You will need to remove the tire and wheel. Remove the axle end cap. Remove the wheel bearing seal. Remove the wheel bearing. Reverse the process to install the new will bearing.
It's a sealed unit with the hub. You have to replace the whole hub assembly.
Here is a link to some good instructions. http://reviews.ebay.com/ebaymotors/Chevy-Silverado-4x4-Front-Wheel-Hub-Bearing-Replacement_W0QQugidZ10000000002536494
36mm
No it`s sealed unit
very carefully.
Front or rear?
More then likey it is either the left are right front wheel bearing that is bad.
Wheel bearing? Worn Brake pads?
Yes it will bolt right up.
Remove the tire and wheel from your 2001 Chevy Impala. Remove the end of the axle. Remove the wheel bearing nut. Remove the wheel bearing seal and the wheel bearing. Reverse the process to install the new front wheel bearing.
The nut on the axelshaft is 177 ft. LBS. The 4 bolts on the bearing hub is 133ft. LBS.
pop the cover take 4 screws out & put your new 1 in