One problem related to axle shaft has been reported for the 2000 Lincoln LS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Lincoln LS based on all problems reported for the 2000 LS.
I have a Lincoln Ls 2000 which had to have the rear wheel bearings replaced( done 6/27/05) after 34,343 miles. Crossing an intersection on 6/29/05, the left rear axle broke, making the car inoperable with on coming traffic from both left and right. Luckily, cars were able to stop and help push car off the road. Axle was replace 34,400 miles. On 8/6/05, driving the vehicle in town, the same thing happened, making the car inoperable, blocking traffic and opportunity for an accident. This time the right rear axle broke ( 34,806 miles). Both incidents if had happened on an interstate or very busy road, would have definitely resulted in an accident and severe injury or death. Both Lincoln and the dealer (bob wade Lincoln, harrisonburg, va) have told me they don't know what caused the issue.