Yes, for most items:
From within ILLiad, select “Checked Out Items” from the menu on the left. Open the item you would like to renew by clicking on the request number. Click “Renew Request” at the top of the detailed information page to place the renewal request.
There is a limited window of opportunity for placing a renewal. Renewals can only be placed 10 days before the due date through one day beyond the original due date.