Two problems related to power steering pump have been reported for the 1997 Chevrolet Silverado. The most recently reported issues are listed below.
While driving out of a parking lot was not able to steer the vehicle. Power steering shaft pump broke internally. Contacted the dealer.
Vehicle wanders while driving at 40 mph or more. Vehicle was inspected by dealer, but nothing could be found. Can NHTSA provide additional information regarding this matter. * power steering moved irrationally causing the driver to move into other lane.