Is changing rubber on Touch ID button is safe?

First question here so hello everyone! :)

I have problem with my iPhone 6. Last time I notice that my home button is loose. I mean i can move it from left to right. I open my iPhone and discover, that rubber holding button is unglue. I order new one, but now i discover problem with "error 53". My phone is out of warranty now so I want to be sure that changing only this rubber doesn't give me this error ? Everything is original in my phone, I mean no screen or touch ID replacement ever. I want to disconnect this button, change the rubber and connect again. Generally this "repair" if very easy to me, only fear about this error. Is this safe?