With the bolt removed you'll see a little "dog leg" on the end- insure this goes back into the hole that is reserved for it (see pics). Slide the bolt through the Schroth mount and the original hardware (locating the dog leg where it needs to go). Torque down to 22 ft lbs. Tuck the carper back into place and put the trim piece back on.
Now the front is done- you can see how it clips in.