Grinding in 4WD?

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JTF47

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This issue only occurs when my car is in 4 Wheel Hi, it makes a significant grinding vibration when I make tight left and right turns that I can hear and also feel through the gas and brake pedal. Is this normal or are my axles/bearings going out?

Additional info:
I was driving when there was significant snow on the ground so the asphalt was not dry.
Issue only occurs in 4WD, does not occur in 2WD.
2007 Tahoe LT
 

PG01

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A little vibration maybe, maybe....but no grinding, def not normal. Prob cv's... how many miles? Any lift/level?
 
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JTF47

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106k miles, no lifts or levels, aside from the sound system everything is stock OEM.
 

Chubbs

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This issue only occurs when my car is in 4 Wheel Hi, it makes a significant grinding vibration when I make tight left and right turns that I can hear and also feel through the gas and brake pedal. Is this normal or are my axles/bearings going out?

Additional info:
I was driving when there was significant snow on the ground so the asphalt was not dry.
Issue only occurs in 4WD, does not occur in 2WD.
2007 Tahoe LT

What was wrong with your truck???
 

swathdiver

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Are you doing these tight turns on pavement or concrete? You'll encounter a lot of resistance in doing so with any of these trucks. Every truck I test drove did this, including the one I bought. I just learned not to make tight turns in 4WD and all is well.
 
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