GM Service Manual Online
For 1990-2009 cars only

Whine or Growl Noise from the Power Steering System for Chevrolet Malibu Classic 2008

Whine or Growl Noise from the Power Steering System EPS

Step

Action

Yes

No

1

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

Go to Step 2

Go to Symptoms - Power Steering System

2

Verify that a rattle, clunk or shudder noise is present.

Is a rattle, clunk or shudder noise present?

Go to Step 3

System OK

3

Inspect the power steering gear for the proper installation. Refer to Steering Gear Replacement .

Is the power steering gear installation incorrect?

Go to Step 6

Go to Step 4

4

Inspect the intermediate shaft.

Is the intermediate shaft worn?

Go to Step 8

Go to Step 5

5

Inspect the suspension.

Is the suspension worn?

Go to Step 7

Go to Noise Diagnosis - Front Suspension

6

Install the power steering gear correctly. Refer to Steering Gear Replacement .

Did you complete the repair?

Go to Step 9

--

7

Replace the worn suspension components.

Did you complete the repair?

Go to Step 9

--

8

Replace the intermediate shaft. Refer to Intermediate Steering Shaft Replacement .

Did you complete the repair?

Go to Step 9

--

9

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3

Whine or Growl Noise from the Power Steering System HPS

Step

Action

Yes

No

1

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

Go to Step 2

Go to Symptoms - Power Steering System

2

Verify that a whine or growl noise is present.

Is a whine or growl noise present?

Go to Step 3

System OK

3

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 5

Go to Step 4

4

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

Did you complete the procedure?

Go to Step 11

Go to Step 5

5

Using the J 39570 Chassis Ear, inspect the power steering gear for a whine or growl noise.

Is the noise present at the power steering gear?

Go to Step 8

Go to Step 6

6

Using the J 39570 , inspect the power steering pump for a whine or growl noise.

Is the noise present at the power steering pump?

Go to Step 9

Go to Step 7

7

Using the J 39570 , inspect the power steering hoses for a whine or growl noise.

Is the noise present at the power steering hoses?

Go to Step 10

Go to Step 2

8

Replace the power steering gear. Refer to Steering Gear Replacement .

Did you complete the repair?

Go to Step 11

--

9

Replace the power steering pump. Refer to Power Steering Pump Replacement .

Did you complete the repair?

Go to Step 11

--

10

Adjust the routing of the power steering hoses.

Did you complete the repair?

Go to Step 11

--

11

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3