Subaru 2002 Impreza Service Manual page 302

FRONT AXLE
Drive Shaft System
2. Front Axle
A: GENERAL
0
The inboard end of the axle shaft is connected to the transmission via a constant velocity joint
(shudder-less freering tripod joint: SFJ) which is flexible in the axial directions, while the outboard
end is connected via a high efficiency compact ball fixed joint (EBJ) to the wheel hub which is sup-
ported by a taper roller bearing located inside the axle housing. The EBJ features a large operating
angle.
Both the constant velocity joints (SFJ and EBJ) ensure smooth, regular rotation of the drive wheels
with minimum vibration.
0
The bearing is a preloaded, non-adjustable tapered roller unit bearing
Each hub is fitted in the axle housing via the tapered roller bearing.
0
The EBJ's spindle is splined to the hub and is secured with an axle nut clinched to it.
0
The disc rotor is an external mounting type. It is secured to the disc wheel using hub bolts to
facilitate maintenance of the disc rotor.
-_
(1) EBJ
(2) Axle housing
(3) Tone wheel
NF0151
(4) Bearing
(5) Axle nut
(6) Hub
DS-4
(7) Oil seal
( 8 ) Baffle plate
(9) Hub bolt