The oil seal within the wheel hub assembly is crucial for preserving the lubrication of the wheel bearings and protecting them from premature wear and damage. Proper maintenance of the oil seal wheel hub is essential to prevent oil leakage and maintain the efficiency of the wheel assembly. Regular inspection and replacement of worn or damaged oil seals are vital to ensure the continued reliability and safety of the vehicle.
Pressure
Before removing the cover, note the positions of any pipes and wires round it or fixed to it, which have to be removed before it can be freed.

Prepare the shaft and prevent damage
RS
Rubber type


EPDM
Figure 5 explains the JTEKT seal numbering system.
Seal numbers consist of
(1) the seal type code,
(2) the spring code,
(3) the lip type code,
(4) the dimensional numbers, and
(5) the special type code,
and Table 6 shows examples of each of these codes/numbers.


Valve Cover Gasket Set: Comprehensive Sealing Solutions
Oil seals, which are also known as rotary shaft seals, fluid seals or grease seals, play an important role in closing down the gaps between moving and stationary elements of mechanical equipment.