1999 Buick Lesabre Engine cooling Problems
- Complaints
- 69about this part
- Share
- 33%of 209 total for the year
- Median mileage
- 66,486miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 69 complaints about the engine cooling of the 1999 Buick Lesabre, 33% of the 209 complaints for this model year. Where a mileage was given, the median is 66,486 miles. 1 of these say a crash was involved and 10 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“While driving 25 MPH the engine light illuminated then the vehicle stalled. The dealership was notified but did not resolve the problem. The vehicle stalled because of a cracked plenum which allowed water to enter the engine. The dealer replaced the plenum, spark plugs, cleaned lower intake and cleaned the coolant from the cylinders.”
NHTSA complaint #10075461, filed 2004-06, 84,896 miles“While driving the vehicle stalled. The driver pulled over and turned the vehicle off, but was unable to restart it. Vehicle was then towed to the dealership, but the mechanic determined that the problem could not be duplicated. Vehicle would stall while driving at any speed. The fuel pressure regulator was replaced under recall 03054 and the ignition control module was also replace but neither of these repairs corrected the problem.”
NHTSA complaint #10117747, filed 2005-05, 31,014 miles“While driving at 35 MPH, the vehicle over heated due to a plastic intake manifold. The consumer was forced to pull over. An independent technician replaced the manifold. The consumer stated the vehicle did not have a warranty. Dealer notified. . The engine coolant ate through the plenum chambers.”
NHTSA complaint #10031702, filed 2003-08, 28,000 miles“Antifreeze leaking into engine through intake manifold plenum causing expensive replacement engines and or parts. Dangerous if engine locks up while driving.”
NHTSA complaint #10379255, filed 2011-01, 89,400 miles“Engine seized and wouldn't start. Found the intake manifold full of antifreeze. Caused by a faulty intake manifold. Replaced manifold, changed oil and antifreeze and replaced cracked starter.”
NHTSA complaint #10253595, filed 2009-01, 68,628 milesRelated service bulletins
- 10246631Sep 1, 2013Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
- 10012148Jun 1, 2004New rear main seal and special tool for installation.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 1 | 1% |
| 2004 | 8 | 5% |
| 2003 | 8 | 5% |
| 2002 | 18 | 6% |
| 2001 | 28 | 9% |
| 2000 | 78 | 12% |
| 1999 | 69 | 33% |
| 1998 | 196 | 49% |
| 1997 | 110 | 28% |
| 1996 | 18 | 18% |
| 1995 | 14 | 8% |
| 1994 | 36 | 23% |
| 1993 | 25 | 13% |
| 1992 | 26 | 14% |
| 1991 | 5 | 17% |
| 1990 | 5 | 11% |
| 1989 | 2 | 7% |
| 1988 | 2 | 10% |
| 1987 | 6 | 15% |
| 1986 | 6 | 38% |
| 1985 | 1 | 20% |
| 1984 | 2 | 40% |
Other parts of the 1999 Buick Lesabre
28 complaintsFuel system
28 complaintsBrakes
20 complaintsSuspension
19 complaintsTransmission and drivetrain
15 complaintsAir bags
13 complaintsVehicle speed control
9 complaintsVisibility (wipers, defrost, mirrors)
9 complaintsSteering
8 complaintsSeats
6 complaintsBody and structure
6 complaintsTires
5 complaints
← All problems reported for the 1999 Buick Lesabre
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