Subaru Legacy (2005 year). Service manual — part 512
4AT-29
AUTOMATIC TRANSMISSION
General Description
18675AA000
DIFFERENTIAL OIL
SEAL INSTALLER
Used for installing differential side retainer oil
seal.
398497701
SEAT
Used for installing needle bearing.
899524100
PULLER SET
Used for bolt only.
• Used with PULLER SET (499737100).
• Used with PULLER (499737000).
(1) PULLER
(2) Cap
499247300
INSTALLER
Used for installing oil pump housing retainer oil
seal.
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
ST18675AA000
ST-398497701
ST-899524100
ST-499247300
4AT-30
AUTOMATIC TRANSMISSION
General Description
2. GENERAL TOOL
18482AA000
(Newly adopted tool)
CARTRIDGE
Troubleshooting for electrical system.
22771AA030
SUBARU SELECT
MONITOR KIT
Troubleshooting for electrical system.
• English: 22771AA030 (Without printer)
• German: 22771AA070 (Without printer)
• French: 22771AA080 (Without printer)
• Spanish: 22771AA090 (Without printer)
TOOL NAME
REMARKS
Depth gauge
Used for measuring transmission end play.
Thickness gauge
Used for measuring clearance of clutch, brake and oil pump.
Micro meter
Used for measuring thickness of drive pinion.
Spring balance
Used for measuring starting torque of drive pinion.
Circuit tester
Used for measuring resistance and voltage.
TORX
®
T70
Used for removing and installing differential gear oil drain plug.
Push/pull gauge
Used for measuring piston stroke of each clutch.
ILLUSTRATION
TOOL NUMBER
DESCRIPTION
REMARKS
ST18482AA000
ST22771AA030
4AT-31
AUTOMATIC TRANSMISSION
Automatic Transmission Fluid
2. Automatic Transmission Flu-
id
A: INSPECTION
NOTE:
The level of ATF varies with fluid temperature. Pay
attention to the ATF temperature when checking
ATF level.
1) Raise the ATF temperature by driving a distance
of 5 to 10 km (3 to 6 miles). Otherwise, idle the en-
gine to raise ATF temperature to 70 — 80
°C (158
— 176
°F) on Subaru Select Monitor. <Ref. to
4AT(diag)-16, READ CURRENT DATA, OPERA-
TION, Subaru Select Monitor.>
2) Park the vehicle on a level surface.
3) After selecting all positions (P, R, N, D), set the
select lever in “P” range. Measure the ATF level
with engine idling for one or two minutes.
4) Make sure that ATF level is above the center be-
tween upper and lower marks at HOT side.
5) If the ATF level is below the center between up-
per and lower marks, add the recommended ATF
until the fluid level exceeds the center between up-
per and lower marks.
CAUTION:
• Use care not to exceed the upper level.
• When the transmission is cold, be careful no
to add ATF to the upper mark. Overfilling of ATF
may cause oil splashing.
6) Raise the ATF temperature by driving a distance
of 5 to 10 km (3 to 6 miles). Otherwise, idle the en-
gine to raise ATF temperature to 70 — 80
°C (158
— 176
°F) on Subaru Select Monitor. <Ref. to
4AT(diag)-16, READ CURRENT DATA, OPERA-
TION, Subaru Select Monitor.>
7) Check the ATF for leaks.
Visually check for leaks in the transmission. If there
are leaks, replace the gasket, oil seal, plug or other
parts.
B: REPLACEMENT
1) Lift up the vehicle.
2) Remove the ATF drain plug to drain ATF.
CAUTION:
Directly after the vehicle has been running, the
ATF is hot. Be careful not to burn yourself.
3) Check the condition of ATF. <Ref. to 4AT-32,
CONDITION CHECK, Automatic Transmission
Fluid.>
4) Tighten the ATF drain plug.
NOTE:
Use a new gasket.
Tightening torque:
25 N
⋅
m (2.5 kgf-m, 18.4 ft-lb)
5) Lower the vehicle.
6) Pour ATF from the oil charge pipe.
Recommended fluid:
SUBARU ATF (Part No. K0410Y0700) or IDE-
MITSU “Apolloil ATF HP”, Castrol “Transmax
J”.
NOTE:
If the ATF above are not available, use Dexron III.
Capacity:
Fill the same amount of ATF when drained.
Capacity when transmission is overhauled:
2.0 L model
8.4 — 8.7
2 (8.9 — 9.2 US qt, 7.4 — 7.7 Imp
qt)
2.5 L model
9.3 — 9.6
2 (9.8 — 10.1 US qt, 8.2 — 8.4 Imp
qt)
7) Bleed the air of control valve.
<Ref. to 4AT-64, Air Bleeding of Control Valve.>
8) Check the level and leaks of ATF.
<Ref. to 4AT-31, INSPECTION, Automatic Trans-
mission Fluid.>
(A) ATF level gauge
(B) Upper level
(C) Lower level
AT-01323
COLD
LF
HOT
LF
(C)
(C)
(B)
(B)
(A)
(A) Oil pan
(B) ATF drain plug
AT-01332
(B)
(A)
4AT-32
AUTOMATIC TRANSMISSION
Automatic Transmission Fluid
C: CONDITION CHECK
NOTE:
When replacing ATF, check the inside condition of transmission body by inspecting the drained ATF.
Fluid condition
Trouble and possible cause
Corrective action
Large amount of metallic pieces are
found.
Excessive wear of the internal of the trans-
mission body
Replace ATF and check if AT operates
correctly.
Thick and varnish-form fluid
Burned clutch and etc.
Replace ATF and check the AT body or
vehicle for faulty.
Clouded fluid or bubbles are found in
fluid.
Water mixed in fluid
Replace ATF and check the water enter-
ing point.
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