Subaru 2009 IMPREZA, Service Manual

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5MT-64
Drive Pinion Shaft Assembly
MANUAL TRANSMISSION AND DIFFERENTIAL
4) Baulk ring
Replace the baulk ring in the following cases.
• When the inner surface and end face are dam-
aged.
• When the baulk ring inner surface is abnormally
or partially worn down.
• When the contact surface of synchronizer ring in-
sert is cracked or abnormally worn.
• If the gap between the end faces of the baulk ring
and the gear splined part is excessively small,
check the clearance (A) while pressing the ring
against the cone.
Clearance (A):
0.5 mm (0.020 in) or more
5) Ball detent
Replace the ball detent 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.
F: ADJUSTMENT
1. THRUST BEARING PRELOAD
1) Select a suitable adjusting washer No. 1 to so
that dimension (H) will be zero in a visual check.
Position the washer (18.3 × 30 × 4) and lock wash-
er (18 × 30 × 2) and attach the lock nut. (18 × 13.5)
2) Using the ST1, ST2 and ST3, tighten the new
lock nut to the 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)
(A) Measured value
MT-01674
(A)
MT-00267
(H)
MT-00268
ST1
ST2
ST3