Will not drain and makes an odd noise when trying to

start by removing bottom rack then remove bottom spray arm by pulling straight up vigorously under that there is aplastic lever that will turn in one direction half a turn and pull up then filter screns can be removed at this point you will need a shop vac and a torx driver either t20 or t15 remove screws that hold center post in exstract water completely then move drain impeller by hand with you finger if somthing is still stuck in the impellar keep shop vac on and turn impellar shop vac should be able to remove obstruction check impellar for broken paddles if all checks ok reassemble and use if paddles broken replace drain pump