Squealing when turning
When I turning the wheel squealing grinding noise.
Is that the power steering? What can I do to fix it?
Yes. Begin by checking power steering fluid. A power steering pump low on fluid has a distinctive sound, s sort of 'growl;. and I cheched first to make sure that the 2011 Impala does not have electronic p/s, it does not. If the fluid is good, may be the serpentine belt loose, especially when you hear a squeal. Merry Christmas, ~~David
Even if you engine does not look exactly like this, the p/s reservoir will look like this an image of a steering wheel
https://www.chevrolet.com/content/dam/Chevrolet/northamerica/usa/nscwebsite/en/Home/Ownership/Manuals_and_Videos/02_pdf/2011_Impala_Owner_Manual.pdf Chapter 11 Page 6 Power Steering System GM Power Steering Fluid (GM Part No. 89021184, in Canada 89021186).
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