GM Service Manual Online
For 1990-2009 cars only

Inspect the following components:

    • The joints from the column to the steering gear for wear
    • The joints from the column to the steering gear for improper installation
    • The steering gear valve for proper installation
    • The power steering pump for the sufficient pressure output
    • The power steering pump for internal leakage
    • The steering gear for internal leakage
    • The steering hydraulic system
    • The steering gear for binding and rough movement
    • The steering gear mounting for proper and secure installation
    • The tires for adequate inflation