Although you didn't specify if your car is a 1.4, 1.6, or 2.0 liter engine below I've attached a diagram for a 1.4 liter. Here is a tutorial showing how to remove and replace:
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.