As an Auto Bearing Manufacturer, share with you.
Please pay attention to the following matters in the use and installation of
Auto Wheel Bearing Kit
1. In order to ensure maximum safety and reliability, it is recommended that
you always check the wheel hub bearings regardless of the age of the vehicle-pay
attention to whether the bearings have early warning signs of wear: including
any frictional noise during rotation or the suspension combination wheel is
turning Deceleration abnormally at times. For rear-wheel drive vehicles, it is
recommended that the front wheel hub bearings should be lubricated when the
vehicle has traveled to 38,000 kilometers. When replacing the brake system,
check the bearing and replace the oil seal.
2. If you hear the noise from the hub bearing part, first of all, it is
important to find the location of the noise. There are many moving parts that
may produce noise, and it may also be that some rotating parts come into contact
with non-rotating parts. If it is confirmed that the noise is in the bearing,
the bearing may be damaged and needs to be replaced.
3. Because the working conditions of the front wheel hub causing the bearing
failure on both sides are similar, even if only one bearing is broken, it is
recommended to replace it in pairs.
4. Wheel hub bearings are more sensitive. In any case, you need to use the
right method and the right tools. In the process of storage, transportation and
installation, the components of the bearing cannot be damaged. Some bearings
require greater pressure to press in, so special tools are required. Be sure to
refer to the automobile manufacturing manual.
5. The bearing should be installed in a clean and tidy environment. The entry
of fine particles into the bearing will also shorten the service life of the
bearing. It is very important to maintain a clean environment when replacing
bearings. It is not allowed to hit the bearing with a hammer, and be careful not
to drop the bearing on the ground (or similar improper handling). The condition
of the shaft and the bearing seat should also be checked before installation.
Even slight abrasion can lead to poor fit and cause early bearing failure.
6. For the hub bearing unit, do not attempt to disassemble the hub bearing or
adjust the seal ring of the hub unit, otherwise the seal ring will be damaged
and water or dust will enter. Even the raceways of the sealing ring and the
inner ring are damaged, causing permanent failure of the bearing.
7. There is a magnetic thrust ring in the sealing ring of the bearing
equipped with ABS device. This thrust ring cannot be collided, impacted or
collided with other magnetic fields. Take them out of the packaging box before
installation and keep them away from magnetic fields, such as motors or power
tools used. When installing these bearings, observe the ABS alarm pin on the
instrument panel through a road condition test to change the operation of the
8. For wheel hub bearings equipped with ABS magnetic thrust ring, in order to
determine which side the thrust ring is installed on, you can use a light thing
* near the edge of the bearing, and the magnetic force generated by the bearing
will attract it. When installing, point the side with the magnetic thrust ring
toward the inside, facing the sensitive element of ABS. Note: Incorrect
installation may result in failure of the brake system.
9. Many bearings are sealed, and this type of bearing does not need to be
greased throughout its life. Other non-sealed bearings, such as double-row
tapered roller bearings, must be lubricated with grease during installation. Due
to the different sizes of the inner cavity of the bearing, it is difficult to
determine how much grease to add. The most important thing is to ensure that
there is grease in the bearing. If there is too much grease, the excess grease
will leak out when the bearing rotates. General experience: When installing, the
total amount of grease should account for 50% of the bearing clearance.
10. When the lock nut is installed, the torque varies greatly due to the
different bearing type and bearing seat.
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