hi there folks

when i put my front drivers window up it makes a cracking/banging noise.
now it just does not really work. i think the motor is fine its just come off the runner.
I have a 2005 Focus 55 plate electric windows

how do i remove the door panel?
i hear mention of buying a kit to do it safely. do i need this?

any help and even pics of where and how to remove the panel and get access to the runner would be helpfull guys

as usual

thanks in advance