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Engine coolingPart report

1991 Buick Regal Engine cooling Problems

Complaints
15about this part
Share
8%of 200 total for the year
Median mileage
—not reported
Trend
StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.

NHTSA recorded 15 complaints about the engine cooling of the 1991 Buick Regal, 8% of the 200 complaints for this model year. 3 a fire, according to the filers.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The car was taken in for service and we were told that the problem was due to the engine bolts were not secure. While browsing the net I found that the 91 Buick Regal was being recalled because of this and I want to know what steps need to be taken in order to correct this problem. The car was taken to pep boys for tires when I was informed of a need for the the rear brake assembly (drums, rotors, calipers, etc.) to be repaired and I found that Buick was having a problem with these parts as well as the suspension. I also found that chevy was having a similar problem with the lumina. …”

NHTSA complaint #724201, filed 2000-06

“While driving and going down a hill consumer smelled hot fuel smell. Gauges looked fine. Then, a couple of minutes later checked it again, and battery gauge was low. Consumer kept driving, as approaching intersection vehicle died. Consumer coasted to right and saw smoke. Then, cosumer left car, and there was an explosion with flames.”

NHTSA complaint #884198, filed 2001-03

“Twice the bolts that support engine rotted out, causing the engine to drop down on the highway. The first time was on novemer 28, 1997 with 78,000 miles and on april 20, 1999. Consumer also stated that the frame is cracked, the dealer/manufacturer were notified about this problem. Vehicle has been repaired at owner's expense. Consumer feels he should be compensated for repairs.”

NHTSA complaint #838463, filed 1999-05

“While driving on the highway then stopped at a stop sign. Went to turn, and the rear of engine dropped onto the highway. Contacted dealer, and was told that two rear bolts on engine cradle had rotted out. They made the necessary repairs. Took the vehicle for a state inspection and was told that the engine cradle had rotted out, and craced across the frame. Contacted dealer again, and was told not under warranty.”

NHTSA complaint #855160, filed 2000-01

“On 11-28-97, engine cradle bolts rusted . When driver made a turn engine separated from the vehicle. The dealer repaired vehicle . On 15-apr-99, owner took the vehicle to repair shop again because the engine cradles rusted again. Manufacturer has been notified.”

NHTSA complaint #837494, filed 1999-06

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
201612%
201311%
201141%
2004812%
20031010%
20021715%
20013418%
20003519%
19994317%
19985518%
19973022%
19963618%
19951911%
19941211%
199378%
199286%
1991158%
199068%
19891110%
198897%
198728%
1986217%
1985333%
1984117%

Other parts of the 1991 Buick Regal

Brakes
117 complaints
Body and structure
20 complaints
Seat belts
14 complaints
Electrical system
12 complaints
Steering
12 complaints
Exterior lighting
8 complaints
Transmission and drivetrain
7 complaints
Wheels
7 complaints
Fuel system
6 complaints
Suspension
6 complaints
Vehicle speed control
5 complaints
Equipment
4 complaints

← All problems reported for the 1991 Buick Regal

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