One problem related to radiator hose has been reported for the 1999 Chevrolet Silverado. The most recently reported issues are listed below.
Intermittently while applying the brakes power steering becomes inoperative which may result in loss of vehicle control. Dealer cannot determine the cause of the problem. Dealer has tried 4 times to repair this problem, but of no avail. Meanwhile dealer replaced gear steering box/power steering pump, and the cooling coil and hoses.