Subaru Impreza 2003 Service Manual page 1910

MANUAL TRANSMISSION AND DIFFERENTIAL
2) Bushing (each gear)
Replace the bushing in the following cases:
• When the sliding surface is damaged or abnor-
mally worn.
• When the inner wall is abnormally worn.
3) Gears
• Replace the gears with new ones if their 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 the following cases:
• When the inner surface and end face are dam-
aged.
• When the ring inner surface is abnormally or par-
tially worn down.
• If the gap between the end faces of the ring and
the gear splined part is excessively small when the
ring is pressed against the cone.
Clearance (A):
0.5 — 1.0 mm (0.020 — 0.040 in)
(A)
• When the contact surface of the synchronizer
ring insert is scored or abnormally worn down.
5) Shifting insert key
Replace the insert if deformed, excessively worn,
or defective in any way.
6) Oil seal
Replace the oil seal if the lip is deformed, hard-
ened, damaged, worn, or defective in any way.
DRIVE PINION SHAFT ASSEMBLY
MT-00265
MT-00208
5MT-102
7) O-ring
Replace the O-ring if the sealing face is deformed,
hardened, damaged, worn, or defective in any way.
F: ADJUSTMENT
1. THRUST BEARING PRELOAD
1) After completing the preceding steps 1) through
3), select the adjusting washer No. 1 so that dimen-
sion (H) is zero through visual check. Position the
washer (18.3 × 30 × 4) and lock washer (18 × 30 ×
2) and install the lock nut (18 × 13.5).
2) Using the ST1, ST2 and ST3, tighten the lock nut
to specified torque.
ST1 899884100 HOLDER
ST2 498427100 STOPPER
ST3 899988608 SOCKET WRENCH (27)
Tightening torque:
120 N·m (12.2 kgf-m, 88.5 ft-lb)
(H)
MT-00267
ST1
ST2
ST3
MT-00268