GM Service Manual Online
For 1990-2009 cars only

Consider all systems when diagnosing steering system conditions. Always road test the vehicle in order to avoid misdiagnosis of a power steering system condition. Perform the following procedures in order to diagnose and correct any substandard conditions:

    • Inspect the tires for the following conditions:
       - Incorrect pressure
       - Uneven wear
    • Inspect the joints from the column to the steering gear for the following conditions:
       - Loose connectors
       - Worn connectors
    • Inspect the front suspension for the following conditions:
       - Loose components
       - Damaged components
    • Inspect the rear suspension for the following conditions:
       - Loose components
       - Damaged components
    • Inspect the steering gear for the following conditions:
       - Loose components
       - Damaged components
    • Inspect the power steering system for leaks.
    • Inspect the power steering fluid level.
    • Inspect the pump drive belt tension.