GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Did you review the Power Steering System Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Power Steering System

2

Verify that the steering effort is hard or too easy in one or both directions.

Is the steering effort hard or too easy in one or both directions?

Go to Step 3

System OK

3

Perform the power steering system test procedure in order to diagnose and correct a hydraulic condition. Refer to Power Steering System Test .

Did you diagnose and correct a hydraulic condition?

Go to Step 5

Go to Step 4

4

Review the Diagnostic Starting Point in order to diagnose and correct a mechanical condition. Refer to Diagnostic Starting Point - Suspension General Diagnosis .

Did you diagnose, repair, or replace a component?

Go to Step 5

Go to Step 2

5

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2