Do not remove the 12mm bolt. You've no reason to remove the AC compressor. You are only removing the AC's 2 front 14mm bolt, which go through it and into the fan bracket. It's the fan bracket you'll be removing.
You're struggling with a relative easy part of the job. These two bolts, two wire...
I find it easy and relaxing. But I've good assortment of tools and years of experience on using them. I've also done more 4.7L timing belts, then I can remember. Did another just last week.
BTW: I do not replace crank or cam seals, unless leaking.
You've 2006, so a VVT engine. These, we must...
I do use a universal at times, sometimes just extension with 14MM socket on the end.
If vehicle raised a little, like when lifted, on stands, AHC in H and wheel turned a little to left. It's a near straight shot. Some of these bolts, are vey tight, which straight shot is best then best...
Remove only front two bolts from AC compressor. Don't even loosen the rear (3rd) bolt, as no need.
Upper AC front bolt, from above.
Lower AC front bolt, from below.
Makes no difference what gear transmission in. Other than "P" locks transmission, so vehicle will not roll. That and E-brake set on, along with blocking tires. Is best practice, when working on any vehicle.
All 4.7L 2UZ-fe use same timing belt components, even the VVT. The only difference is VVT cam seals, which you do not have (pictured).
I agree with TM. This best in thread, where many issues and fine points are already covered. Which there are many. Here's just 3...