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Engine coolingPart report

1991 Pontiac Trans Sport Engine cooling Problems

Complaints
2about this part
Share
6%of 36 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 1991 Pontiac Trans Sport, 6% of the 36 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.

“Vehicle experienced a sudden aceleration while pulling off from a stop position (cruise control was not engage) causes the vehicle to ran another stop sign before consumer was able to get the vehicle under control. Dealer/mfr. Notified.”

NHTSA complaint #840513, filed 1999-06

“Vehicle smoking front brakes had a burning smell and smoking,melted the hub caps on the vehicle. Also replaced calipers. In addition, vehicle had a coolant leak.”

NHTSA complaint #807615, filed 1997-03

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
1999550%
19985223%
19974218%
19961321%
19951614%
19941111%
199358%
199223%
199126%
1990716%

Other parts of the 1991 Pontiac Trans Sport

Body and structure
11 complaints
Seat belts
10 complaints
Brakes
4 complaints
Steering
3 complaints
Other or unknown
2 complaints
Transmission and drivetrain
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Electrical system
1 complaints
Exterior lighting
1 complaints
Fuel system
1 complaints
Suspension
1 complaints
Tires
1 complaints

← All problems reported for the 1991 Pontiac Trans Sport

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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