Subaru 2009 IMPREZA Service Manual page 1958

AUTOMATIC TRANSMISSION
(3) If the backlash is out of specification, select
a washer from the table below.
Washer
Part No.
803038021
803038022
803038023
6) Using the ST, install the taper roller bearing.
ST 398487700 INSTALLER
(A) Taper roller bearing
2. SIDE RETAINER
1) Install the bearing outer race to the differential
side retainer.
2) Install a new oil seal using the ST and a hammer.
ST 18675AA000 DIFFERENTIAL SIDE OIL
SEAL INSTALLER
ST
3) Apply differential gear oil to a new O-ring and in-
stall.
Front Differential Assembly
Thickness mm (in)
0.95 (0.037)
1.00 (0.039)
1.05 (0.041)
AT-04377
AT-00226
AT-00219
4AT-102
E: INSPECTION
• Check each component for scratches, damage
or other faults.
• Measure the backlash, and then adjust it to be
within specification. <Ref. to 4AT-102, ADJUST-
MENT, Front Differential Assembly.>
F: ADJUSTMENT
1) Using the ST, screw-in the differential side re-
tainer until resistance is felt.
ST 18630AA010 WRENCH COMPL RETAINER
NOTE:
• Screw-in the RH side slightly deeper than the LH
side.
• ST WRENCH ASSEMBLY (499787000) can
also be used.
2) Remove the oil pump housing.
3) Remove the liquid gasket from the mating sur-
face completely.
4) Install the oil pump housing assembly to the con-
verter case, and secure them by tightening the four
bolts evenly.
NOTE:
Use an old gasket or aluminum washer to prevent
damaging the mating surface of the housing.
Tightening torque:
41 N·m (4.2 kgf-m, 30.2 ft-lb)
ST
AT-00227
AT-00205