Hello,
Do you hear the grinding noise if you disconnect the 4x4?
If the grinding noise goes away then the issue is with the front shaft.
You could have a drivetrain binding on the front and that possibly snapped a component internally.
It is likely that you will have to remove the front propeller shaft to find the damage.
I have included the basic inspection and diagnostic procedure for noise and vibration for the drive shaft.
Please let me know of any questions.
Thank you.
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Thursday, September 23rd, 2021 AT 10:41 AM