Subaru 2009 IMPREZA Service Manual page 2136

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MANUAL TRANSMISSION AND DIFFERENTIAL

4) Baulk ring

Replace the baulk ring in the following cases.

• When the inner surface and end face are dam-

• 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

(A) Measured value

5) Ball detent

Replace the ball detent if deformed, excessively

worn or defective in any way.

Replace the oil seal if the lip is deformed, hard-

ened, worn or defective in any way.

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) 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

ST2 498427100

ST3 899988608

SOCKET WRENCH (27)

Tightening torque:

120 N·m (12.2 kgf-m, 88.5 ft-lb)