SAAB WIS ONLINE

Whine or Growl Noise from the Power Steering System

Whine or Growl Noise from the Power Steering System


Special Tools

CH-39570 Chassis Ear

For equivalent regional tools, refer to Special Tools .


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 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 Flushing . Did you complete the operation? Go to Step 11 Go to Step 5
5
Use the CH-39570 ear in order to inspect the steering gear for a whine or growl noise. Is the noise present at the steering gear? Go to Step 8 Go to Step 6
6
Use the CH-39570 ear in order to 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
Use the CH-39570 ear in order to inspect the power steering pipes and hoses for a whine or growl noise. Is the noise present at the power steering pipes or hoses? Go to Step 10 Go to Step 2
8
Replace the 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 (LAU) Power Steering Pump Replacement (LF1) . Did you complete the repair? Go to Step 11 -
10
Adjust the routing of the power steering pipes or 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