Humming on Acceleration - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 9 (permalink) Old 01-29-2013, 08:22 PM Thread Starter
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Humming on Acceleration

I've seen other posts on this but I wanted to get an opinion on my specific issue. It's pretty much just what the title says. The faster I go, the louder it gets inside the cabin. It's like a jet taking off. If it's for sure the bearing, I'll just get two new ones and be done with it.

Also, I'll link the part I think I'll need. From what I can find, it would be easier to just replace the whole hub on both sides.
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http://www.trademotion.com/parts/2009/CHEVROLET/COBALT/LT?siteid=214858&vehicleid=1442863&section=FRONT%20SUSPENSION&group=FRONT%20SUSPENSION&subgroup=SUSPENSION%20COMPONENTS&component=FRONT%20HUB
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post #2 of 9 (permalink) Old 01-30-2013, 08:05 AM
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Probably is your hub. I can get them much cheaper and ship them to you if you want...

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post #3 of 9 (permalink) Old 04-12-2013, 08:29 AM Thread Starter
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An update for anyone interested, I bought a new front hub assembly from amazon for around $50. The only problem I had was getting the old hub out which took some doing (heat, hammer, chisel) but other than that it was smooth sailing. I've done some driving on it and not only is the noise gone, the ride is a little better and there's no more wobble in my steering wheel.
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post #4 of 9 (permalink) Old 04-12-2013, 08:45 AM
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thats good to hear! glad you got it fixed! Welcome to the forums and feel free to post some pics of yo ride!


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post #5 of 9 (permalink) Old 04-12-2013, 09:00 AM
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Nice. Thanks for reporting a fix!

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post #6 of 9 (permalink) Old 04-12-2013, 09:01 AM
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Replacing both is not a good idea. Just replacing the bad one is the way to go because a bearing can last 300000 miles or it can last 300 miles. What I'm getting at is the other bearing might outlast the new one.

Hammer Hub puller works way better than trying to sledge it out though. Mine only took two good pulls.

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post #7 of 9 (permalink) Old 04-12-2013, 09:24 AM Thread Starter
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Yeah, I looked around for an easier way to get it out but it wasn't until I had the caliper taken apart and was ready to go. There's also a "sacrificial bolt" method I read about but I didn't really have the patience to go get more stuff, you know being in the moment and whatnot. I'm not worried about the other side. I decided the problem started when I hit a pothole at 55 mph I went to get an oil change at the dealership (which I have decided was silly now) and they did a free inspection and said the right strut was messed up. So since then, I've replaced both struts and the steel wheel (that not only bent but CRACKED on a seem) and now this bearing. I think all my damage from that incident has been fixed at this point, now I can put some money into mods.
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post #8 of 9 (permalink) Old 04-12-2013, 09:49 AM
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Life is a learning process. Glad you got her back in A1 shape.

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post #9 of 9 (permalink) Old 04-12-2013, 09:51 AM
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I just googled hammer hub puller, I wish I had one of those when I did my hubs last summer. Definitely investing in one next time around!

Last edited by Batmobile; 04-12-2013 at 09:53 AM.
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