The fuel filter is located in the right front of the engine. I have included a diagram along with the description of the location in the diagrams down below. Please get back to us with how everything turns out, or if you have any other vehicle related questions.
There isn't a schrader valve for your vehicle's fuel system. In the diagrams down below I have included the instructions for relieving the fuel pressure from your vehicle's fuel system.
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.