Subaru 2009 IMPREZA Service Manual page 1953

• Toe contact (inside contact)
Check item: Teeth contact area is too small.
Contact pattern
Corrective action: Reduce the thickness of pinion
height adjusting washer according to the procedure
for bringing drive pinion away from hypoid driven
gear side.
Drive Pinion Shaft Assembly
• Heel contact (outside end contact)
Check item: Teeth contact area is too small.
Contact pattern
AT-00210
Corrective action: Increase the thickness of the pin-
ion height adjusting washer according to the proce-
dures for moving the drive pinion closer to the
hypoid driven gear.
AT-00213
6) If tooth contact is correct, mark the differential
side retainer position and loosen. After fitting a new
O-ring and oil seal, screw in the differential side re-
tainer to the marked position. Tighten the lock plate
with specified torque.
Tightening torque:
4AT-97
AUTOMATIC TRANSMISSION
25 N·m (2.5 kgf-m, 18.4 ft-lb)
(A)
(A) Lock plate
AT-00211
AT-00212
AT-00214