Technical Replacing passenger sliding door on 2016 Doblo Van

[les1466]

Hi, can anyone help with this. Ive been trying to find a video for help but have had no luck. I reversed into the side of a bollard a few weeks back and it really messed my side door up.
I have just purchased a second hand one in mint condition to replace it. Has anyone got any ideas on a nice easy way to do this as i dont want to start the job and it turns into a nightmare. Id be really grateful for any help.

Thanks
Les