It is going to be difficult for us to help you with this because there are several possibiities and we need to be there to listen and identify the source, and well, we are not there.

Operate the machine with the cabinet off (bypass the lid switch) and see if you can determine the approximate source of the noise. Candidates are the pump, drive tube with brake, clutch or something caught between the tub and basket.

Take a look at the Sticky by Richappy on direct drive brakes, as that is a good candidate and the Sticky is a good article on how to go about the process of working on the brakes.