How to change the lower strut arm ball head?

Automotive lower strut arm ball head replacement method: 1, loosen the tire dowel will be the vehicle up to remove the tire put aside; 2, with a 21mm socket will be the lower strut arm front dowel loosened folded and then will be the balance bar dowel with a 10mm socket to dismantle the balance bar dowel above the dowel a dowel bubble fixed; 3, and then 21mm socket will be the lower strut arm rear dowel loosened the dowel above the dowel a dowel bubble with a 21mm plate hand fixed to remove; 4, with 18mm plate hand will be the lower strut arm ball head dowel loosened first half with a hammer will be the steering knuckle vibration. 21mm plate hand fixed to remove; 4, with 18mm plate hand will be under the arm ball head dowel loosened first half with a hammer will be the steering knuckle vibration so that the ball head and the steering knuckle to disengage the dowels will then be removed or can not be removed; 5, the total of four dowels all removed with a pry bar will be under the arm outwardly out of the down will be the new installation of the new in place to the four dowel loaded all tightly mounted tires to complete the replacement.