Whine or Growl Noise from the Power Steering System

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

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
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 indication 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 using J - 39570 chassis ear. 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 using J - 39570 chassis ear. 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 using J - 39570 chassis ear. 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 (Without LWN) , or Steering Gear Replacement (With LWN) . Did you complete the repair?	Go to Step 11	-
9	Replace the power steering pump. Refer to Power Steering Pump Replacement (With LWN) , or Power Steering Pump Replacement (With LC8 L96) , or Power Steering Pump Replacement (With LV1) . 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