1984 Mercury Marquis Engine cooling Problems
- Complaints
- 1about this part
- Share
- 10%of 10 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 1984 Mercury Marquis, 10% of the 10 complaints for this model year.
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.
“Radiator/radiator hose failed, resulting inn an oil leak; also replaced belts/brake pads, shoes, drums and wheel cylinders/ exhaust system/alternator/headlamps.”
NHTSA complaint #512171, filed 1996-12Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 2 | 6% |
| 2002 | 2 | 18% |
| 2001 | 3 | 12% |
| 2000 | 3 | 13% |
| 1999 | 3 | 13% |
| 1998 | 4 | 14% |
| 1997 | 21 | 40% |
| 1996 | 11 | 35% |
| 1995 | 1 | 5% |
| 1994 | 4 | 13% |
| 1992 | 4 | 17% |
| 1990 | 1 | 17% |
| 1988 | 1 | 11% |
| 1985 | 1 | 20% |
| 1984 | 1 | 10% |
Other parts of the 1984 Mercury Marquis
5 complaintsFuel system
3 complaintsTransmission and drivetrain
3 complaintsBody and structure
2 complaintsBrakes
1 complaintsEquipment
1 complaintsExterior lighting
1 complaints
← All problems reported for the 1984 Mercury Marquis
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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