To help with reassembly, I ground down an old 11mm socket to make a punch.
This really helped on some holes. Depending on the situation, sometimes it's easier to just make a small slit in a cross shape and poke the bolt through, but on some holes where there is rotation like the arm rests where the leather might bind, and on others like the hinge bolts where it's easier to line up the bolt if you can actually see the threads.
You can sometimes find the bolt holes by referencing the old leather to get an idea of where the hole should be, and then pushing down to find it. Sometimes other holes are nearby, so make sure you have an actual bolt hole before doing any cutting. If that fails, if possible peel back the leather enough to see it. This is why I didn't hog ring the sides in just yet. Keep in mind that if you do it that way, you need to account for the tension that will be on the leather when it's done. Always triple check before you cut, there is no going back once you start! It's even worse that you've probably put in a full day already and might be getting tired and sloppy. Stay focused. Once the hinge brackets are on, you can finish hog ringing the sides on the seat bottom, and zipping and tucking on the seat back.
You'll also need to cut a slit for the latch release lever:
Go slow on this one, it's easy to go too far. I have a little bit showing as you can see here:
Replacing the leather on the arm rests is easy compared to what you've been through, just one zipper on the back. Cut the holes for the 14mm bolts using a punch as the holes needs to be big enough for a bushing to fit in.
Important note at this point! Attach the bracket to the armrest. On the bracket that fits inside the pocket, attach the trim before installing the bracket, you can't access it after it's on. Bolt the pocket bracket in first, access sucks but a few tries should get it done. The bracket on the seat edge is easy.
Everything else is straightforward.
Be sure the floor bracket spring is in its perch!
To reinstall the star clamps on the floor bracket pins, I used an 11mm socket. I put the socket over the clamp, lined it up while putting tension on the other end of the pin with my finger, and gave the socket a whack with a hammer. Seemed to work fine for me.
Also note that the carpet slit for the floor latch needs to be lengthened, easy enough to do with a scissor.
Don't forget to do the latch release arm and the pull strap.
Reattach the seatback to the bottom, screw on all your trim pieces, and you're done. Oh yeah, you need to to do the headrest holes. Once the holes are located and punched out, make sure the headrest guides are properly orientated as one has the spring loaded clip for the notches in the headrest arms.
Now you're done.
Time to do the other seat.
After going through it all over again, reinstall and take a break.
As I stated before, the leather installation on the 2nd row seats was pretty easy. There are just so many brackets and trim pieces that most of your time will be spent locating and cutting the bolt holes and reassembling the seats.
Scott