Hello, You must start by disconnecting the battery to avoid shorts. Then you will need to remove the serpentine belt and the balancer along with the timing cover. Here are some guides to give you an idea for what you are if for to get the job started:
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.