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Increased humming noise on acceleration, decrease on deceleration. max noise at about 40 mph. not the tires

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6ya6ya
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Posted on Jan 02, 2017

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  • 31 Answers

SOURCE: Noise when accelerating and decelerating

this might be caused by a bad u-joint on your driveshaft.

Posted on Apr 29, 2009

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  • 6 Answers

SOURCE: 2002 Alero wont go over 40 mph

I happen to own a 2002 alero, and my wife called me and said the same problem had happened. Change your fuel filter.

Posted on Jul 31, 2009

caroldon
  • 17129 Answers

SOURCE: makes a humming sound between 30 and 40 mph

I suspect that one of your wheel bearing have worn out. SO to confirm please lift up one by one all the wheel and rotate. listen to any hum which corresponds to your noise. hold the wheel on either sides and check for any shake even a small one. if you detect a hum check the wheel bearings and the HUB, most cars have this assembly making the noise specially when the grease becomes dry or there had been water logging specially salty.If so change the bearings / hubs, when changing look out for any damage to the axle. I hope you get this right. Helpful? Good day.

Posted on Jul 07, 2010

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I have a 2010 RX350 which makes a humming noise between 30-35 mph, both while accelerating and decelerating. It's loud and driving me nuts. What could it be?


It could be bad tires to worn motor mounts.
If the tires are in good shape, rotate them to see if it makes a difference. If not, you could have a bad hub, or motor mount, based on the minimal information. The transmission and drive axle are also possible problems.

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Differential noise


indicates axle bearing failure rather than diff problems
diff failure is indicated by a growling noise on acceleration or deceleration or a constant harmonic hum while driving at a steady speed
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What's your problem? Just bought a HONDA CRV ELX 4 WD 2009 that has a growing humming noise coming, it looks like, from the tires. It grows with acceleration and ceases with deceleration. The tir


some tires howl. In some cases it is just the way the tread is made on tire....if car is not pulling and steers fine and there is no vibration than dont worry about it....wider and taller tires do it more than most...now that is if it is the tires,,,,may want to have it checked out just to be safe....good luck.......

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My front end makes a loud humming noise. At low speeds, I hear a humming noise and at high-speeds I can hear a noise in my tires. Not sure if it is an the wheel bearings, bad tires, or alignement.


Alignment will not create a sound by it's self. The most common cause of humming (especially if you have an agressive tread design)is a wear pattern in the tires...check for that or rotate the tires around & see if the noise changes. If it does then you know it's in the tires. & Not always, but most of the time a bearing noise will increase or decrease in intensity if you load up one side at a time by doing 35-50 mph & turning slightly to each side.

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I would tell the dealer you want your rear differential opened up, checked, and more fluid added. There really is no test they can do other than to pop the cover off the differential.

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