Subaru LEGACY 2006 Manual page 3328

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E: INSPECTION
1. FRONT BRAKE
Check the following items.
• Drive plate facing for wear and damage
• Snap ring for wear, return spring for damage,
and retainer for damage
• Piston for damage
• D-ring for damage
2. OIL PUMP
Check the following items.
• Oil pump cover and oil seal for breakage or dam-
age
• Oil pump body for scratch or damage
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 oil pump
housing. With rotor gears facing each other,
measure the crest-to-crest clearance.
Tip clearance:
0.02 — 0.15 mm (0.0008 — 0.0059 in)
(A)
(A) Thickness gauge
(B) Inner rotor
(C) Outer rotor
Oil Pump Cover
Side clearance:
(B)
15008AA130
(C)
15008AA140
15008AA150
AT-01977
5AT-83
AUTOMATIC TRANSMISSION
(2) Side clearance
Set a depth gauge to oil pump housing, then
measure the oil pump housing-to-rotor clear-
ance.
0.02 — 0.045 mm (0.0008 — 0.0018 in)
(C)
(A) Depth gauge
(B) Inner rotor
(C) Outer rotor
(3) If the depth and/or side clearance are not
within the specification, replace the rotor as-
sembly.
Oil pump rotor assembly
Part number Thickness mm (in)
11.37 — 11.38 (0.4476 — 0.4480)
11.38 — 11.39 (0.4480 — 0.4484)
11.39 — 11.40 (0.4484 — 0.4488)
Measure the total end play and adjust it to be
within specifications. <Ref. to 5AT-103, AD-
JUSTMENT, AT Main Case.>
(A)
(B)
AT-01978