I gave my son my 03 Explorer, which is a XLT with the 4.6 V8. It probably has about 160K on the odometer, currently. He told me he is having some power steering issues with it. It is making some pump whine; however, the fluid-level is not below the minimum line on the pump fluid reservoir.
It also wants to "pulsate" the steering wheel, when going around a corner.
He is going to get some fluid and bring it up to the full mark.
Does this sound like the start of issue with the pump or the rack............or both?
No pressure test, yet.
As always, thanks so much for your great information.