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

Go to Step 2

Go to Symptoms - Power Steering System

Verify that a whine or growl noise is present.

Is a whine or growl noise present?

Go to Step 3

System OK

Perform the power steering test procedure in order to diagnose a hydraulic condition and repair or replace a component. Refer to Power Steering System Test .

Did you repair or replace a power steering system component?

Go to Step 10

Go to Step 4

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 7

Go to Step 5

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 8

Go to Step 6

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 9

Go to Step 2

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

Did you complete the repair?

Go to Step 10

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

Did you complete the repair?

Go to Step 10

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Adjust the routing of the power steering hoses.

Did you complete the repair?

Go to Step 10

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3