1998 Chevrolet Tahoe Q&A

1998 Chevrolet Tahoe Question: my tahoe makes a loud noise when 4 wheel drive is engaged

when i take it out of 4 wheel drive it is still making a noise but not as loud as before. has 130,000 miles never had this problem before -
Answer 1
could be something in the transfer case -
Answer 2
or actuator motor,seek insp and diag -