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"Clunk" on initial rolloff

This is a discussion on "Clunk" on initial rolloff within the W Body 1997 to current 4 speed Automatic (4T65E) (4T65E-HD) forums, part of the W Body Tech category; Originally Posted by ranman I had a "clunk" as well so I replaced the front DS wheel hub assy about ...


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Old 05-07-2008, 11:03 AM   #11
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Default Re: "Clunk" on initial rolloff
Quote:
Originally Posted by ranman View Post
I had a "clunk" as well so I replaced the front DS wheel hub assy about 3 months ago and am now starting to run into the same problem. There's more symptoms. Car pulls a little to the left, theres a metal scraping sound (kinda like the break pads are worn, but they're not) when turning left, and occasionally when breaking I feel/hear a metalic grinding sound. I hate to think the wheel hub is bad again, but I heard that it is not uncommon to get a bad one.

Does anyone know if there is something I'm missing? Could there be something else causing the wheel bearing to go bad?
Sounds like a bad wheel bearing to me. But then again, its hard for me to tell sitting here in my chair at work.

Quote:
That means that you are hearing the normal ABS self-test, It is just something we all live with, I would suggest putting the fuse back in now that you know what the noise is
I agree. The noise is normal ABS operation. Just a self test to make sure everything is working ok. No need to disable your ABS because of this normal sound. I would suggest putting the fuse back in and be assured that everything is normal.
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Old 05-07-2008, 04:17 PM   #12
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Default Re: "Clunk" on initial rolloff
I went cheap. Lesson learned. At least it's not hard to get to.
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Old 05-12-2008, 04:41 PM   #13
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Default Re: "Clunk" on initial rolloff
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Originally Posted by Tengis View Post
Check your cradle bolts.
After I installed my front sway bar, my car does the similar grind/clunk/rubbing noise on any takeoff. It almost feels like something is rubbing when I quickly accelerate from a stop.

Where would the rubbing come from on the cradle bolts? I suppose I can check the bolts this weekend, but I'd rather get a heads up before hand.

Thanks
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Old 05-12-2008, 05:15 PM   #14
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Default Re: "Clunk" on initial rolloff
If the bolts are loose, the whole cradle could be moving a little, and anything attached to it (control arms, steering, sway, engine, tranny, etc).
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Old 05-12-2008, 05:34 PM   #15
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Default Re: "Clunk" on initial rolloff
Shiza - I'll have to check it out this weekend when Jacob (URLosn) shows me how to do the LIM gasket...

I'll go easy on 'er until then.
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Old 06-26-2008, 05:07 PM   #16
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Default Re: "Clunk" on initial rolloff
Another place to look is the front control arm bushings. The one with the bolt that goes up and down. They will make noise on accel and turning. Just thought I would throw that info in even though you found the problem.
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