Wash Machine Doesn't Spin

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**Brand:**Frigidaire
Model Number: LTF530FS1
Main Symptom:
What happens & when:
We have a Frigidaire LTF530FS1 and this past week I noticed our machine “walked” about a foot forward, which in my 12-15 years have never seen our wash machine do that. The next time I did wash I noticed the inside drum would get stuck when trying to manually spin the inside drum to double check for small items. Yesterday when I did wash the drum did not spin for the entire cycle, it just made a whistling sound when it should have been turning/spinning. Any thoughts on parts that may need to be replaced, based on that?

Error Code (if any):
Parts or tests already tried:
Photos / video link:

It seems to me it may be the tub support bearings. They’re molded into the rear outer tub shell.

https://www.appliancepartspros.com/frigidaire-rear-outer-tub-131525500-ap2578105.html

It seems as if they are just starting to go bad, but if you continue to use the washer they will get worse and you run the risk of causing more damage