626263, filed 2014-08, 70,000 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
200522%
200432%
200396%
2002116%
200174%
200052%
199984%
1998167%
19974015%
19963516%
19953729%
19941713%
199367%
19923022%
19911113%
199045%
198936%
198814%
198615%
1984117%

Other parts of the 2004 Cadillac Deville

Electrical system
47 complaints
Steering
36 complaints
Visibility (wipers, defrost, mirrors)
31 complaints
Air bags
25 complaints
Engine
17 complaints
Brakes
8 complaints
Transmission and drivetrain
6 complaints
Engine cooling
5 complaints
Other or unknown
5 complaints
Electronic stability control
3 complaints
Seats
3 complaints
Vehicle speed control
3 complaints

← All problems reported for the 2004 Cadillac Deville

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology