Further to my PM, I really wish I could be more/better help with this. The variability and lack of quality of the factory parts is a pet peeve of mine.
I would not be surprised if you could get the rear glass and trim in by yourself. You don't really have much to lose by trying!!!
Comments below are in no particular order but may be relevant to the pictures:
I use a nice fat 14 gauge wire as the "rope" for installing glass, and glycerin for lube.
Because I never seem to have help when I need it I use ratchet straps and hard packing foam blocks to apply GENTLE pressure to the seal/trim/glass assembly.
The trim as delivered doesn't really fit the window aperture at all (see pic of upper left). It will help to gently shape it to the form it needs to be in for the final install. Try to get it to lay evenly all around the window.
If you look closely at the trim you'll see it has a barbed profile on one side only. This barb will distinctly click in and hold into the seal. I use brake-kleen as the lubricant for this step, so that once assembled into the seal the trim is less likely to pop back out.
The process goes like this:
1. Clean window and seal with brake kleen or iso alcohol, assemble seal to window.
2. Clip trim c/w clips into seal using the same chemicals. It must be 100% clipped into seal, no questions, no exceptions. IT WILL NOT clip into the seal after install. You can squeeze it into the seal with your hands which will be sore and tired and raw after the first few tries doing this.
3. Put lubed rope into seal groove and lube seal lip as well. There is an extra little lip on the seal in the area of the main lip that you are roping around the flange, this lip goes over the main seal as sort of an aide to the install.
4. I honestly don't remember if I start at the top or the bottom of the window but pretty sure it's the bottom. Once you get the hang of it it actually all goes pretty well.
The bad news is you will have to try more than once before you find a combination of techniques that works for you. You may also get the window installed properly but the trim doesn't sit flat against the seal, even though the trim is clipped into the seal. Take it out, tweak the trim, try again. Try not to get frustrated.
It's nerve wracking and frustrating, working around the fresh paint, newly glued headliner, etc.
Just keep at it until you are satisfied. In the end my trim didn't sit perfectly flat and flush with the seal, and the outer lip of the seal didn't make a nice smooth line around the two upper corners which are an absolute ***** to get. You know what? I said "good enough for now", even though that's not really in my vocabulary, forgot about it, and it hasn't bothered me, even once, in the last two years. You'd think it would drive me nuts but it doesn't really stand out.
Good luck and DON'T GIVE UP!!!!!
