The first step is to remove the door window, then you need to take out the front door module to enter the regulator's housing. After that, remove the bolts on the regulator drum that are fixed to the front door module and take out the nuts holding the regulator channel to the module. Afterward, take out the regulator channel and cable assembly from the front door module. To set up the regulator, install the regulator channel and cable assembly to the front door module and add the nuts to keep it in place. After that, secure the screws on the regulator drum to the front door module, put the front door module back in place and reinstall the door glass.