Subaru IMPREZA GD 2007 Series Manual page 2597

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AUTOMATIC TRANSMISSION
35.Oil Pump Housing
A: REMOVAL
1) Remove the transmission assembly from vehicle
body. <Ref. to 4AT-37, 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 disconnect it from the
stay.
5) Disconnect 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 oil cooler inlet and outlet pipes.
<Ref. to 4AT-65, REMOVAL, ATF Cooler Pipe and
Hose.>
8) Separate the converter case and transmission
case. <Ref. to 4AT-88, REMOVAL, Converter
Case.>
9) Separate the transmission case and extension
case section. <Ref. to 4AT-70, REMOVAL, Exten-
sion Case.>
10) Remove the reduction drive gear. (MP-T mod-
el) <Ref. to 4AT-83, REMOVAL, Reduction Drive
Gear.>
11) Remove the center differential carrier. (VTD
model) <Ref. to 4AT-85, REMOVAL, Center Differ-
ential Carrier.>
12) Remove the reduction driven gear. <Ref. to
4AT-81, REMOVAL, Reduction Driven Gear.>
13) Loosen the oil pump housing mounting bolts.
Oil Pump Housing
14) Place two wooden blocks on the workbench,
and stand the transmission case with the rear end
facing down.
NOTE:
• Be careful not to scratch the rear mating surface
of the transmission case.
• Be careful of the parking rod and drive pinion
protruding from the mating surface.
15) Remove the oil pump housing and adjusting
AT-00114
thrust washer.
(A) Oil pump housing
B: INSTALLATION
1) Secure the oil pump housing with two nuts and a
bolt.
Tightening torque:
42 N·m (4.3 kgf-m, 31 ft-lb)
(A) Oil pump housing
2) Install the converter case assembly to the trans-
mission case assembly. <Ref. to 4AT-69, INSTAL-
LATION, Torque Converter Clutch Assembly.>
AT-01034
4AT-90
55mm
(2.17in)
AT-00181
(A)
AT-03596
(A)
AT-03597