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Noise diagnosis on street car

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#1
Ron Alan

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Have a 2000 SE that makes a wobble or wah-wah-wah noise as the speed increases(rear of car). You don't hear it until after 15-20mph but it gets progressively louder with speed...and follows the speed curve(rotational). When I put it on jack stands and let it run in 4th at 40mph I don't really hear it. So I'm assuming diff or wheel bearing...but I get no heat build up anywhere noticeable. Can a driveshaft or axle create this(very obvious noise!). Help!!! before I tear everything apart anyone have a similar situation??

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#2
Tyler Dahl

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Does the noise increase when you turn? which way makes it louder?

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#3
James York

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Does it go away or lessen when the brakes are applied? Front hub.

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#4
Ron Alan

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The sound seems to come from the rear when in the car? I will check the fronts.

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#5
Tom Hampton

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Does it make the noise out of gear, and/or coasting in gear? Any vibration in the car, or just noise? High pitch or low?

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#6
Ron Alan

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Had 2 NB uprights with axles. Popped out the ones in question and popped in these...BINGO...no noise B) Now I'm going to have to fix the bearings in one or both of these before I sell them. :huh:

Thanks guys!

Ron

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