Long but very informative step by step video from start to finish on how to replace the dual clutch and rear main seal found in the 2012-2018 Ford Focus and also the Fiesta. Most of the parts and tools used in this video were purchased from Amazon and I have provided links below. At the bottom of this description I will have timestamps to help save time navigating through certain parts of the video since it's so long.
Luk Dual Clutch Kit: https://amzn.to/3sKVHj1
Dual Clutch Tool: https://amzn.to/3EomMeB
Dual Clutch Seal Remover & Install Tool: https://amzn.to/3PpTy5a
Ford Dual Clutch Seal Kit: https://amzn.to/3Pm2ngA
Motul Dual Clutch Fluid: https://amzn.to/3R3gp7V
Funnel For Transmission Fill: https://amzn.to/3qXhNhM
Rear Main Seal: https://amzn.to/3L556Za
Permatex Anti-sieze: https://amzn.to/3RcdMB3
Red Threadlocker: https://amzn.to/3Re2coG
Intake Gasket Set: https://amzn.to/44E9Tb9
Throttle Body Gasket: https://amzn.to/3P6HrZw
Permatex Gasket Maker: https://amzn.to/3L9OTC9
Motorcraft Driverside CV Axle: https://amzn.to/3sFOX6f
Motorcraft Passengerside CV Axle: https://amzn.to/3Z4Npi0
Scan Tool Used For Relearn: https://amzn.to/44Hhk14
Harbor Fright Transmission Jack: https://www.harborfreight.com/800-lb-...

Timecodes
00:00 - Intro
00:02:24 - Under the hood parts removal
00:30:15 - Transmission Fluid Drain
00:32:46 - CV axles, tie rods, and ball joint separation
00:45:46 - Transmission removal
01:05:23 - Dual clutch replacement
01:54:08 - Flexplate removal and rear main seal replacement
02:11:28 - Transmission install
02:32:36 - Upper components install
02:56:52 - Transmission fluid fill
03:02:46 - CV axles, and tie rods install
03:16:59 - Air intake and battery reinstall
03:25:04 - Transmission relearn procedure
03:34:12 - Closeout