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Engine coolingPart report

1984 Cadillac Deville Engine cooling Problems

Complaints
2about this part
Share
33%of 6 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 1984 Cadillac Deville, 33% of the 6 complaints for this model year.

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

Engine cooling: other model years

YearComplaintsShare of year
200533%
200453%
2003107%
20022414%
20013822%
20005223%
19994725%
19983314%
19974717%
19964018%
19951814%
19943427%
199389%
19922418%
19911517%
1990912%
1989817%
1988414%
19871845%
1986941%
1985632%
1984233%
1983240%

Other parts of the 1984 Cadillac Deville

Vehicle speed control
2 complaints
Electrical system
1 complaints
Fuel system
1 complaints

← All problems reported for the 1984 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