Welcome. What 4wd system do you have, 3 button, 4 button or manual shifter? Are there any warnings on the dash?
I did not see ant leakage. Was just when I took it in for service I was told it was very low/
Ok, these transfer cases are bad for the pump clip wearing out and the ear of the pump wearing through the case. Below is a picture that shows the possible location of the hole.