Hub bearings are very important parts for vehicles. Hub bearings play a role in vehicle driving, bearing the body and providing precise guidance for hub rotation. According to the needs of modern vehicles, hub bearings are constantly being updated. Huaxong) In order to let you in the maintenance of hub bearings or replace hub bearings, can have more understanding, we share the specific removal and installation steps related to hub bearings, as well as the installation of hub bearings need to pay attention to some matters, hope to have a car family to help.

Step 1. When replacing hub bearings, remove the steering knuckle first

(1) Drive the vehicle onto the lift and remove the front wheel.

(2) Remove the self-locking nut at the end of the half shaft. The nut will be difficult to remove. Please ask another repairman to hold the brake pedal to provide reverse torque.

(3) Remove the brake caliper, and use wire hooks to suspend it on the car body, so as not to force the brake line.

(4) Remove the nut under the ball head of the steering tie rod, and use the ball head pliers to separate the steering knuckle from the steering tie rod. Do not use a hammer to hit the ball head directly to avoid permanent damage.

(5) Remove the 2 bolts connecting the steering knuckle to the shock absorber, and remove the 3 bolts connecting the steering knuckle to the lower swing arm. At this point, the knuckle can be removed from the body.

Step 2. Remove the old hub bearing

(1) Remove the brake disc, sensor and other accessories from the steering knuckle.

(2) Use special tools to push the hub out of the steering knuckle. For general comprehensive maintenance enterprises, it is likely that they do not have special tools, in this case, they can use the appropriate size sleeve instead. Because the inner ring of the hub bearing is connected to the hub by interference fit, the inner ring of the bearing will fall off with the hub when the hub is removed.

(3) Remove the inner ring of the hub bearing from the hub with the puller.

(4) Use circlip pliers to remove the circlip springs for positioning bearings from both sides of the bearing seat holes on the steering knuckle.

(5) Press the old hub bearing out of the steering knuckle using a press and a circular pad of appropriate size.

Step 3. Press in the new hub bearing

In authorized repair shops, there are special tools for installing hub bearings for different models. But for comprehensive maintenance enterprises, often do not have such conditions, in this case, you can use the old bearing just removed, this is because the size of the old bearing and the new bearing is completely like.

(1) Install the spring on the outside of the steering knuckle for positioning the new hub bearing.

(2) Use the old hub bearing outer ring as a pad to press the new hub bearing into the steering knuckle. After the bearing is completely pressed in, the other side of the spring is installed in place.

(3) Use the old hub bearing inner ring as a pad to press the hub into the steering knuckle.

(4) After installation, rotate the hub to check whether it is installed in place and check the oil seal.

Step 4. Install and reset the steering knuckle and other related parts

(1) Install the three bolts connecting the swing arm and the steering knuckle, and the locking torque is 35 Nm.

(2) Install the two bolts connecting the steering knuckle and the shock absorber, and the locking torque is 95 N·m.

(3) Install the nuts at the lower end of the steering tie rod with a locking torque of 35 Nm. (4) Install the two bolts connecting the brake caliper and the steering knuckle with a locking torque of 25 Nm.

(4) Install the two bolts connecting the brake caliper and steering knuckle, and the locking torque is 25 N-m.

(5) Install the self-locking nut at the end of the half shaft, and the locking torque is 265 N·m.

(6) Install the tire, and the locking torque of the tire bolt is 110 Nm.