i have done some searching and i guess i am putting the wrong search information in. i have noticed i slight humm , in the front wheels going down the highway when i turn the wheels slightly to change lanes. i shook the wheels and i felt a little movement . i assume i need to tighten the wheel bearings a little but i am not sure how to do it. i have manual locking hubs on a 10 bolt axle. i am sure i thought i saw a little writeup on this but i can find it. can somebody help me?