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EnginePart report

2003 Cadillac Deville Engine Problems

Complaints
16about this part
Share
11%of 145 total for the year
Median mileage
74,500miles
Trend
FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.

NHTSA recorded 16 complaints about the engine of the 2003 Cadillac Deville, 11% of the 145 complaints for this model year. Where a mileage was given, the median is 74,500 miles. 1 of these say a crash was involved, according to the filers.

Example complaints

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

“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.”

NHTSA complaint #10786389, filed 2015-10, 60,000 miles

“After taking off from a stop sign, I drove up over about 1 1/2 inch vertical rise in the pavement (small bump). The engine and electrical systems shut down. I lost power stirring and power brakes. I got stopped and restarted the engine. This occurred about 3 days after I had taken my car to the GM dealer for repairs covered by GM recall 14299, unintended ignition key rotation . My key did not rotate. Yesterday april 2, 2015 when driving 45 MPH on a state highway, the engine stopped again without hitting any bumps. …”

NHTSA complaint #10703620, filed 2015-04, 64,020 miles

“I was driving at approximately 60 mhp on i77 north - without notice of any kind it became very difficult to steer my vehicle and I lost control as well as all power & acceleration. All of this happened so fast but I looked down and noticed several dash board/warning lights on. These lights normally only go on for a second or so when starting the car. Having no power or acceleration I was able to navigate my car to the side of the road with out an accident but immediately noticed that my ignition was already turned off. …”

NHTSA complaint #10627587, filed 2014-08, 50,150 miles

“Engine shuts off without warning, sometimes when stopped and/or while moving.this has happened about 4 times in the last year. Suspect a defect ignition switch and/or a crankshaft position sensor.”

NHTSA complaint #10618260, filed 2014-08, 58,000 miles

“I tried to explain to the dealership that unaware of the recall my cars breaks had failed and crashed my vehicle. They said the only thing that was affected was the key. I had told her that the result of my crash was from my breaks not working due to the recall. She told me no that that wasnt affected. I just want my car to be safe on the road as i have kids, and family that ride with me regularly.”

NHTSA complaint #11441153, filed 2021-11

Related service bulletins

Engine: other model years

YearComplaintsShare of year
20051011%
20041710%
20031611%
20021710%
2001148%
200094%
199942%
199710%
199610%
199522%
199311%
199211%
199111%
199011%

Other parts of the 2003 Cadillac Deville

Electrical system
52 complaints
Air bags
25 complaints
Brakes
16 complaints
Transmission and drivetrain
14 complaints
Steering
12 complaints
Visibility (wipers, defrost, mirrors)
11 complaints
Engine cooling
10 complaints
Fuel system
9 complaints
Other or unknown
7 complaints
Vehicle speed control
7 complaints
Body and structure
6 complaints
Equipment
3 complaints

← All problems reported for the 2003 Cadillac Deville

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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