GM Service Manual Online
For 1990-2009 cars only

Important: The following step must be completed before using the symptom tables.

Review the system description and operation in order to familiarize yourself with the system functions. Refer to Power Steering System Description and Operation .

Visual/Physical Inspection

    • Inspect for aftermarket devices which could affect the operation of the power steering system.
    • Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
    • Inspect the power steering reservoir for the proper power steering fluid level and condition.

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

    •  Power Steering Fluid Leaks
    •  Rattle, Clunk, or Shudder Noise from the Power Steering System
    •  Whine or Growl Noise from the Power Steering System
    •  Steering Effort Hard in One or Both Directions
    •  Steering Effort Too Easy in One or Both Directions