If there are leaks, find the cause. Most likely, you damaged the seal and it needs to be replaced with a new one. As you can see, replacing an old kitchen faucet with a new one is a simple procedure. The main thing is to follow the instructions and use high-quality plumbing materials. https://vidacibernetica.com/read-blog/14183_10-bathroom-hacks-you-wish-you-knew-sooner.html