Subaru 2004 Impreza Service Manual page 31

MANUAL TRANSMISSION AND DIFFERENTIAL
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.
7) O-ring
Replace the O-ring if the sealing face is deformed,
hardened, damaged, worn, or defective in any way.
Drive Pinion Shaft Assembly
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).
MT-00265
MT-00208
2) Using the ST1, ST2 and ST3, tighten the lock nut
to specified torque.
ST1 899884100
ST2 498427100
ST3 899988608
Tightening torque:
3) After removing the ST2, measure the starting
torque using torque driver.
ST1 899884100
ST3 899988608
5MT-100
HOLDER
STOPPER
SOCKET WRENCH (27)
120 N·m (12.2 kgf-m, 88.5 ft-lb)
ST1
ST3
HOLDER
SOCKET WRENCH (27)
(H)
MT-00267
ST2
MT-00268