Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Impreza 2001-2002.2004-2007 Approved Subaru Impreza 2004 WRX STi 08. MECHANISM AND FUNCTION 42. DRIVE SHAFT SYSTEM 02. Front Axle
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W1860BE.book Page 5 Tuesday, January 28, 2003 11:01 PM
FRONT AXLE
DRIVESHAFT SYSTEM
2. Front Axle
A: GENERAL
1. EXCEPT STi MODEL
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.
The bearing is a preloaded, non-adjustable taper roller unit type. Each hub is fitted in the axle
housing via the tapered roller bearing.
The EBJ's spindle is splined to the hub and is secured with an axle nut clinched to it.
The disc rotor is an external mounting type. It is secured to the disc wheel using hub bolts to fa-
cilitate maintenance of the disc rotor.
(2)
(7) (9)
(4)
(8)
(5)
(7)
(1) (6)
(3)
DS-00213
(1) EBJ (4) Bearing (7) Oil seal
(2) Axle housing (5) Axle nut (8) Baffle plate
(3) Tone wheels (6) Hub (9) Hub bolt
DS-5
W1860BE.book Page 6 Tuesday, January 28, 2003 11:01 PM
FRONT AXLE
DRIVESHAFT SYSTEM
2. STi MODEL
The inboard end of the axle shaft is connected to the transmission via a constant velocity joint
(double offset joint: DOJ) which is flexible in the axial directions, while the outboard end is connect-
ed via a bell joint (BJ) to the wheel hub which is supported by a taper roller bearing located inside
the axle housing. The BJ features a large operating angle.
Both the constant velocity joints (DOJ and BJ) ensure smooth, regular rotation of the drive wheels
with minimum vibration.
The bearing is a preloaded, non-adjustable tapered roller unit bearing. Each hub is fitted in the
axle housing via the tapered roller bearing.
The BJ's spindle is splined to the hub and is secured with an axle nut clinched to it.
The disc rotor is an external mounting type. It is secured to the disc wheel using hub bolts to fa-
cilitate maintenance of the disc rotor.
(2)
(7) (9)
(4)
(8)
(5)
(7)
(1) (6)
(3)
DS-00213
(1) BJ (4) Bearing (7) Oil seal
(2) Axle housing (5) Axle nut (8) Baffle plate
(3) Tone wheels (6) Hub (9) Hub bolt
DS-6
W1860BE.book Page 7 Tuesday, January 28, 2003 11:01 PM
FRONT AXLE
DRIVESHAFT SYSTEM
B: FRONT DRIVESHAFT
1. EXCEPT STi MODEL
A shudder-less free ring tripod joint (SFJ) is used on the differential side of each front driveshaft.
The SFJ can be disassembled for maintenance. It provides a maximum operating angle of 25◦ Jabse Service Manual Search 2026 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo