I need a new brake master but I need

Below you will find guides on how to replace this master cylinder. Also, you will need to bleed the brakes so I provided a guide for this as well.

https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder

https://www.2carpros.com/articles/how-to-bleed-or-flush-a-car-brake-system

Below you will find the process from the manual on how to perform this as well. Let us know if you have other questions. Thanks