GM Service Manual Online
For 1990-2009 cars only

Problem

Action

There is a growling noise in the power steering pump.

Inspect the system for the following conditions:

    • Excessive back pressure that is caused by one of the following conditions:
       - A restricted hose
       - A restricted steering gear
    • Scoring on one of the following components:
       - The pressure plates
       - The thrust plate
       - The rotor
    • A worn ring