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Engine coolingPart report

1990 Mazda RX-7 Engine cooling Problems

Complaints
4about this part
Share
14%of 28 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine cooling of the 1990 Mazda RX-7, 14% of the 28 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.

“Exhaust manifold is leaking carbon monoxide into the cabin of vehicle, causing a health hazard. Dealer is aware of defect. Consumer claims he is aware of other vehicles of the same model that have this defect.”

NHTSA complaint #860740, filed 2000-04

“Consumer replaced engine in 1995, now five years later the engine needs to be replaced again because the apex seal is partial collapsed causing the vehicle to stall. Nlm”

NHTSA complaint #555737, filed 2000-10

Engine cooling: other model years

YearComplaintsShare of year
1994633%
19933644%
199129%
1990414%
1989517%
1988417%
1987918%

Other parts of the 1990 Mazda RX-7

Seat belts
18 complaints
Brakes
2 complaints
Fuel system
2 complaints
Electrical system
1 complaints
Equipment
1 complaints
Tires
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 1990 Mazda RX-7

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