Subaru LEGACY 2006 Manual page 3725

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15.Main Shaft Assembly for Sin-
gle-range
A: REMOVAL
1) Remove the manual transmission assembly
from the vehicle. <Ref. to 5MT-24, REMOVAL,
Manual Transmission Assembly.>
2) Remove the transfer case together with the ex-
tension case assembly. <Ref. to 5MT-36, REMOV-
AL, Transfer Case
Assembly.>
3) Remove the transmission case. <Ref. to 5MT-
48, REMOVAL, Transmission Case.>
4) Remove the drive pinion shaft assembly. <Ref.
to 5MT-57, REMOVAL, Drive Pinion Shaft Assem-
bly.>
5) Remove the main shaft assembly for single-
range.
B: INSTALLATION
1) Install the needle bearing and oil seal to the front
of the transmission single-range main shaft assem-
bly.
NOTE:
• Wrap the clutch splined section with vinyl tape to
prevent damage to the oil seal.
• Apply grease (UNILUBE #2 or equivalent) to the
sealing lip of the oil seal.
• Use a new oil seal.
2) Install the transmission case knock pin into the
knock pin hole of the needle bearing outer race.
NOTE:
Align the end face of the seal with surface (A) when
installing the oil seal.
(A)
3) Install the drive pinion assembly. <Ref. to 5MT-
57, INSTALLATION, Drive Pinion Shaft Assem-
bly.>
4) Install the transmission case. <Ref. to 5MT-49,
INSTALLATION, Transmission Case.>
5) Install the transfer case together with the exten-
sion case assembly. <Ref. to 5MT-36, INSTALLA-
TION, Transfer Case and Extension Case
Assembly.>
Main Shaft Assembly for Single-range
and Extension Case
MT-00185
5MT-51
MANUAL TRANSMISSION AND DIFFERENTIAL
6) Install the manual transmission assembly to the
vehicle. <Ref. to 5MT-26, INSTALLATION, Manual
Transmission Assembly.>
C: DISASSEMBLY
1) Put vinyl tape around main shaft spline to protect
the oil seal from damage. Then pull out the oil seal
and needle bearing by hand.
2) Remove the lock nut from transmission main
shaft assembly for single range.
NOTE:
Straighten the crimp before removing the lock nut.
ST1 498937000 TRANSMISSION HOLDER
ST2 499987003 SOCKET WRENCH (35)
ST2
3) Remove the 5th-Rev sleeve & hub assembly,
baulk ring, 5th drive gear & needle bearing.
(A) 5th-Rev sleeve & hub ASSY
(B) Baulk ring
(C) 5th drive gear
ST1
MT-00186
( C )
( B )
( A )
MT-00187