Plumbing – How to connect flexible tube to copper pipe

faucetkitchensleakplumbing

Underneath the kitchen sink, the faucet assembly has a copper tube that used to connect to a flexible pipe. The two have become separated as shown below:
left: assembled faucet; center: faucet lifted up to show missing connection; right: flexible connector

I have tried pushing the connector back onto the copper tube and it leaks only slowly. How do I connect them together so that they don't leak at all?

FWIW, the brand is Price Pfister.

Best Answer

As requested, these links may help:

Looking at these, and comparing to your photos, it looks like you may be missing a part that clamps the connector to the pipe. Good luck.