Here is the procedure for that repair.
Removal and Installation
CAUTION: To prevent damage to the ball joint seal and the ball joint socket, do not use a pickle fork-type remover to loosen the ball joints.
Removal of ball joint
CAUTION: To avoid damage to the components, do not use heat to aid ball joint removal.
CAUTION: To avoid damage to components, do not use heat to aid installation.
NOTE: Clean the wheel knuckle ball joint bores.
NOTE: The lower ball joint must be installed first.