Subaru IMPREZA GD 2007 Series Manual page 2984

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32) Using the ST, crimp the lock nut in 4 locations,
with dimensions within A 27±0.3 mm (1.06±0.01
in).
ST 18668AA000 PUNCH
NOTE:
Do not damage the crimp area of the lock nut.
ST
E: INSPECTION
Disassembled parts should be washed with water
first and then inspected carefully.
1) Bearing
Replace the bearings in the following cases.
• Bearing wear, rusting or damage
• If the bearing does not rotate smoothly or an ab-
normal noise is emitted when turning.
• When the bearing has other defects
2) Bushing (each gear)
Replace the bushing in following cases.
• When gear sliding surfaces are damaged or ex-
cessively worn.
3) Gear
Replace gears in the following cases.
• When gear teeth are damaged or excessively
worn.
• If the contact area of the baulk ring is damaged.
• If the inner face of the gear is worn.
4) Baulk ring, synchro cone
Replace the baulk ring and synchro cone in follow-
ing cases:
• Baulk ring wear, rusting or damage
Main Shaft Assembly
A
A
MT-00580
6MT-79
MANUAL TRANSMISSION AND DIFFERENTIAL
5) Shifting insert key
Replace the shifting insert key if deformed, exces-
sively worn or defective in any way.
F: ADJUSTMENT
1. MAIN SHAFT SNAP RING & WASHER
SELECTION
NOTE:
In the following conditions, perform the procedures
below.
• 1st to 6th driven gear replacement
• 1st and 2nd synchro ring assembly replacement
• Ball bearing replacement
• Adapter plate replacement
• Driven shaft replacement
1) Insert the drive pinion assembly into the adapter
plate.
NOTE:
Confirm that the thrust bearing outer race has not
been removed and the drive pinion is not lifted.
2) Set the height gauge to the adapter plate. Lower
the height gauge indicator to the mating surface of
the adapter plate and case, and set to zero points.
ST 18853AA000 HEIGHT GAUGE
ST
MT-00581
MT-00582