Thread: Car makes humming noise when driving

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  1. #1 Car makes humming noise when driving 
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    I was driving my 07 Grand Prix earlier today. It had been raining out and I took a corner a little too fast. My brakes locked up and I ended up hitting the curb pretty hard but avoided hitting anything else (luckily).

    I left for work later and noticed that when I approach the 20mph mark, the car makes a very loud humming noise. Once I got on the highway and was going about 65, the noise quieted down considerably. And the noise stops completely when the car is stopped.

    Did I knock something loose when I hit the curb earlier? Is it a serious problem?

    Thanks for any help that you folks can give me.
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  2. #2 Re: Car makes humming noise when driving 
    Killa Bee Scottydoggs's Avatar
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    chances are you killed the wheel bearing/hub assembly.

    also make sure your lower control arm is not bent, and tie rod are still good. <<<this would be the first place to look if your steering wheel is no longer straight.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: Car makes humming noise when driving 
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    I'm supposed to go out of town after my shift at work today. Is it safe to drive for a day or two or is this the kind of thing that should be repaired ASAP?
    "Old Soldiers never die; they just fade away." -General Douglas MacArthur
    R.I.P. PFC Dusty Seidel
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  4. #4 Re: Car makes humming noise when driving 
    Donating Users RareGMFan's Avatar
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    If this was due to normal wear and tear, you might be able to get away with it for a while before any of those parts get bad enough that they'd completely break on you/leave your vehicle inoperable. However, since this happened due to impact, I would definitely get it looked at to see how bad the damage is before making a long trip or driving 65mph again. You do NOT want a tie rod letting loose on you at those speeds.
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  5. #5 Re: Car makes humming noise when driving 
    Killa Bee Scottydoggs's Avatar
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    if you can hear it, it should be fixed. i just did one on my car yesterday, took a whole 45 minutes to do. nothing real hard about it, if you can change your brakes you can change a hub. i say that because the brakes need to come off, completely off.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  6. #6 Re: Car makes humming noise when driving 
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    Okay. Thanks for the help guys, I really appreciate it
    "Old Soldiers never die; they just fade away." -General Douglas MacArthur
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  7. #7 Re: Car makes humming noise when driving 
    Killa Bee Scottydoggs's Avatar
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    heres the how to. if you plan on doing it your self. i got a timken for 119.00 at auto zone friday night. dont buy a cheap o hub, unless you like to do jobs twice.

    http://www.grandprixforums.net/how-r...ubs-10985.html

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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