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Engine coolingPart report

1991 Jeep Wrangler Engine cooling Problems

Complaints
12about this part
Share
16%of 76 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 12 complaints about the engine cooling of the 1991 Jeep Wrangler, 16% of the 76 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 will stall suddenly in extreme hot weather usually does it within any time. Consumer must wait for vehicle to cool down, and then it will crank back up.”

NHTSA complaint #872833, filed 2000-10

Engine cooling: other model years

YearComplaintsShare of year
202511%
202321%
202220%
202140%
202061%
201951%
201840%
201710%
201661%
201541%
201491%
201341%
201271%
201161%
2010152%
200951%
2008111%
2007285%
2006203%
2005223%
200495%
200366%
200244%
20012112%
2000156%
19995023%
19985320%
199710927%
19953216%
19942517%
19931817%
199279%
19911216%
199079%
19891016%
1988714%
1987513%

Other parts of the 1991 Jeep Wrangler

Brakes
20 complaints
Fuel system
18 complaints
Seat belts
11 complaints
Transmission and drivetrain
8 complaints
Electrical system
7 complaints
Equipment
2 complaints
Latches, locks and linkages
2 complaints
Suspension
2 complaints
Tires
2 complaints
Exterior lighting
1 complaints
Other or unknown
1 complaints
Seats
1 complaints

← All problems reported for the 1991 Jeep Wrangler

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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