Washer has started to make a really load buzz and some additional vibration during drain. Happens at initial start, when washer expels any residual water, and later on during the cycle as it needs to drain.

Unit normally has a buzzing during the drain, but this is much much louder.

Doesn't always happen, and water does drain, even with noise.

"Install" diagnostic cycle runs with no error (but buzz sound present). Occasional other noise during drain (not typical). No error coes have come up (yet) either during use.

It is still working/draining, but sound makes me think its going to go.

What do you think? Drain Pump is going?

Also, there is no easy off bottom access, as shown in the sample video for pump replacement ("Duet" example). Do you have to disassemble the entire front (or is it rear access) to get to the pump?