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://thewion.com/read-blog/196741_unexpected-benefits-of-flush-tanks-with-seat-covers-you-never-knew.html