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Old 04-02-2011, 12:05 PM
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Steering column hum/drone/moan

In case it's relevant- V6 with electric power steering pump.

I hear this weird hum/drone/moan when driving, coming from in front of the driver, seemingly through the steering column. It occurs whenever this car is moving. It's loudest right at 64 mph, and also when coasting from 40 mph down to about 20 mph.

It does not seem to occur just when turning the steering wheel. It does seem to get more pronounced on rough pavement, but it does _not_ change frequency with speed.

My tires were inflated 42psi on delivery. I thought releasing air down to 36 psi may correct it. It didn't, though it may have gotten quieter.

I can even hear it when music is playing because my ears have become attuned to it. I can even feel it slightly in the steering wheel.

I noticed it about 5 minutes after picking up the vehicle, when it was brand new. The car has 850 miles on it.

It's around this tone, 250hz:
http://www.eminent-tech.com/music/250hztone.wav

I took it to the dealer for the PCM update, and the tech wrote that he couldn't reproduce. So I took him for a ride. He did admit he could feel something, at 64 mph, but he thought it was just tire noise.

It just seems took loud to be tire noise. And it doesn't change frequency with speed. I should have asked to drive another vehicle to see if it exhibited the same issue.

Does this sound familiar to anyone? Any ideas?
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Old 04-02-2011, 09:08 PM
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Re: Steering column hum/drone/moan

I don't know if negative responses will help you, but I don't hear anything like that in my jeep, or feel any unusual vibration through the steering column / wheel.

Dennis
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Old 03-16-2012, 02:28 AM
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Re: Steering column hum/drone/moan

I have a 2011 overland with the same problem has anyone had the front end problem fixed yet.any input would help
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Old 03-16-2012, 05:23 AM
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Re: Steering column hum/drone/moan

Quote:
Originally Posted by Djv1389 View Post
I have a 2011 overland with the same problem has anyone had the front end problem fixed yet.any input would help

Dealership replaced bearings on the right side and the noise went away. I only heard the noise when I hit about 65 to 70 miles. P
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