Input Shaft Assembly - Subaru 2004 Impreza Service Manual

18.Input Shaft Assembly

A: REMOVAL
1) Remove the manual transmission assembly
from vehicle. <Ref. to 5MT-38, REMOVAL, Manual
Transmission Assembly.>
2) Remove the transfer case with extension case
assembly. <Ref. to 5MT-53, REMOVAL, Transfer
Case and Extension Case Assembly.>
3) Remove the transmission case. <Ref. to 5MT-
66, REMOVAL, Transmission Case.>
4) Remove the drive pinion shaft assembly. <Ref.
to 5MT-91, REMOVAL, Drive Pinion Shaft Assem-
bly.>
5) Remove the main shaft assembly and input shaft
assembly.
B: INSTALLATION
1) Install the needle bearing onto the front of trans-
mission main shaft assembly.
2) Connect the main shaft assembly and input shaft
assembly.
3) Install the needle bearing outer race knock pin
hole into transmission case knock pin.
4) Install the drive pinion assembly. <Ref. to 5MT-
91, INSTALLATION, Drive Pinion Shaft Assem-
bly.>
5) Install the transmission case. <Ref. to 5MT-68,
INSTALLATION, Transmission Case.>
6) Install the transfer case with extension case as-
sembly. <Ref. to 5MT-53, INSTALLATION, Trans-
fer Case and Extension Case Assembly.>
7) Install the manual transmission assembly on ve-
hicle. <Ref. to 5MT-41, INSTALLATION, Manual
Transmission Assembly.>
C: DISASSEMBLY
1) Remove the O-ring from input shaft holder. Also,
remove the input shaft holder shim.
NOTE:
• Use a new O-ring.
• Number of shims used varies from zero to two.
( A )
(A) Input shaft holder
(B) O-ring
(C) Input shaft holder shim
Input Shaft Assembly
( B )
( C )
MT-00226
5MT-87
MANUAL TRANSMISSION AND DIFFERENTIAL
2) Put vinyl tape around the input shaft splines to
protect oil seal from damage.
3) Remove the inner snap ring.
ST 398663600 PLIERS
S T
4) Hold the input shaft holder stationary and re-
move the input shaft by tapping its end with a plas-
tic hammer.
( B )
(A) Input shaft holder
(B) Input shaft
5) Remove the outer snap ring. Then remove the
oil squeeze plate and straight pin.
( B )
(A) Snap ring
(B) Oil squeeze plate
MT-00227
( A )
MT-00228
( A )
MT-00229