The steps to replace the toilet water inlet valve are as follows:
1. First remove the upper cover of the toilet water tank, as shown in the figure.
2. Then carefully observe the simple structure of the bathroom water tank, as shown in the figure below.
3. At this time, you can see the overall view and working parts of the bathroom water tank inlet valve, as shown in the figure.
4. First turn off the water inlet switch, drain the water in the bathroom water tank, use a wrench to unscrew the water inlet pipe joint, and unscrew the plastic screw cap of the water outlet pipe by hand (for convenience of operation, it must be removed outlet pipe), as shown in the figure.
5. Finally, take out the bathroom water inlet valve and replace it with a new one, as shown in the picture below.