Subaru IMPREZA GD 2007 Series Manual page 2552

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11.Extension Case Oil Seal
A: INSPECTION
Make sure that the ATF is not leaking from the
transmission and propeller shaft joint. If a leak is
found, replace the oil seal. <Ref. to 4AT-45, RE-
PLACEMENT, Extension Case Oil Seal.>
B: REPLACEMENT
1) Clean the transmission exterior.
2) Drain the ATF completely.
NOTE:
• Tighten the ATF drain plug after draining the
ATF.
• Use a new gasket.
Tightening torque:
25 N·m (2.5 kgf-m, 18.4 ft-lb)
(A) Oil pan
(B) Drain plug (ATF)
3) Remove the rear exhaust pipe and muffler.
Non-turbo model
<Ref. to EX(H4SO)-8, REMOVAL, Rear Exhaust
Pipe.> <Ref. to EX(H4SO)-9, REMOVAL, Muffler.>
Turbo model
<Ref. to EX(H4DOTC)-15, REMOVAL, Rear Ex-
haust Pipe.> <Ref. to EX(H4DOTC)-17, REMOV-
AL, Muffler.>
4) Remove the propeller shaft. <Ref. to DS-15, RE-
MOVAL, Propeller Shaft.>
5) Remove the oil seal using ST.
ST 398527700 PULLER ASSY
6) Using the ST, install the oil seal.
ST 498057300 INSTALLER
7) Install the propeller shaft. <Ref. to DS-16, IN-
STALLATION, Propeller Shaft.>
Extension Case Oil Seal
(A)
(B)
AT-01332
4AT-45
AUTOMATIC TRANSMISSION
8) Install the rear exhaust pipe and muffler.
Non-turbo model
<Ref. to EX(H4SO)-8, INSTALLATION, Rear Ex-
haust Pipe.> <Ref. to EX(H4SO)-9, INSTALLA-
TION, Muffler.>
Turbo model
<Ref. to EX(H4DOTC)-15, INSTALLATION, Rear
Exhaust Pipe.> <Ref. to EX(H4DOTC)-17, IN-
STALLATION, Muffler.>
9) Fill with ATF and check the ATF level. <Ref. to
4AT-28, Automatic Transmission Fluid.>