Subaru 2009 IMPREZA, Service Manual

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5MT-55
Main Shaft Assembly for Single-Range
MANUAL TRANSMISSION AND DIFFERENTIAL
7) Install rest of the parts to the rear section of the
transmission main shaft.
CAUTION:
• Install the baulk lever so that the concave
side faces toward the 5th hub.
• Align the protruded section of baulk ring be-
tween the baulk levers.
8) Tighten the lock nuts to the specified torque us-
ing ST1 and ST2.
9) Crimp lock nuts in two locations after tightening.
ST1
499987003 SOCKET WRENCH (35)
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 clean-
ing solvent 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 gears in the following cases.
• Replace the gear with new part if its tooth surfac-
es 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.
(A) Baulk lever
(B) 5th hub
(A) Baulk ring
(B) Baulk lever
(C) 5th hub
(A) Needle bearing
(B) 5th drive gear
(C) Baulk ring
(D) 5th hub & sleeve No. 2
(E) Lock washer
(F) Lock nut
(G) Baulk lever
(A)
(B)
MT-01522
MT-01531
(A) (B)
(C)
(B)
MT-01627
(D)
(A) (B) (C)
(E)
(F)
(G)