Visual/Physical Inspection
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect for aftermarket devices which could affect the operation of the power steering system.
- Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
- Inspect for leaking power steering components. If necessary, refer to Power Steering Fluid Leaks .
- Verify the power steering reservoir for the proper operating specification. Refer to Checking and Adding Power Steering Fluid (Without Hydroboost) , Checking and Adding Power Steering Fluid (With Hydroboost) .
- Inspect the power steering fluid for the following indications of contamination:
- Milky fluid - water
- Brown fluid - burnt
- Debris in fluid - plastic or dirt
- If necessary, flush the power steering system. Refer to Power Steering System Flushing .