how to grease suspension & steering
 

I was gonna give the truck a lube job but I noticed none of the components have grease fittings. Is there any way to lube these parts?

needle grease it through the boot but then youll have a hole in the boot for water/dirt get in. id wait for it to wear out and then replace it with grease-able components

If you are extremely adept and clever, it is possible to drill holes in the plug (without any metal shavings getting in), and then adding the fittings.

Are you sure there is not a removable bolt?

OEM parts are sealed. Most replace with parts that accept grease fittings, once the OEM parts are worn out.

I wouldn't worry about it now, I would do what I had to do almost a month ago and just replace the ball joints with Moogs. They're greaseable, better than OEM, and carries a lifetime warranty if you get them from Advance Auto.

I'd also do your tie rods while I was down there...