Subaru Impreza 2003 Service Manual page 1644

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AUTOMATIC TRANSMISSION
37.Front Differential
A: REMOVAL
1) Remove the transmission assembly from the ve-
hicle. <Ref. to 4AT-39, REMOVAL, Automatic
Transmission Assembly.>
2) Extract the torque converter clutch assembly.
<Ref. to 4AT-75, REMOVAL, Torque Converter
Clutch Assembly.>
3) Remove the input shaft.
4) Lift-up lever behind the transmission harness
connector and disconnect it from stay.
5) Disconnect inhibitor switch from stay.
6) Remove the oil charger pipe. <Ref. to 4AT-74,
REMOVAL, Oil Charger Pipe.>
7) Remove the oil cooler inlet and outlet pipes.
<Ref. to 4AT-71, REMOVAL, ATF Cooler Pipe and
Hose.>
8) Separation of torque converter clutch case and
transmission case.<Ref. to 4AT-98, REMOVAL,
Torque Converter Clutch Case.>
9) Remove the seal pipe.
10) Remove the differential side retainer with ST.
NOTE:
Hold the differential case assembly by hand to
avoid damaging retainer mounting hole of the
torque converter clutch case.
ST 499787000
WRENCH ASSY
11) Remove the differential assembly without dam-
aging installation part of retainer.
FRONT DIFFERENTIAL
B: INSTALLATION
1) Install the differential assembly to the case, pay-
ing special attention not to damage the inside of the
case (particularly, the differential side retainer con-
tact surface).
2) Install the O-rings from left and right side retain-
er.
AT-00114
3) Using ST, install the side retainers. <Ref. to 4AT-
112, REMOVAL, Front Differential.>
ST 499787000
4) Adjust the front differential backlash. <Ref. to
4AT-116, ADJUSTMENT, Front Differential.>
5) Install the lock plate.
Tightening torque:
25 N·m (2.5 kgf-m, 18.1 ft-lb)
4AT-112
(A) Differential assembly
WRENCH ASSY
(A)
(A) Lock plate
(A)
AT-00215
AT-00214

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