Center Differential - Subaru 2002 IMPREZA Service Manual

MANUAL TRANSMISSION AND DIFFERENTIAL

12.Center Differential

A: REMOVAL
1) Remove the manual transmission assembly
from vehicle. <Ref. to MT-33, REMOVAL, Manual
Transmission Assembly.>
2) Remove the transfer case with extension case
assembly.<Ref. to MT-48, REMOVAL, Transfer
Case and Extension Case Assembly.>
3) Remove the extension case assembly. <Ref. to
MT-48, REMOVAL, Transfer Case and Extension
Case Assembly.>
4) Remove the transfer driven gear. <Ref. to MT-
54, REMOVAL, Transfer Driven Gear.>
5) Remove the center differential.
B: INSTALLATION
1) Install the center differential into transfer case.
2) Install the transfer driven gear. <Ref. to MT-54,
INSTALLATION, Transfer Driven Gear.>
3) Install the extension case assembly. <Ref. to
MT-48, INSTALLATION, Transfer Case and Exten-
sion Case Assembly.>
4) Install the transfer case with extension case as-
sembly. <Ref. to MT-48, REMOVAL, Transfer
Case and Extension Case Assembly.>
5) Install the back-up light switch and neutral posi-
tion switch. <Ref. to MT-43, REMOVAL, Switches
and Harness.>
6) Install the manual transmission assembly to ve-
hicle. <Ref. to MT-37, INSTALLATION, Manual
Transmission Assembly.>
C: DISASSEMBLY
NOTE:
Do not disassemble the center differential because
it is a non-disassemble part.
Remove the ball bearing using ST.
NOTE:
Do not reuse the ball bearing.
ST 498077300 CENTER DIFFERENTIAL
BEARING REMOVER
CENTER DIFFERENTIAL
D: ASSEMBLY
Install the ball bearing to center differential assem-
bly.
CAUTION:
Do not apply pressure in excess of 10 kN (1 ton,
1.1 US ton, 1.0 Imp ton).
E: INSPECTION
1) Bearings
Replace the bearings in the following cases:
• Broken or rusty bearings
• Worn or damaged
• Bearings that fail to turn smoothly or make ab-
normal noise when turned after gear oil lubrication.
• Bearings having other defects
2) Center differential
Replace the center differential assembly in the fol-
lowing case:
• Worn or damaged
B3M1398C
MT-56
(A) Ball bearing
B3M1399B