Changing Frame Rail Filter
1. Remove the sensor harness.
2. Remove filter housing with a 1 1/4" socket or 32mm socket or use a strap wrench. Recommended using a strap wrench so that you don't shear the plastic housing.
3. Turn 3 times (not to drench yourself in fuel before opening the drain valve), then loosen the yellow drain valve to drain water into a suitable container.
4. Remember to lubricate the new O-ring and reinstall everything