Torx head bolts hold on the rollers, remove the radiator cover remove the fan (reverse threaded) and fan shroud (lifts out nothing connecting on the bottom) and you will be looking right at them. Plenty-O-Room to get things done.

11 28 1 748 130 for the offset x 1
11 28 1 748 131 center mount x 2
You might as well toss a new belt on since you have to take it off