Buick Lesabre owners have reported 142 power train related problems since 1996. Table 1 shows the 24 most common power train problems. The number one most common problem is related to the vehicle's automatic transmission (37 problems). The second most common problem is related to the vehicle's power train (23 problems). For details of each of the problem category, use the links in the table.
I was driving back home from a friends house and had the car parked in my drive way and it was left running and it was in park then I went out to leave and the car was running for about 3 min sitting there and I put it into reverse and it would not move no matter what so I tried all the gears it Read details...
The transmission doesn't shift correctly even after it's warmed up it is erratic and rough while connecting the transmission gears and jerks very hard at most times. The power steering is not working correctly and makes it difficult to drive at all with the combined issues I'm very concerned about Read details...
This incident is regarding a sudden transmission failure on a 2003 Buick Lesabre, purchased in may of 2003. In January of 2008, with 47,692 miles on the car, the transmission suddenly failed while the vehicle was in use. Read details...
When we first bought my Buick back in 2002 we have had tranny problems with noises and hesitation. We took it back to the dealership and they replaced the valvebody. That didn't help the noise but it helped the hesitation. Read details...
Within the passed 2 months I have been experiencing "hard shifts". Very pronounced jolt/jerk when accelerating after a full stop or decelerating to come to a stop. Just researched on this site and found many other consumers with 2004 Lesabre's experiencing same situation. Read details...