i changed my bathtub faucets, cartridge, and the cushings behind it that i had to get an allen key for, my problem is i keep getting water coming from the cartridge when the cold water is turned on,
I took apart and redid it all making sure it was tight, please help me

First off LOSE THE CAPS! We don't yell at each other in here.
Is this the cartridge you installed?
Back to you, Tom