It's pretty straightforward. You will need the C-clamp style ball joint press available as a free loaner (when you leave a security deposit) at most chain stores (autozone, advance, etc.). Once tire's off, undue the cotter pin and retaining nut. Use a ball joint separater (pickle Fork) to pop apart. Pop out the retainer ring on the bottom. Follow instructions to use the clamp press, and press the old one out. Reverse for install.