Moen & One Handle Tub & Shower Faucet  "water wont stop running" Questions

...wont stop running hi, i have a american standard single knob faucet for shower and tub. the water keep drizzling out of the faucet. I replaced the cartridge. its still running. what should i do now? ...

wont let me copy diagram. Step 7 You need to adjust the Rotational Limit Stop The 1st position is default and allows the least amount of hot water into the mix. As you move it more clockwise it allows

...water was off). I have now read that if the "cartridge" wont release from the original location, the the Valve must be replaced. I can't imagine how that can be done without destroying my tub. There ...