5W-20 , according to the Owner Guide
yes
Ford F150 trucks came with R-12 until 1994. that is when they changed to R 134-A. Most vehicles that came with R-12 have been converted to R 134-A.
Ford recommends 5w20
R134a
A 2010 Ford F150 pick-up uses automatic transmission fluid.
An F150 has a pretty big backseat.
dexron/mercon
75w-140
134a is the refrigerent used
DOT 3
Seat cover for a Ford F150 can be bought at any Ford car dealership. Canadian Tire, eBay and Amazon do carry these type of seat covers for Ford F150.
Mercon transmission fluid