Two problems related to power steering pump have been reported for the 1998 Chevrolet Astro. The most recently reported issues are listed below.
While driving at approx 25 mph, making a sharp turn, lost complete steering and brakeing and all power assist. Had to downshift in order to gain control of vehicle. Dealer replaced power steering pump. Brakes work off pump. Dealer cannot find problem. This defect can result in an accident.
While backing out of a parking space, the steering belt tensioner fell off, causing loss of steering control. Please give any further detail.