Hi there
The squeaking during wash phase is possibly caused the grease in the v cassette seal being washed away with age.
This seal is located behind the drum shaft and prevents water from entering the bearings.
Due to the lack of lubrication within the seal, the v grooves squeak as they rub against the cartridge cover.
Will possibly need drum to be removed and seal and bearings replaced to fix the issue.
It's a big job to fix unfortunately.
Ash
February 2021