Subaru IMPREZA GD 2007 Series Manual page 2881

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MANUAL TRANSMISSION AND DIFFERENTIAL
E: INSPECTION
Disassembled parts should be washed clean first
with cleaning solvent and 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 contact surface of the
cone and 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.
Main Shaft Assembly
F: ADJUSTMENT
Selection of main shaft rear plate:
Using the ST, measure the protrusion amount (A)
of ball bearing from transmission main case sur-
face, and select a suitable plate in the following ta-
ble.
NOTE:
Before measuring, tap the end of main shaft with a
plastic hammer lightly in order to make the clear-
ance zero between the main case surface and
moving flange of bearing.
ST 498147000
Dimension (A)
mm (in)
4.00 — 4.13
(0.1575 — 0.1626)
3.87 — 3.99
(0.1524 — 0.1571)
MT-01213
5MT-58
DEPTH GAUGE
Part No. Mark
32294AA041 1
32294AA051 2
(A)
MT-00209