Front Differential Assembly - Subaru IMPREZA 2004 Service Manual

MANUAL TRANSMISSION AND DIFFERENTIAL

23.Front Differential Assembly

A: REMOVAL
1) Remove the manual transmission assembly.
<Ref. to 6MT-36, REMOVAL, Manual Transmis-
sion Assembly.>
2) Prepare the transmission for overhaul. <Ref. to
6MT-41, Preparation for Overhaul.>
3) Remove the oil pipe, neutral position switch,
back-up light switch and harness. <Ref. to 6MT-43,
REMOVAL, Oil Pipe.>, <Ref. to 6MT-46, REMOV-
AL, Neutral Position Switch.>, <Ref. to 6MT-44,
REMOVAL, Back-up Light Switch.>
4) Remove the extension case. <Ref. to 6MT-48,
REMOVAL, Extension Case.>
5) Remove the transfer driven gear. <Ref. to 6MT-
59, REMOVAL, Transfer Driven Gear.>
6) Remove the center differential. <Ref. to 6MT-61,
REMOVAL, Center Differential.>
7) Remove the oil pump. <Ref. to 6MT-62, RE-
MOVAL, Oil Pump.>
8) Remove the transmission case. <Ref. to 6MT-
66, REMOVAL, Transmission Case.>
9) Remove each gear assembly. <Ref. to 6MT-71,
REMOVAL, Main Shaft Assembly.>
10) Remove the drive pinion shaft assembly. <Ref.
to 6MT-98, REMOVAL, Drive Pinion Shaft Assem-
bly.>
11) Remove the lock plates on both side.
(A) Lock plate
12) Using the ST, remove the differential side re-
tainer on both side.
ST1 499787000 WRENCH ASSY (RIGHT
SIDE)
ST2 18630AA000 WRENCH ASSY (LEFT SIDE)
Front Differential Assembly
(A)
MT-01022
6MT-104
NOTE:
Be careful not to damage the part of clutch case
where the retainer is to be installed.
(B)
(A)
(A) Left side
(B) Right side
13) Remove the front differential.
B: INSTALLATION
1) Install the differential assembly into clutch hous-
ing.
2) Apply oil to the threaded portion part of side re-
tainer.
3) Remove the O-ring from side retainer of both
side.
4) Using the ST, install the differential side retainer
to both side.
ST1 499787000 WRENCH ASSY (RIGHT
SIDE)
ST2 18630AA000 WRENCH ASSY (LEFT SIDE)
ST1
ST2
MT-00657