Time to change all 3 bearings. I just did it on my 1998 Tahoe with 200K miles. Not a easy job for your joe the average home mechanic. cost, about $750.00
how do you replace a wheel bearing assembly on the left side of a 2007 chevy tahoe with 4wd and abs brakes
What are the torque specs for a 2004 2WD Chevy Tahoe front wheel bearing assembly 5.3 liter engine
That sound may be your power steering pump low or out of fluid
Is a 1999 chevy tahoe transmission compatible with a 2001 chevy tahoe transmission?
When it starts leaking are making noise.
YES
Perhaps excess bearing clearance?
Here is a link to some good instructions. http://reviews.ebay.com/ebaymotors/Chevy-Silverado-4x4-Front-Wheel-Hub-Bearing-Replacement_W0QQugidZ10000000002536494
Try drilling a very small hole at the rear of the motor to lubricate the bearing
No
Chevy Tahoe
Typically at the brake rotor. It is a magnetic hall-effect sensor that usually reads off of the wheel bearing or the CV.