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Showing results for tags 'wheel hub'.
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New to the site and looking for some help on my recently acquired 2002 Avalanche 1500 4x4 with 140k miles. I was working on replacing the front wheel hub and half-shaft yesterday. Finally got the hub out using an air chisel and hammer. Hub was rusted in pretty tight. So after I got the hub out I used a wire brush on the steering knuckle to remove all of the rust. I put a thick layer of anti-seize on the knuckle and put the hub in. The hub slid right into the knuckle. It was actually so loose that it would fall out if I did hold it in and I could move it slightly around in the hole. I was in a hurry as I was running late for diner with the in-laws and didn’t think about it much at the time. Reassembled everything and took it for a test drive. Truck ran great ABS light went out and everything seemed fine. Later that evening I started thinking about it and remembered that every other hub I had replaced I had to pull it into the knuckle with the mounting bolts. So now I am thinking that the hub is being held in place only by the three mounting bolt rather than by the tight fit of the hub to the steering knuckle hole. So do I need to replace the steering knuckle due to the rust enlarging the hole for the wheel hub? I am worried about driving the truck with just the three mounting bolt holding up the front wheel.
During a recent 'snow/ice storm' in Portland and frequent use of the 4x4 hi and low, I wore out my passenger hub bearing unit. I knew it was from the 4x4 because after the thaw, I had a severe wobble/clank from that wheel. Long story short, replaced it, it went away. Now, when In 4hi, the drivers front wheel hums, even at a low speed. Not the type of hum you get from freeway speeds, but as though there is some sort of tension that's creating noise. Again, it's only when 4x4 is engaged. I'd like to know if it is the hub or if it's the 4wheel drive itself. There's minor play in the steering at high speeds in 2wheel from my control arm that desperately needs replaced but no play in the wheel itself when it's in the air and I wiggle it back and forth. I would reaaaaallllyyyy like to avoid the shop since just last week I had the tranny rebuilt ? Any insight is appreciated. P.s., there's 240k miles on this rig...except the trans!