- #9 of 105
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Humming Noise Update
by lincoln6echo
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Dec 28, 2006 (3:05 pm)
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Okay, I've narrowed down the humming noise to the front left wheel. I jacked up the truck and spun the wheel freely. I could tell then that this is where the noise is happening from. Then, I took off the wheel, removed the caliper and then spun the rotor and it still made this strong noise. I am guessing that I will have to replace the wheel bearing. I can't think of anything else that would cause this. Nothing in the engine, it's not the tires, and I'm pretty sure this would be the problem. Unfortunately, they only sell the bearing with the hub assembly together at any parts store for like $200. But on "Rockauto.com" I can buy the wheel bearing by itself for like 13 bucks and have someone press the new bearing into my stock hub.
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- #10 of 105
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Re: Humming Noise Update [lincoln6echo]
by repairdog
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Dec 30, 2006 (5:15 am)
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Replying to: lincoln6echo (Dec 28, 2006 3:05 pm)
One piece hub is NOT rebuildable - have to buy the assembly - older models used the separate bearing. Both Advance and AutoZ carry the hubs but do not get the cheapest bargin ones they fail.
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- #11 of 105
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Re: Humming Noise Update [repairdog]
by lincoln6echo
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Jan 01, 2007 (10:14 pm)
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Replying to: repairdog (Dec 30, 2006 5:15 am)
Okay. I'm going see what I can do and keep ya posted on what's happening. Thanks!
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- #12 of 105
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Humming Noise
by lincoln6echo
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Jan 11, 2007 (11:26 am)
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SO.... I'm going to buy a wheel bearing/ hub assembly next week. One of my friends works at autozone, so he may be able to get me a 20% discount...which is good because after tax I'll only be paying $170, and it comes with a 1 yr' warrenty.
My only question now is, is replacing the entire hub assemlbly managable or is this gonna be a pain? The bolts are not rusted so I hope this goes well....THANKS!
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- #13 of 105
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Re: Humming Noise [lincoln6echo]
by rherna56
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Jan 11, 2007 (3:55 pm)
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Replying to: lincoln6echo (Jan 11, 2007 11:26 am)
good luck i tried to replace mine my self and got everything apart bought brand new part on ebay for $95 shipped, so i was excited, well problem is the bearing is machine pressed in so u will have to take everything off totally off the car and bring to a shop to take off and pressed back in, i confirmed with pep boys and even online, dont bother. im bringing it to pep boys they will put my part in and just pay labor and they just wont warranty the part... no other choice i guess.... didn't feel like taking the hub and all off the truck would have to remove the arm and other stuff, to much... was easy enough oh yea if u r going to do yourself make sure u buy a deep socket 35 mm ususally impact socket they sell at parts america 20 bucks to take off the center nut... then use a puller to pull away from the axle after that if it wasnt machine pressed in it would be easy.
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- #14 of 105
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Re: Humming Noise [rherna56]
by repairdog
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Jan 12, 2007 (5:36 am)
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Replying to: rherna56 (Jan 11, 2007 3:55 pm)
Not too hard. The axle hub nut on 4wd is 36mm and the bolts on the rear holding hub on are 18mm (same for the caliper). So loosen the axle 36mm and then jack it up and safety put jack stands under. Remove wheel and then brake caliper and tie off to the side. Remove caliper bracket, then the rotor comes off (if not hit it with a mallet to break rust free). Then unbolt the small bolts holding the ABS sensor wire to front and unclip at frame connector. Unbolt the three 18mm bolts on rear of hub, and use a large 6" 2 jaw puller to pull hub off CV shaft or a block of wood and large hammer (don't destroy the threads on the shaft). That's it - pull new one one and put other parts back on. The new style one piece hubs have nothing you have to press on - must be older hub with separte bearings (pre 98).
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- #15 of 105
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Re: Humming Noise [repairdog]
by rherna56
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Jan 12, 2007 (6:05 am)
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Replying to: repairdog (Jan 12, 2007 5:36 am)
mine is a 2000 gmc jimmy and it needed to be machne pressed out. i dont know what u had but if its that year u can call a garage or the dealer to confirm
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- #16 of 105
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Re: Humming Noise [repairdog]
by lincoln6echo
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Jan 13, 2007 (11:06 am)
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Replying to: repairdog (Jan 12, 2007 5:36 am)
Mine is 2wd, 2002 model. Not sure what challenges I will face in the near future, but I hope it's as easy as taking the old one out and putting the new one in
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- #17 of 105
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Re: Humming Noise [lincoln6echo]
by repairdog
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Jan 14, 2007 (4:24 am)
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Replying to: lincoln6echo (Jan 13, 2007 11:06 am)
2wd is simple no CV shaft and I still have no clue what was pressed out unless he did CV shaft rebuilds (???)
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- #18 of 105
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Re: Humming Noise [repairdog]
by lincoln6echo
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Jan 14, 2007 (11:17 am)
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Replying to: repairdog (Jan 14, 2007 4:24 am)
I'm relieved to know that this is simple, if you say so. If your question is for me about cv shaft rebuild, I did not rebuild them....only working with wheel bearing.
-Thanks again Repairdog!
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