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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1926 (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 2009 Saturn Vue. 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 Description and perform the necessary inspections? Go to Step 2  Go to Symptoms - Power Steering System (with HPS)  or Symptoms - Power Steering System (with EPS) 
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 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 8  Go to Step 6 
6 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 9  Go to Step 7 
7 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 10  Go to Step 2 
8 Replace the power steering gear. Refer to Steering Gear Replacement (HP5)  or Steering Gear Replacement (NJ1 or HP7)  or Steering Gear Replacement (NVH) .
Did you complete the repair?
Go to Step 11  -
9 Replace the power steering pump. Refer to Power Steering Pump Replacement (LY7)  or Power Steering Pump Replacement (LZ4)  or Power Steering Pump Replacement (LE5) .
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