loud four wheel drive?

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lugnut428

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Hey fellas -- this might be a stupid question, but my four wheel drive seems really loud to me over 25 mph. I have a 99 tahoe -- It goes from 2wd to 4whi without a problem and seems to work fine, but it's loud going down the road.

thoughts?

Thanks!!
 

93Chevy_1500

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The four wheel drive is loud? in the front differentials or the T-Case? Why are you going down the road at 25 in 4x4?
 

lugnut428

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Yeah..the roads are covered with snow.

The sound is kinda like a wirring noise...I assume it's just the gears?
 

jcro61

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Have you checked the fluid levels in the front differential. That is what it sounds like the source is.
 
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