1. Remove the tire. After removing the tire, you can see the brake disc and caliper. Only after removing them can you see the front wheel bearing. Remove the bearing fastening nut. Use a screwdriver to remove the dust cover outside the bearing, and you can see the large nut that fixes the bearing. Use a 30 sleeve to remove the nut.
2. Remove the brake caliper. Use a 18-inch plum wrench to remove the two screws that fix the brake caliper, and slowly remove the brake caliper to prevent the brake oil pipe from breaking. Remove the brake disc.
3. Remove the outer brake disc. If the brake disc cannot be removed, you can screw two screws on the brake disc hole, tighten the screws with the corresponding wrench, and then you can remove the brake disc.
4. Remove the front wheel bearing. The solid nut on the outside of the bearing has been removed, and the bearing can be removed by pulling it out with both hands. Install a new bearing. Install a new bearing, replace a new strong nut, and after tightening the nut, rivet the edge of the nut with an open end to make the nut more secure, and install the dust cover.
5. Install the brake disc and brake caliper. Install the brake disc, brake caliper, and this time replace the bearing. Extended information Precautions for the front wheel bearings of automobiles: Pay attention to the early warning signs of bearing wear: including whether there is friction noise when turning or abnormal deceleration when the suspension combination wheel turns.
6. If you hear noise from the wheel hub bearing, the first thing to do is to find the location where the noise occurs. Even if only one bearing is damaged, it is recommended to replace it in pairs. Wheel hub bearings are sensitive and require the correct method and appropriate tools in any case.
7. When installing the bearings, they should be carried out in a clean and tidy environment. Fine particles entering the bearings will also shorten the service life of the bearings. Do not try to disassemble the wheel hub bearings or adjust the seals of the wheel hub unit, otherwise the seals will be damaged and water or dust will enter.
8. Improper installation of wheel hub bearings equipped with magnetic thrust rings may cause the brake system to fail. Due to the different bearing and housing models used when installing and locking the curtains, the torque varies greatly.
9. Improper wheel hubs will lead to increased fuel consumption. At present, the size of domestic automobile wheel hubs is mainly 12 inches to 22 inches. In general, it is more appropriate for car owners to increase the size and width of the original wheel hub when replacing the wheel hub. In order to take advantage of the wide tires, the comfort and grip of the tires during driving can be improved.
10. However, changing the wheel hubs at will will affect the original factory data of the vehicle. Once the wheel hubs are modified, they will not only increase the fuel consumption of the vehicle, but also affect the power and braking effect of the vehicle.
11. In addition, inappropriate wheel hubs will increase the wear of the tires and leave safety hazards for driving. Therefore, you must pay attention when changing the wheel hubs.

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