GM Service Manual Online
For 1990-2009 cars only

Inspect the following components and the following conditions:

    â€¢ The steering gear for a restriction which causes an excessive back pressure
    â€¢ The pressure plates for wear or damage
    â€¢ The thrust plate for wear or damage
    â€¢ The rotor for wear or damage
    â€¢ The cam ring for wear or damage