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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Power Rack & Pinion Steering System) >> Troubleshooting >> Whine Or Growl Noise

Whine Or Growl Noise

WARNING: This page is about a different car, the 2002 Pontiac Grand Am, 2002 Oldsmobile Alero, and 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Did you review the Power Steering System General Description and perform the necessary inspections? If yes, go to next step. If no, see VISUAL/PHYSICAL INSPECTION  .
  2. Verify that a whine or growl noise is present. Is a whine or growl noise present? If yes, go to next step. If no, system is okay.
  3. Perform the power steering test procedure in order to diagnose a hydraulic condition and repair or replace a component. See POWER STEERING SYSTEM TEST PROCEDURE  under TESTING. Did you repair or replace a power steering system component? If yes, go to step  10 .
  4. Using the Chassis Ear (J-39570), inspect the power steering gear for a whine or growl noise. Is the noise present at the power steering gear? If yes, go to step  7 . If no, go to next step.
  5. Using the Chassis Ear, inspect the power steering pump for a whine or growl noise. Is the noise present at the power steering pump? If yes, go to step  8 . If no, go to next step.
  6. Using the Chassis Ear, inspect the power steering hoses for a whine or growl noise. Is the noise present at the power steering hoses? If yes, go to step  9 . If no, go to step  2 .
  7. Replace the power steering gear. See STEERING GEAR  under REMOVAL & INSTALLATION. Did you complete the repair? If yes, go to step  10 .
  8. Replace the power steering pump. See POWER STEERING PUMP  under REMOVAL & INSTALLATION. Did you complete the repair? If yes, go to step  10 .
  9. Adjust the routing of the power steering hoses. Did you complete the repair? If yes, go to next step.
  10. Operate the system in order to verify the repair.
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