GM Service Manual Online
For 1990-2009 cars only

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Action

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DEFINITION: The Power Steering System Test Procedure will perform the following functions:

    • Test the operation of the hydraulic power steering system.
    • Test the operation of the power steering pump and power steering gear.
    • Identify restrictions in the system.

1

Inspect the power steering fluid for the following indications of contamination:

    • Milky fluid--Water
    • Brown fluid--Burnt
    • Debris in fluid--Plastic or dirt

Is the fluid free of contamination?

Go to Step 3

Go to Step 2

2

Flush the power steering system. Refer to Power Steering System Flushing

Did you complete the procedure?

Go to Step 3

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3

Important: In order to accurately diagnose the system, the malfunction must be present during the test procedure.

Attempt to duplicate the condition.

Is the condition present?

Go to Step 1

System OK