Question about 1997 GMC Jimmy

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1997 GMC Jimmy Rumbling Problem

Hello!

You posted a solution on my problem with my 1997 GMC Jimmy. You said if the hub bearing is tweaked a little bit it will make a sound. If the shock absorber is bad will that tweak the hub bearing? Does that explain why it only makes the sound in 2 wheel drive versus 4 wheel drive?

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  • Lucky Nov 24, 2008

    jmeyer847 said: Since you have replaced the hub and the CV Shaft.





    First off I want to say is thank you for helping. This problem started with a noise from the front passenger side. Then I jacked it up and I saw that the upper ball joint completely separated from the upper control arm. So I replaced that , the lower ball joint and CV halfshaft at the same time. Took it for a spin and noise was still there. So I replace the hub bearing assembly and the noise still is there. Now some other people are telling me that it could be the pinion gear. I am not sure of where this is located and how difficult it might be to get to it. Do you know of this?

  • ken1123 Dec 07, 2008

    Please, let me know if you fixed it. My car Jimmy does the same thing. If I climb a steep hill or accelerate over 65, the noise starts once I begin to slow down. To get rid of it I must put it into 4wd or come to a complete stop. Please advise!!!

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Yes if your shock is bad it will MAY have tweaked the bearing just a bit. It doesnt take much at all. When the pressure is off the bearing (ie 2wd) your shock should keep that bearing from moving "Floating" around a whole lot in the hub, when you add the 4wd now you have the drive axle and the shock keeping the bearing from "floating" moving around. 4wd is a more stable for your suspension which helps to keep things in align (hence the more power and stability). You may have a good bearing here, but may have a bad hub. Since you have replaced the hub and the CV Shaft. I would suspect you are having a bearing issue. The bigger question is how and why? Feel free to ask me anything more about this. I am willing to help you in any way I can to help you get this resolved. Is there anything else that you think maybe contributing to this? Anything parts you replaced other than the hub/CV Joint?

Thank you for using FixYa!

Sincerely,

JC

Posted on Nov 24, 2008

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