Strange sound

[DallasTahoe]

So today is the first time I used the 4wd in my Yukon, and it made the strangest noise, sounded like the tires were rubbing on the fenders, it worked but the noise bugs me. I was going straight, and the terrain wasn't bumpy just muddy, once I got it on pavement I gave it some gas and it made the same noise, it almost sounded like gears not engaging completely? It may be low on fluid because I can see a slight leak, would that cause the noise? It only did it when I hit the gas medium hard, but without doing that it didn't make any noise and I could feel that it was in 4wd, any suggestions???


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[ThinBlue82]

My transfer case made a terrible noise when engaged as well. My 4wd still worked but I knew it was only a matter of time before it blew up. If your TC is leaking fluid I would address that immediately and do not use your 4wd until you fix the problem. In the event you need a new TC check out transfercase.com they have great prices and a quality product.

 

[sumo]

How are your tires? Is there a big difference in tread depth on all 4 tires? I've seen mismatched tire sizes cause similar concerns before. Reason I ask because tires will lower tread depth can rotate faster than the other set. This can make the front wheels try to spin faster than the rear.

 

[DallasTahoe]

My transfer case made a terrible noise when engaged as well. My 4wd still worked but I knew it was only a matter of time before it blew up. If your TC is leaking fluid I would address that immediately and do not use your 4wd until you fix the problem. In the event you need a new TC check out transfercase.com they have great prices and a quality product.

Turns out my front diff is wore out, too much play in the stub shafts


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[DallasTahoe]

How are your tires? Is there a big difference in tread depth on all 4 tires? I've seen mismatched tire sizes cause similar concerns before. Reason I ask because tires will lower tread depth can rotate faster than the other set. This can make the front wheels try to spin faster than the rear.

Tires are in good shape and all wearing evenly, my front diff is bad



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