I guess it's still the 4WD SR5 auto? Did it do it right after you replaced the brakes? Did you do it yerself or did a shop do it? Either way, I'd pull them back apart and see if they are set correctly.
What make are the pads/rotors/calipers? Got any piccies of them?
What make are the pads/rotors/calipers? Got any piccies of them?