There really isn't any rocket science to this job. I find it hard to believe that someone operating a truck of this size being limited on funds to pay for this repair. All I can offer is that you will need the special eight-sided hub lock retainer socket to remove the locking/ratcheting nut. If you are careful enough not the damage the seal during the removal of the hub and rotor, you likely can get away with reusing the seals, although it would be a good idea to change them out. Beware that the hub and rotor assembly will be HEAVY, so use caution during removal and installation.
Ford Diesel/Senior/Master Tech
....who works at a dealership that now employs SOME half decent looking female employees since they overhauled most of the administrative staff
....and STILL hates working on E-Series with 6.0LFord Diesel/Senior/Master Tech