Repair procedures: Replacement

Remove the front wheel & tire.
Tightening torque:

98.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft)
Remove the lower arm ball joint mounting bolts (A).
Tightening torque:

58.8 ~ 70.6 N.m (6.0 ~ 7.2 kgf.m, 43.4 ~ 52.1 lb-ft)

Fig 1: Identifying Lower Arm Ball Joint Mounting Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Remove the lower arm mounting bolts (A, B).
Tightening torque

(A, B): 156.9 ~ 176.5 N.m (16.0 ~ 18.0 kgf.m, 115.7 ~ 130.2 lb-ft)

Fig 2: Identifying Arm Mounting Bolts
Courtesy of KIA MOTORS AMERICA, INC.
Installation is the reverse of removal.