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post #1 of (permalink) Old 07-25-2001, 07:52 AM
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Low freq. vib and rumble

I have a low vib and rumble in the rear when slowing down just before I stop. It will happen with the engine on or off. The clutch in or out. With it in gear or out and with brakes applied or not. The u-joints are new the tires are blanaced. I can't think it is anything eles but a bad axle bearing or I need a new chunk. What do you all think?

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post #2 of (permalink) Old 07-25-2001, 11:47 AM
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Re: Low freq. vib and rumble

I've got the same thing. I think it is harmonics. Everything is just right, the vibes are quiet, but then the suzuki resonates to a certial freq. It happens to me @ 20mph or so..

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post #3 of (permalink) Old 07-25-2001, 11:53 AM
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Re: Low freq. vib and rumble

I get mine slower than that but it sounds the same.

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post #4 of (permalink) Old 07-26-2001, 09:27 AM
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Re: Low freq. vib and rumble

Does this happen when braking? Since I have fresh super swampers on my zook the gaps on the tires cause a vibe @ low speeds.. Does yours sound like a bunch of sheet metal vibrating vs like a bearing going bad or some kinna squeek?

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post #5 of (permalink) Old 07-26-2001, 09:46 AM
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Re: Low freq. vib and rumble

I been tring to test that and to my knowledge it dose it braking or not. It is deep low freq. vibration that shakes everything in the truck. It is not loud but it is intence. it feels like driving over the groves on the side of the freeway. The ones that let you know when you are on the shoulder. It is not that big of a vib but real simular.

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post #6 of (permalink) Old 07-26-2001, 09:56 AM
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Re: Low freq. vib and rumble

I bet it be the tires (hhehehhe). You're still running bfgoodies? Do you have any tire hummmmmm? Are you shocks older than you hahahaha?

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post #7 of (permalink) Old 07-26-2001, 10:20 AM
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Re: Low freq. vib and rumble

I have lots of tire hum. The shocks are fairly new. They are heckeltorns. You know it is funny. I was talkig to a fryer_tuck up at tellico and he didn't have any shocks. his ride sounded a lot like mine. bouncy. I can walk up to mine and push on it and it is easy to move but everyones eles I know has a much stiffer suspension. But the shocks are pretty new and I tested them with the old bounce test and they seem good. Maybe I need a stiffer shock. I also noticed that something in the front end starts bouncing. I was told it was the steering, but I suspect a motor mount. It is very anoying.

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post #8 of (permalink) Old 07-28-2001, 03:55 AM
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Re: Low freq. vib and rumble

My rig vibrates in second gear when I am moderatly on the gas. If I short shift to third it doesn't vibrate. When I first bought it I figured I'd find a worn out u-joint but all the joints and drive shfts were tight. I'm wondering if it is warped pressure plate springs since the vibration only happens in second gear at moderate throttle. I can get it to happen in first gear if I wind it out however. Anyway, propbably not any help, but my Sammy vibrates to.

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post #9 of (permalink) Old 07-28-2001, 06:36 AM
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Re: Low freq. vib and rumble

Mine does that exact same thing. It started right after I did the spoa. I figured it to be driveshaft angle, but wondered why it only did it then.

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post #10 of (permalink) Old 07-30-2001, 02:47 PM
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Re: Low freq. vib and rumble

The driveshaft angles change on the spoa config unless you use shimms or rotate the axle pads a little to compensate for the change in axle height. Also, have you installed shimms in your config?

got zook?
http://www.geocities.com/bik3r
29x10.5x15 SS TSL *SX*, Calmini Header, SPOA, Lights, Dupicolor, Z-bar, Xenon lights, diamond plate rockers, tubes front, rear, & sides!
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