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 in one or both directions.

Is the steering effort hard 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 Suspension General Diagnosis 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