How to replace the Passat wheel bearing?

It rained a few days ago and took a bad road. Then, after getting on the road, it rang, thinking it was raining and causing the tires. I looked down during the period, but it didn't show anything when it rained. Today, when I go to work, it looks like that, it is the sound of grinding tires. I went to a 4S shop. Then, the master in the store gave me a test drive. I said that it was the rear wheel sound. I got on the shelf machine and turned the wheel with my hand. There was an abnormal noise inside. It was said that the passat wheel bearing was broken.
Why can we use vibration to detect the quality of the passat wheel bearing?
The left hand is placed on the shock absorbing spring. The right hand turns the tire. The left hand senses the vibration. According to the vibration size, the severity can be diagnosed.
Loosen the rear tires, lift the vehicle, remove the tires, and remove the tires.

Use the 13mm wrench to remove the two wires from the rear wheel brake pump and remove the brake pump to the side.

Remove the brake cylinder fixing bracket, remove a small fixed wire above the brake disc, and remove the brake disc.

Use a flat wire cutter to lift the passat wheel bearing center fixing wire cover and loosen the bearing fixing wire.

Remove the passat wheel bearing, install the new passat wheel bearing, then install it in reverse order, and replace the rear wheel bearing.

Precautions
Do not damage the ABS sensor

The experience content is for reference only. If you need to solve specific problems (especially in the fields of law, medicine, etc.), it is recommended that you consult the professionals in the relevant fields in detail.