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
Chevrolet Uplander Front Struts May Wear at 75,000 Miles
Chevrolet Uplander Problem
Average Mileage: 64,500 mi (10,000 mi - 93,000 mi)
Very rough ride..Hasn't been fixed yet. Just purchased used 2 months ago. Also having problem with rear sliding door just opening by itself. Repaired once..not done right, still does it.
Visitor, 2006 Chevrolet Uplander, 93,000 mi
struts loose, replaced rotors, master cylinder