Subaru IMPREZA GD 2007 Series Manual page 2600

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NOTE:
There are two types of seals. They are identified by
color. Install at the proper positions by referring to
the figure.
(A)
(B)
(A) Seal ring (Black)
(B) Seal ring (Brown)
2. OIL SEAL RETAINER
1) Install two new oil seals to the oil seal retainer in
the proper direction using the ST.
ST 499247300 INSTALLER
(A)
(A) Oil seal
(B) Oil seal retainer
2) Install a new O-ring to the oil pump housing us-
ing Vaseline.
(A)
(A) O-ring
3) Install the oil seal being careful not to damage oil
seal lip, and secure it using three bolts.
Oil Pump Housing
AT-01307
(A)
(B)
AT-04088
AT-03361
4AT-93
AUTOMATIC TRANSMISSION
Tightening torque:
7 N·m (0.7 kgf-m, 5.1 ft-lb)
(A) Oil seal retainer
(B) Drive pinion shaft
E: INSPECTION
1) Check the seal ring and oil seal for breaks and
damage.
2) Check other parts for dents or faults.
3) Oil pump rotor assembly selection
(1) Tip clearance
Install the inner rotor and outer rotor to the oil
pump. With rotor gears facing each other, mea-
sure the crest-to-crest clearance.
Tip clearance:
0.02 — 0.15 mm (0.0008 — 0.0059 in)
(A)
(B)
(A) Thickness gauge
(B) Inner rotor
(C) Outer rotor
(2) Side clearance
Set a depth gauge to oil pump housing, then
measure the oil pump housing-to-rotor clear-
ance.
(B)
(A)
AT-03598
(C)
AT-01038