Subaru Impreza 2003, Service Manual

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4AT-135
AUTOMATIC TRANSMISSION
AT TRANSMISSION MAIN CASE
5. ONE-WAY CLUTCH OUTER RACE
1) Install the needle bearing, and secure with the
snap ring.
2) Install the one-way clutch, one-way clutch inner
race and plate, and secure with the snap ring.
3) Set the inner race. Make sure that the forward
clutch is free in the clockwise direction and locked
in the counterclockwise direction, as viewed from
the front of the vehicle.
E: INSPECTION
1. HIGH CLUTCH AND REVERSE CLUTCH
Inspect the following items.
• Drive plate facing for wear and damage
• Snap ring for wear, return spring for setting and
breakage, and snap ring retainer for deformation
• Lip seal and lathe cut seal ring for damage
• Piston and drum check ball for operation
• Adjust total end play. <Ref. to 4AT-105, AD-
JUSTMENT, Oil Pump Housing.>
2. PLANETARY GEAR AND LOW CLUTCH
Inspect the following items.
• Drive plate facing for wear and damage
• Snap ring for wear, return spring for breakage or
setting, and spring retainer for deformation
• Lip seal and lathe cut seal ring for damage
• Piston check ball for operation
• Measure the total end play and adjust to within
specifications.
<Ref. to 4AT-105, ADJUSTMENT, Oil Pump Hous-
ing.>
3. 2-4 BRAKE
Inspect the following items.
• Drive plate facing for wear and damage
• Snap ring for wear and spring retainer for defor-
mation
• Lip seal and lathe cut seal ring for damage
• Measure the total end play and adjust to within
specifications.<Ref. to 4AT-105, ADJUSTMENT,
Oil Pump Housing.>
4. ONE-WAY CLUTCH
• Make sure the snap ring is not worn and the seal
rings are not damaged.
• Measure the total end play and adjust to within
specifications. <Ref. to 4AT-105, ADJUSTMENT,
Oil Pump Housing.>
5. LOW AND REVERSE BRAKE
Check for the following.
• Drive plate facing for wear or damage
• Snap ring for wear and spring retainer for defor-
mation
(A) Needle bearing
(B) Snap ring
(A) Locked
(B) Free
AT-00268
(B)
(A)
AT-00282
(B)
(A)