How does the acceleration body change?

Hello, I have a Ford Focus 2001, one of the supports is broken to hold the screws of the acceleration body of my car, and not being well subject, it does not start or does so quickly and turns off, already remove the broken acceleration body, to place the new what recommendations are there? I have to grease it before putting it? What problems can I have

Hello friend, just remove the battery terminal then you put a little fat and motorcycles when placing all the connectors you place the terminal then you pass the suiche 5 times to reset the computer then to the last suiche you turn it on and then the compe does it do the job alone I hope that my help serves you