Three problems related to power steering pump have been reported for the 2002 Chevrolet Trailblazer. The most recently reported issues are listed below.
Power steering pump shalt broke causing failure of power steering.
Power steering pump failed while the driver was making a right turn. Although the driver was turning steering wheel to the right the vehicle continued to go straight in oncoming traffic. The driver was able to avoid a collision.
Power steering pump failed while driving at highway speed of 55 mph. Dealer notified. Feel free to provide any further information.