Subaru 2009 IMPREZA, Service Manual

Page: 1954 / 3619

4AT-98
Front Differential Assembly
AUTOMATIC TRANSMISSION
33.Front Differential Assembly
A: REMOVAL
1) Remove the transmission assembly from the ve-
hicle. <Ref. to 4AT-36, REMOVAL, Automatic
Transmission Assembly.>
2) Pull out the torque converter clutch assembly.
<Ref. to 4AT-69, REMOVAL, Torque Converter
Clutch Assembly.>
3) Remove the input shaft.
4) Lift up the lever on the rear side of transmission
harness connector, and then remove it from the
stay.
5) Remove the inhibitor switch connector from the
stay.
6) Remove the oil charge pipe. <Ref. to 4AT-68,
REMOVAL, Oil Charge Pipe.>
7) Remove the ATF inlet and outlet pipes. <Ref. to
4AT-64, REMOVAL, ATF Cooler Pipe and Hose.>
8) Separate the converter case from the transmis-
sion case. <Ref. to 4AT-83, REMOVAL, Converter
Case.>
9) Remove the seal pipe.
10) Remove the differential side retainers using
ST.
ST
18630AA010 WRENCH COMPL RETAINER
NOTE:
• ST
WRENCH ASSEMBLY (499787000) can
also be used.
• Hold the differential case assembly by hand to
avoid damaging the retainer mounting hole of the
converter case.
11) Remove the front differential assembly while
being careful not to damage the attachment part of
the retainer.
B: INSTALLATION
1) Install the front differential assembly to the con-
verter case.
NOTE:
Be careful not to damage the inside of the convert-
er case (especially the mating surface of the differ-
ential side retainer).
2) Install the O-ring to left and right side differential
retainers.
3) Install the differential side retainers using ST.
<Ref. to 4AT-102, ADJUSTMENT, Front Differen-
tial Assembly.>
ST
18630AA010 WRENCH COMPL RETAINER
NOTE:
ST
WRENCH ASSEMBLY (499787000) can also
be used.
4) Adjust the backlash of the front differential. <Ref.
to 4AT-102, ADJUSTMENT, Front Differential As-
sembly.>
5) Install the lock plate.
Tightening torque:
25 N·m (2.5 kgf-m, 18.4 ft-lb)
AT-00114
(A) Front differential ASSY
(A) Lock plate
AT-00215
(A)
AT-00214
(A)