Subaru Legacy 2002 Service Manual page 1714

¼ The ball bearing on the rear side of the drive
pinion shaft should be checked for smooth rotation
before the drive pinion assembly is disassembled.
In this case, because a preload is working on the
bearing, its rotation feels like it is slightly dragging
unlike the other bearings.
(A) Drive pinion shaft
(B) Ball bearing
¼ Bearings having other defects
2) Bushing (each gear)
Replace the bushing in the following cases:
¼ When the sliding surface is damaged or abnor-
mally worn.
¼ When the inner wall is abnormally worn.
3) Gears
¼ Replace gears with new ones if their tooth sur-
faces are broken, damaged, or excessively worn.
¼ Correct or replace if the cone that contacts the
baulk ring is rough or damaged.
¼ Correct or replace if the inner surface or end
face is damaged.
4) Baulk ring
Replace the ring in the following cases:
¼ When the inner surface and end face are dam-
aged.
¼ When the ring inner surface is abnormally or
partially worn down.
¼ 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)
DRIVE PINION SHAFT ASSEMBLY
B3M0038E
S3M0188A
MT-89
Manual Transmission and Differential
¼ 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,
hardened, 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.
F: ADJUSTMENT
1. THRUST BEARING PRELOAD
1) After completing the preceding steps 1) through
3), select adjusting washer No. 1 so that dimension
(H) is zero through visual check. Position washer
(18.3 × 30 × 4) and lock washer (18 × 30 × 2) and
install lock nut (18 × 13.5).
S3M0189
S503269A01
S503269A0101
B3M0538A