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 Park Avenue Front Struts May Wear at 75,000 Miles
Buick Park Avenue Problem
Average Mileage: 132,700 mi (72,000 mi - 220,000 mi)
Visitor, 2005 Buick Park Avenue, 151,200 mi
Had the dealer fix it.
started a rough ride, bouncing, and RLC failure to go off, or repediately going off, replace rear shock. Leaking.
Visitor, 1999 Buick Park Avenue, 160,000 mi
Shaking and wobbling. bad break stop distance.
Visitor, 1994 Buick Park Avenue, 220,000 mi
I started back in Aug (and it's now March). That was probably 20k miles ago, but other than that and a few other problems I love the car.
Visitor, 1999 Buick Park Avenue, 73,000 mi
Noise in front right when going up or down the driveway.