My transfer case sounds like there is a squirrel running around inside it
Check the fluid level, color and smell.
What does the color and smell tell you?
And will this effect the steering
If the fluid smells burnt and is brown/black in color then the case is junk. It will effect the steering if the 4wd is engaged and the case is junk
Looking for a Used Suburban in your area?
CarGurus has 136 nationwide Suburban listings starting at $3,991.
Search GMC Suburban Questions
GMC Suburban Experts
Related Models For Sale
Used Cars For Sale