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Other or unknownPart report

1999 Buick Lesabre Other or unknown Problems

Complaints
4about this part
Share
2%of 209 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 other or unknown of the 1999 Buick Lesabre, 2% of the 209 complaints for this model year. 2 of these say a crash was involved and 1 a fire, according to the filers.

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.

“As I was driving from the gas station I took a left and as I accelerated, the engine started to vibrate. I I had never noticed this before that day. So proceed to take my time carefully back to work. I examined the undercarriage of my 99 Lesabre custom and that's where I noticed that the drivers side subframe bushings have all but fell out due to severe rust. Thankfully the passenger side is still firmly attached. Upon further research, this is a common problem with GM cars of this era and the dorman replacement parts are readily available. …”

NHTSA complaint #11196784, filed 2019-04

“Simple facts when rear ended the seats on 1999 Buick Lesabre broke back sending in back seat,seat belt nearly killed me , and the jack placed on the right wing flew in the front seat...... Then in 2002 the car caused a major explosion nearly killing me with a flying Buick sign caught on fire the tires .....etc problem ....intake manifold the car only had little mileage and yes was well maintained”

NHTSA complaint #10071313, filed 2004-01

“While traveling at 60 MPH and over a bump, the vehicle would jump all over the road consumer first noticed that vehicle leaned severely on curves, this would almost cause loss of vehicle control, at times, the back shocks would bottom out, consumer had the rear springs replaced. Recently, consumer lost control of the vehicle, overcorrected, and vehicle overturned, consumer was killed in the accident, his wife was also injured. …”

NHTSA complaint #860159, filed 2000-04

Other or unknown: other model years

YearComplaintsShare of year
200545%
200496%
2003117%
2002114%
2001165%
2000193%
199942%
1998113%
199782%
199611%
1995116%
199432%
199321%
199295%
199113%
199012%
198914%
198616%
1985120%

Other parts of the 1999 Buick Lesabre

Engine cooling
69 complaints
Electrical system
28 complaints
Fuel system
28 complaints
Brakes
20 complaints
Suspension
19 complaints
Transmission and drivetrain
15 complaints
Air bags
13 complaints
Vehicle speed control
9 complaints
Visibility (wipers, defrost, mirrors)
9 complaints
Steering
8 complaints
Seats
6 complaints
Body and structure
6 complaints

← All problems reported for the 1999 Buick Lesabre

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