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Engine coolingPart report

1991 GMC Syclone Engine cooling Problems

Complaints
1about this part
Share
17%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 1 complaints about the engine cooling of the 1991 GMC Syclone, 17% 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
1991117%

Other parts of the 1991 GMC Syclone

Brakes
5 complaints
Transmission and drivetrain
2 complaints

← All problems reported for the 1991 GMC Syclone

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