[911monty]

Don't even waste time with rusted crap. Use a nut splitter, see attached for an example. Split the nut, throw the rusted crap out and replace with new. Easy.

https://www.northerntool.com/shop/tools/product_200396173_200396173?cm_mmc=Google-pla&utm_source=Google_PLA&utm_medium=Hand%20Tools%20%3E%20Extractors&utm_campaign=Performance%20Tool&utm_content=9094281&gclid=EAIaIQobChMIvLK_9PPK3AIVDwaGCh1tyw7CEAQYAiAB EgIE1PD_BwE