Subaru 2006 Legacy, Manual

Page: 3729 / 4302

5MT-55
Main Shaft Assembly for Single-range
MANUAL TRANSMISSION AND DIFFERENTIAL
10) Install rest of the parts to the rear section of the
transmission main shaft.
NOTE:
Align the groove in baulk ring with the shifting in-
sert.
11) Tighten the lock nuts to the specified torque us-
ing ST1 and ST2.
NOTE:
Crimp lock nuts in two locations after tightening.
ST1 499987003 SOCKET WRENCH
ST2 498937000 TRANSMISSION HOLDER
Tightening torque:
120 N·m (12.2 kgf-m, 88.5 ft-lb)
E: INSPECTION
Disassembled parts should be washed with un-
leaded gasoline first, then inspected carefully.
1) Bearing
Replace the bearings in the following cases.
• When the bearing balls, outer races and inner
races are broken or rusty.
• When the bearing is worn.
• When the bearings fail to turn smoothly or emit
noise in rotation after gear oil lubrication.
• When bearing has other defects.
2) Bushing (each gear)
Replace the bushing in following cases.
• When the sliding surface is damaged or abnor-
mally worn.
• When the inner wall is abnormally worn.
3) Gear
• Replace gear with new part if its tooth surfaces
are broken, damaged or excessively worn.
• Correct or replace if the cone that contacts the
baulk ring is rough or damaged.
• Correct or replace if the inner surface or end face
is damaged.
4) Baulk ring
Replace the ring in following cases:
• When the inner surface and end face are dam-
aged.
• When the ring inner surface is abnormally or par-
tially worn down.
• When the contact surface of the synchronizer
ring insert is scored or abnormally worn down.
5) Shifting insert key
Replace the insert key if deformed, excessively
worn or defective in any way.
6) Oil seal
Replace the oil seal if the lip is deformed, hard-
ened, worn or defective in any way.
7) O-ring
Replace the O-ring if the sealing face is deformed,
hardened, damaged, worn or defective in any way.
8) Gearshift mechanism
Repair or replace the gearshift mechanism if ex-
cessively worn, bent or defective in any way.
(A) Needle bearing
(B) 5th drive gear
(C) Baulk ring
(D) 5th-Rev sleeve & hub ASSY
(E) Lock washer
(F) Lock nut
MT-00198
(A) (B) (C) (D)
(E)
(F)
(A) Insert key
MT-00989
(A)
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