The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.Google+
Car Problem Reports
Buick Lucerne Front Struts May Wear at 75,000 Miles
Buick Lucerne Problem
Average Mileage: 68,986 mi (53,000 mi - 88,459 mi)
Visitor, 2006 Buick Lucerne, 88,459 mi
I got brand new tires for my car but when i get on the highway it start shaking at the speed 65-75 i when back to the tire place they said that did a wheel-alignment and wheel balances. they didn't know why it's was shaking so bad i also had two strut mount replace i don't know what it is??
Visitor, 2008 Buick Lucerne, 53,000 mi
New strut mounts and struts
Visitor, 2006 Buick Lucerne, 65,500 mi
I noticed the front right strut mount worn out, upon looking further, the back two struts also were worn down. Having reliable mechanic fixed all four struts.