I don't know that particular vehicle, but I must say it doesn't seem like a huge imposition to get under with 3-4 different wrenches and try them for size. I change MANY front pads and usually follow that pattern.
t-60
You need a 3/8" allan key or hex socket - not a torx
Most likely a 15mm wrench. Unlikely to be Allen in that vehicle.
Metric Allen wrench.
You need a 15 mm regular wrench.
It will be a 14 or 17 mm wrench.
45t
use an Allen wrench not a socket or open or box wrench.
14 mm
3/8"
You need a 3/8 Allen Wrench
the caliper bracket bolts use 18 mm wrench on a 03 1/2 ton 4x4