I have a faucet from an old house (Over 20 Years Old) and am having issues with the sink leaking. This isn't a problem because I'm familiar with how to fix it (Replace Rubber Washer) and have diagnosed (By turning the water valves at the bottom of the sink) that the leak only happens when the hot water valve is open, and doesn't when the cold water valve is open.
Everything was going great until a couldn't get the nut for the stem off. It requires a lot of force, and makes the entire faucet assembly shift in response to the required force. I figured that I should find out if I'm doing anything wrong first before going full primate on it. The faucet (Minus the handle and underside of the sink are posted below.)
On the underside of the sink, there appear to be threads and that white thing there. Should I loosen them first?