here is a basic overview of the process
remove wheel.
remove brake caliper and bracket and rotor
remove dust shield.
disconnect abs wire
remove all cotter pins from castle nuts
remove castle nuts from upper and lower joints
remove upper ball joint pinch bolt from knuckle
take mini sledge and whack upper control arm/ball joint out of knuckle
knock knuckle off of lower ball joint
press lower ball joint out of lower control arm
remove upper control arm from fram
press new lower ball joint into lower control arm
install new upper control arm.
take knuckle and place on lower ball joint first, then align stud for upper ball joint
secure/tighten nuts install cotter pins
install dust shield, brakes, connect abs wire
get alignment