Tire pressure monitoring system 4.3-11 • Remove the fixing bolts (1) of the tire pressure sensor with a T10 screwdriver bit to separate the tire pressure sensor from the valve. 2- Refitting • Position the tire pressure sensor (1) and the valve (2) to refit them in place. • Tighten the connecting screws (3) of the valve and the tire pressure sensor with a T10 screwdriver bit. • Align the tire pressure sensor (1) with the mounting holes of the valve to refit it in place. By applying pressure (you can hold the sides of the sensor by hands), the gasket on the valve is tightly fitted to the rim mounting plane.