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PERIODIC MAINTENANCE SERVICES
ATF
17.ATF
A: INSPECTION
CAUTION:
The level of ATF varies with fluid temperature.
Pay attention to the fluid 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)-21, READ CURRENT DATA, OPERA-
TION, Subaru Select Monitor.>
2) Make sure the vehicle is level.
3) After selecting all positions (P, R, N, D, 3, 2, 1),
set the select lever in “P” range. Measure the ATF
level with the engine idling for one or two minutes.
4) Make sure that ATF level is the center of upper
and lower level at “HOT” side.
If the ATF level is below lower level, check the
transmission for leaks. If there are leaks, it is nec-
essary to repair or replace gasket, oil seals, plugs
or other parts.
5) If the ATF level is below the center between up-
per and lower level, add the recommended ATF un-
til the ATF level is found above the center between
upper and lower level.
CAUTION:
• Use care not to exceed the upper level.
• Addition of ATF to the upper level when the
transmission is cold will result in overfilling of
ATF, causing a transmission failure.
6) Check ATF level after raising ATF temperature
to 70 — 80°C (158 —176°F) by running the vehicle
or by idling the engine again.
B: REPLACEMENT
1. AUTOMATIC TRANSMISSION FLUID
1) Drain the ATF (Automatic Transmission Fluid)
by removing drain plug.
NOTE:
• Before starting work, cool off the ATF well.
• Check the condition of ATF drained. <Ref. to
4AT-32, CONDITION CHECK, Automatic Trans-
mission Fluid.>
2) Replace the gasket with a new one, and then
tighten the specified torque.
Tightening torque:
25 N·m (2.55 kgf-m, 18.4 ft-lb)
3) Fill ATF up to the middle of the “COLD” side on
level gauge by using the gauge hole.
Recommended fluid:
Dexron III type automatic transmission fluid
Fluid capacity:
Fill the same amount drained from ATF drain
plug hole.
(A) Level gauge
(B) ATF level range at “HOT” [70 — 80°C (158 —
176°F)]
(C) Upper level
(D) Lower level
(E) ATF level range at “COLD” [20 — 30°C (68 —
86°F)]
PM-00191
COLD
LF
HOT
LF
(A)
(C)
(D)
(C)
(D)
(E)
(B)
(A) Oil pan
(B) ATF drain plug
AT-02389
(A)
(B)