One problem related to axle assembly has been reported for the 1998 Oldsmobile Silhouette. The most recently reported issues are listed below.
Vehicle was welded incorrectly from factory, and at about 35,000-40,000 miles it will start to pull apart, causing tires on rear axle to slant and eventually blowout. The transmission failed at 11000 miles, but the manufacturer replaced it. The tires were prematurly wearing out due to defective axle. The consumer states that 20 new tires were used in 39 months period.