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Whine or Growl Noise from the Power Steering System - Hydraulic Power Steering

Step

Action

Yes

No

1

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

Go to Step 2

Go to Symptoms - Power Steering System : Hydraulic Power Steering → Electronic Power Steering

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

Inspect the power steering gear for a whine or growl noise, preferably by using a listening device.

Is the noise present at the power steering gear?

Go to Step 8

Go to Step 6

6

Inspect the power steering pump for a whine or growl noise, preferably by using a listening device.

Is the noise present at the power steering pump?

Go to Step 9

Go to Step 7

7

Inspect the power steering hoses for a whine or growl noise, preferably by using a listening device.

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 : Hydraulic Power Steering → Electronic Power Steering .

Did you complete the repair?

Go to Step 11

9

Replace the power steering pump. Refer to Power Steering Pump Replacement : 2.0L Diesel LNP → 1.6L LDE and 1.8L 2H0 .

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

   


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