2004 SUBARU FORESTER Service Repair Manual

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Page 2337 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT-25
AUTOMATIC TRANSMISSION
General Description
499787700 WRENCH Used for removing and installing drive pinion lock
nut.
499787500 ADAPTER Used for removing and installing drive pinion lock
nut.
3

Page 2338 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT-26
AUTOMATIC TRANSMISSION
General Description
499577000 GAUGE Used for measuring mating surface of transmis-
sion to end of reduction gear.
499737000 PULLER Used for removing reduction driven gear

Page 2339 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT-27
AUTOMATIC TRANSMISSION
General Description
498937110 HOLDER Used for removing and installing drive pinion lock
nut.
498677100 COMPRESSOR Used for installing 2-4 brake snap ring.
498437000 HIGH

Page 2340 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT-28
AUTOMATIC TRANSMISSION
General Description
899580100 INSTALLER Used for press-fitting the ball bearing for transfer
clutch.
18675AA000 DIFFERENTIAL OIL
SEAL INSTALLERUsed for installing diffe

Page 2341 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT-29
AUTOMATIC TRANSMISSION
General Description
2. GENERAL TOOL
24082AA230
(Newly adopted tool)CARTRIDGE Troubleshooting for electrical system.
22771AA030 SUBARU SELECT
MONITOR KITTroubleshooting f

Page 2342 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT-30
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 wh

4AT-30
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. 4AT(H4SO)-18, 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 engine idling for one or two minutes.
4) Make sure that ATF level is above the center of
upper level and lower level at HOT side.
If the ATF level is below the lower level, check for
leaks in the transmission. If there are leaks, it is
necessary to repair or replace gasket, oil seals,
plugs or other parts.
5) If the ATF level is below the center between up-
per level and lower level, add the recommended
ATF until the fluid level is found above the center
between upper level and lower level marks.
CAUTION:
Use care not to exceed the upper level.
Remember that the addition of ATF to the up-
per limit mark when the transmission is cold
will 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) Lift-up the vehicle.2) Drain the ATF completely.
CAUTION:
Directly after the engine has been running, the
ATF is hot. Be careful not to burn yourself.
3) Replace the gasket with new one, and then tight-
en the drain plug (ATF).
Tightening torque:
25 N
⋅m (2.5 kgf-m, 18.1 ft-lb)
4) Lower the vehicle.
5) Pour ATF from the ATF charge pipe.
Recommended fluid:
DEXRON III type automatic transmission flu-
id
Capacity:
Fill the same amount of ATF drained from
drain plug hole.
CAPACITY WHEN TRANSMISSION IS OVER-
HAULED:
2.0 L NON-TURBO MODEL
8.4 — 8.72 (8.9 — 9.2 US qt, 7.4 — 7.7 Imp
qt)
EXCEPT 2.0 L NON-TURBO MODEL
9.3 — 9.62 (9.8 — 10.1 US qt, 8.2 — 8.4 Imp
qt)
6) Check the level and leaks of ATF.
mission Fluid.>
(A) ATF level gauge
(B) Upper level
(C) Lower level
AT-00674
COLD
LFHOT LF
(C)
(C)
(B)
(B)
(A)(A) Oil pan
(B) Drain plug (ATF)
(C) Differential gear oil drain plug
AT-00016
(A) (B)
(C)

Page 2343 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT-31
AUTOMATIC TRANSMISSION
Differential Gear Oil
3. Differential Gear Oil
A: INSPECTION
1) Park the vehicle on a level surface.
2) Remove the oil level gauge and wipe it clean.
3) Reinsert the leve

Page 2344 of 2870

SUBARU FORESTER 2004 Service Repair Manual 4AT-32
AUTOMATIC TRANSMISSION
Road Test
4. Road Test
A: INSPECTION
1. GENERAL PRECAUTION
Road tests should be conducted to properly diag-
nose the condition of the automatic transmission.
NOTE:
When

4AT-32
AUTOMATIC TRANSMISSION
Road Test
4. Road Test
A: INSPECTION
1. GENERAL PRECAUTION
Road tests should be conducted to properly diag-
nose the condition of the automatic transmission.
NOTE:
When performing the test, do not exceed posted
speed limit.
2. D RANGE SHIFT FUNCTION
Check shifting between 1st ←→ 2nd ←→ 3rd ←→
4th while driving on normal city streets.
3. D RANGE SHIFT SHOCK
Check the shock level when shifting up during nor-
mal driving.
4. KICK-DOWN FUNCTION
Check kick-down for each gear. Also check the
kick-down shock level.
5. ENGINE BRAKE OPERATION
Check the 3rd gear engine brake when shifting
down from D ←→ 3rd range while driving in 4th
gear of D range [50 — 60 km/h (31 — 37 MPH)].
Check the 2nd gear engine brake when shifting
between 3rd ←→ 2nd range while driving in the 3rd
range of 3rd gear [40 — 50 km/h (25 — 31 MPH)].
Check the 1st gear engine brake when shifting
between 2nd ←→ 1st range while driving in the 2nd
range of 2nd gear [20 — 30 km/h (12 — 19 MPH)].
6. LOCK-UP FUNCTION
Check that rpm does not change sharply when
the axle pedal is lightly depressed when driving on
flat roads at 60 km/h (37 MPH).
Check slip lock-up with following procedure.
Subaru Select Monitor is needed for checking (EC,
EK model).
Before start checking, check that the DTC is not ex-
isted using Subaru Select Monitor. When the DTC
is existed, perform the collective action with DTC
and check that the DTC is not existed again, and
then start the checking.
1) The check performed on flat and straight road or
free roller.
NOTE:
Slip lock-up does not operate when the vehicle is
lifted up, because of not occurring surface resis-
tance.
Also checking on the free roller, check with de-
pressing foot brake lightly to make the checking
easier, because the surface resistance will be defi-
cient2) Connect the Subaru Select Monitor.
3) Check ATF temperature using Subaru Select
Monitor.
NOTE:
ATF temperature is between 50 — 100°C (122
— 212°F).
When the temperature is low, warm-up the ATF
by running the vehicle or etc.
4) Start the engine, and make the lock-up duty be
able to read on data display of Subaru Select Mon-
itor.
5) 35 — 40 Drive the vehicle at a constant speed of
35 — 40 km/h (22 — 25 MPH).
6) Read the lock-up duty while vehicle is running.
Standard value:
25 — 45%
NOTE:
On the free roller, the value sometimes lowers.
Slip lock-up control is not operating when the
lock-up duty is less than 5%, or when the lock-up
duty goes down immediately after starts rise. On
these cases, improper ATF or deterioration of ATF
may be the cause. Check the amount of ATF or re-
place them, and then recheck it.
7. P RANGE OPERATION
Stop the vehicle on an uphill grade of 5% or more
and shift to “P” range. Check that the vehicle does
not move when the parking brake is released.
8. NOISE AND VIBRATION
Check for unusual sounds and vibration while driv-
ing and during shifting.
9. CLIMBING CONTROL FUNCTION
Check that the gear remains in 3rd when going
up a grade.
Check that the gear remains in 3rd when apply-
ing the brakes while going down a grade.
10.TRANSFER CLUTCH
Check tight corner braking when the vehicle started
with steering fully turned.
11.OIL LEAKS
After the driving test, inspect for oil leaks.

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