mj1333,
Here is the directions to change the filter.
1. Take off the spare tire from the back.
2. It will be easier to take off the unit if the truck is on a set of ramps.
3.. You will need to take off the spare tire support system off.
(the string system). You might need to use a impact wrench to take off the bolts. They are put on tight to hold tire up.
3. Take off the bolts off from the long filter. These are tricky because they on the frame behind the filter.
4. Know you can change everything.
5. Reverse the process to install back.
It will take about 1.5 hrs to get everything done.
Also here is the direction from the TSB.
https://www.fleet.ford.com/truckbbas...tml/Q132R1.pdf
Just scroll down and you can see everything.
Good luck