Subaru 2009 IMPREZA Service Manual page 2104

MANUAL TRANSMISSION AND DIFFERENTIAL
6. Differential Side Retainer Oil
Seal
A: INSPECTION
Check for leakage of gear oil from differential side
retainer oil seal part. If there is oil leakage, replace
the oil seal with the new part and check the drive
shaft.
B: REPLACEMENT
1) Lift up the vehicle.
2) Remove the transmission gear oil drain plug us-
®
ing TORX bit T70, and drain the transmission
gear oil completely.
3) Replace the gasket with a new part and tighten
the transmission gear oil drain plug using the
®
TORX bit T70.
Tightening torque:
44 N·m (4.5 kgf-m, 32.5 ft-lb)
(Aluminum gasket, silver)
70 N·m (7.1 kgf-m, 51.6 ft-lb)
(Copper gasket, brown)
70 N·m (7.1 kgf-m, 51.6 ft-lb)
(Metal gasket, black)
4) Remove the front and center exhaust pipes.
(Non-turbo model) <Ref. to EX(H4SO)-6, REMOV-
AL, Front Exhaust Pipe.> <Ref. to EX(H4SO)-9,
REMOVAL, Center Exhaust Pipe.>
5) Remove the center exhaust pipe. (Turbo model)
<Ref. to EX(H4DOTC)-8, REMOVAL, Center Ex-
haust Pipe.>
6) Separate the front drive shaft from the transmis-
sion. <Ref. to DS-26, REMOVAL, Front Drive
Shaft.>
Differential Side Retainer Oil Seal
MT-01548
MT-01548
5MT-32
7) Remove the differential side retainer oil seal.
NOTE:
• Be sure to replace the differential side retainer oil
seal whenever the front drive shaft is removed from
the transmission.
• Use the ST 398527700 PULLER ASSY to re-
move the oil seal. If removing the oil seal with a flat
tip screwdriver, be careful not to scratch the differ-
ential side retainer.
8) Using the ST, install the differential side retainer
oil seal by lightly tapping with a plastic hammer.
ST 18675AA000 DIFFERENTIAL SIDE OIL
SEAL INSTALLER
CAUTION:
Apply transmission gear oil to the oil seal lips,
and install the oil seal while being careful not to
deform the lip.
ST
9) Install the front drive shaft. <Ref. to DS-26, IN-
STALLATION, Front Drive Shaft.>
ST 28399SA010 OIL SEAL PROTECTOR
10) Install the front and center exhaust pipes. (Non-
turbo model) <Ref. to EX(H4SO)-7, INSTALLA-
TION, Front Exhaust Pipe.> <Ref. to EX(H4SO)-9,
INSTALLATION, Center Exhaust Pipe.>
11) Install the center exhaust pipe. <Ref. to
EX(H4DOTC)-10, INSTALLATION, Center Ex-
haust Pipe.>
12) Lower the vehicle.
13) Add the transmission gear oil through the oil
level gauge hole. <Ref. to 5MT-20, REPLACE-
MENT, Transmission Gear Oil.>
MT-00103