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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Power Steering System) >> Diagnostic Information and Procedures >> Whine or Growl Noise from the Power Steering System

Whine or Growl Noise from the Power Steering System

WARNING: This page is about a different car, the 2017 Chevrolet Spark. 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
Equivalent regional tools: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 gear for looseness and/or worn bushings.
Is the steering gear loose or are the bushings worn?
Go to Step 6  Go to Step 4 
4 Inspect the power steering motor for a whine or growl noise using the CH-39570  Chassis Ear.
Is the noise present at the power steering motor?
Go to Step 7  Go to Step 5 
5 Inspect the power steering gear for a whine or growl noise using the CH-39570  Chassis Ear.
Is the noise present at the power steering gear?
Go to Step 8  Go to Step 3 
6 Tighten the power steering gear fasteners or replace the power steering gear due to worn bushings. Steering Gear Replacement 
Did you complete the repair?
Go to Step 9  -
7 Replace the steering column, which includes the electronic power steering assist motor control unit. Steering Column Replacement
Did you complete the repair?
Go to Step 9  -
8 Replace the power steering gear. Steering Gear Replacement 
Did you complete the repair?
Go to Step 9  -
9 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3