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Old 07-09-2013, 12:38 PM   #1
The FlyerFly
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Bad rumble in right front

I have a 03 Dakota 4x4 that is rumbling badly from the right front. The rumbling increases and gets louder steadily with speed, transfers slightly through the steering column, and goes away when turning right and taking the weight off the right front tire. It is also doing this when in 2WD. I have replaced the bearing hub assembly but that didnt fix it. I have also pulled out the CV axle, but am unable to tell if this is the problem. I'm also not finding any worn bushings or ball joints, or at least not enough wear to justify this horrid sound.

It is my understanding that a worn CV will produce a clicking noise when turning. I havent noticed this at all, yet I can't imagine what other moving parts could be causing this rumbling. I have also taken a look at the spline on the differential, and other than the normal tiny bit of movement, it looks fine.

Suggestions? I am leaning toward replacing the CV axle, but the boots are intact and I have already dropped $96 on a part I didnt need, so I'm being cautious.

Thanks in advance.
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Old 07-09-2013, 02:55 PM   #2
gmtech1
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Re: Bad rumble in right front

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Originally Posted by The FlyerFly View Post
I have a 03 Dakota 4x4 that is rumbling badly from the right front. The rumbling increases and gets louder steadily with speed, transfers slightly through the steering column, and goes away when turning right and taking the weight off the right front tire. It is also doing this when in 2WD. I have replaced the bearing hub assembly but that didnt fix it. I have also pulled out the CV axle, but am unable to tell if this is the problem. I'm also not finding any worn bushings or ball joints, or at least not enough wear to justify this horrid sound.

It is my understanding that a worn CV will produce a clicking noise when turning. I havent noticed this at all, yet I can't imagine what other moving parts could be causing this rumbling. I have also taken a look at the spline on the differential, and other than the normal tiny bit of movement, it looks fine.

Suggestions? I am leaning toward replacing the CV axle, but the boots are intact and I have already dropped $96 on a part I didnt need, so I'm being cautious.

Thanks in advance.
Are you SURE it's from the right side? Many times hub bearings can sound like one side and actually be the other when sitting inside the car. The symptoms sure sound like a hub bearing.
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Old 07-09-2013, 03:57 PM   #3
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Re: Bad rumble in right front

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Originally Posted by gmtech1 View Post
Are you SURE it's from the right side? Many times hub bearings can sound like one side and actually be the other when sitting inside the car. The symptoms sure sound like a hub bearing.
That same question was just brought up to me elsewhere. I was figuring that it was the right side since the rumble went away when turning right.

I had never heard of a bearing quieting down when loaded, but then again, I am not really an experienced auto mechanic either. I'm gonna have to take a closer look at that driver's side tomorrow.
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