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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 44 (Power Steering System) >> Diagnostic Information and Procedures >> Whine or Growl Noise from the Power Steering System (N40)

Whine or Growl Noise from the Power Steering System (N40)

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
Step Action Yes No
Special Tools 
CH-39570  Chassis Ear
For equivalent regional tools, refer to Special Tools .
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 procedure?
Go to Step 11  Go to Step 5 
5 Using the CH-39570  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 CH-39570  ear , 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 CH-39570  ear , 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 (N40) .
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