Mitsubishi Galant (2004+). Manual - part 704

 

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Mitsubishi Galant (2004+). Manual - part 704

 

 

ON-VEHICLE SERVICE

TSB Revision

AUTOMATIC TRANSAXLE

23A-367

ON-VEHICLE SERVICE

A/T CONTROL COMPONENT LAYOUT

M1231008600343

NAME

SYMBOL NAME

SYMBOL

A/T control relay

B

Powertrain control module (PCM)

E

A/T control solenoid valves

D

Stoplight switch

F

Data link connector

G

Shift switch <vehicles with sport mode>

H

Input shaft speed sensor

A

Transmission fluid temperature sensor

D

Output shaft speed sensor

A

Transmission range switch

C

AC305448

<2.4L ENGINE>

<3.8L ENGINE>

AD

A

C

D

E

B

A

C

D

E

B

AC306281

F

G

H

AB

(VEHICLES WITH SPORT MODE)

AC207308AI

INPUT SHAFT
SPEED SENSOR

OUTPUT SHAFT
SPEED SENSOR

BATTERY

A

AC306283

B

A/T 
CONTROL 
RELAY

RELAY BOX

AB

ON-VEHICLE SERVICE

TSB Revision

AUTOMATIC TRANSAXLE

23A-368

AC305881

AC305532

AC305679

C

<F4A4B>

<F4A5A>

AB

TRANSMISSION
RANGE SWITCH

TRANSMISSION
RANGE SWITCH

AC001879

OVERDRIVE
SOLENOID
VALVE

LOW-
REVERSE
SOLENOID
VALVE

TRANSMISSION 
FLUID TEMPERATURE
SENSOR

VALVE BODY
ASSEMBLY

UNDERDRIVE
SOLENOID

SECOND
SOLENOID
VALVE

TORQUE
CONVERTER
SOLENOID
VALVE

AG

D

AC305021

E

POWERTRAIN
CONTROL
MODULE (PCM)

AIR
CLEANER

AC

AC004673AE

STOPLIGHT SWITCH

BRAKE PEDAL

F

AC305028

DATA LINK
CONNECTOR

ACCELERATOR
PEDAL

AB

G

AC305582AB

H

SHIFT SWITCH 
(UP SIDE)

SHIFT SWITCH 
(DOWN SIDE)

<VEHICLES WITH
                     SPORT MODE>

ON-VEHICLE SERVICE

TSB Revision

AUTOMATIC TRANSAXLE

23A-369

ESSENTIAL SERVICE

TRANSMISSION FLUID CHECK

M1231021400050

1. Drive the vehicle until the transmission fluid temperature 

rises to the normal operating temperature [70 

− 80°C (158 − 

176

°F)].

NOTE: The transmission fluid temperature is measured with 
scan tool MB991958 (MUT-III sub assembly).
NOTE: If it takes some amount of time until the transmission 
fluid reaches its normal operating temperature [70 

 80

°

(158 

 176

°

F)], check the transmission fluid level by refer-

ring to the left diagram.

2. Park the vehicle on a level surface.
3. Move the selector lever through all positions to fill the torque 

converter and the hydraulic circuits with fluid, and then move 
the selector lever to the "N" position.

4. After wiping off any dirt around the dipstick, remove the 

dipstick and check the condition of the transmission fluid.
NOTE: If the transmission fluid smells as if it is burnt, it 
means that the transmission fluid has been contaminated by 
fine particles from the bushings and friction materials. Tran-
saxle overhaul and cooler line flushing may be necessary.

5. Check transmission fluid level is at the "HOT" mark on the 

dipstick. If the transmission fluid level is less than this, add 
DIAMOND ATF SP III until the level reaches the "HOT" 
mark.
NOTE: If the transmission fluid level is too low, the oil pump 
will draw in air along with the transmission fluid, which will 
cause to form bubbles. If the transmission fluid level is too 
high, rotating components inside the transaxle will churn the 
fluid and air into a foamy liquid. Both conditions (level too 
low or too high) will cause the hydraulic pressure to drop, 
which will result in late shifting and slipping of the clutches 
and brakes.
NOTE: In either case, air bubbles can interfere with normal 
valve, clutch, and brake operation. Also, foaming can cause 
transmission fluid to escape from the transaxle vent where it 
may be mistaken for a leak.

6. Securely insert the dipstick.

NOTE: The transmission fluid should always be replaced 
under the following conditions:

.

When troubleshooting the transaxle.

When overhauling the transaxle.

When the transmission fluid is noticeably dirty or burnt 
(driving under severe conditions).

AC005860

80

DIPSTICK

60

40

(176)

(140)

(104)

FLUID TEMPERATURE [˚C (˚F)]

– 30 (– 1.2)

– 20 (– 0.8)

– 10 (– 0.4)

0 (0)

10 (0.4)

FLUID LEVEL [mm (in)]

AB

AC106828AB

ON-VEHICLE SERVICE

TSB Revision

AUTOMATIC TRANSAXLE

23A-370

TRANSMISSION FLUID CHANGE

M1231021500057

If you have an transmission fluid changer, use this changer to 
replace the transmission fluid. If you do not have an transmis-
sion fluid changer, replace the transmission fluid by the follow-
ing procedure.
1. Disconnect the hose shown in the illustration which 

connects the transaxle and the oil cooler (inside the 
radiator). Place a container under the hose to collect the 
discharge.

CAUTION

The engine should be stopped within one minute after it is 
started. If all the transmission fluid has drained out before 
then, the engine should be stopped at that point.
2. Start the engine and let the transmission fluid drain out.

(Running conditions: "N" range with engine idling)

Approximately 3.5 dm

3

 (3.7 quarts) of transmission 

fluid should be removed.

3. Remove the drain plug from the bottom of the transaxle case 

to drain the transmission fluid.

Approximately 2.0 dm

3

 (2.1 quarts) of transmission 

fluid should be removed.

4. Install the drain plug with a new gasket, and tighten it to the 

specified torque.

Tightening torque: 32 

± 2 Nm (24 ± 1 ft-lb)

CAUTION

Stop pouring if the full volume of transmission fluid can 
not be added.
5. Add new transmission fluid (DIAMOND ATF SP III) through 

the oil filter tube.

Approximately 5.5 dm

3

 (5.8 quarts) of transmission 

fluid should be added.

6. Repeat the procedure in Step 2. (to pump out the rest of the 

contaminated transmission fluid)

AC306226

<F4A4B>

DIPSTICK

AB

AC210671

<F4A5A>

AC

DIPSTICK

TRANSMISSION
RANGE SWITCH

AC306236

AB

CENTERMEMBER

<F4A4B>

AC206984AC

CENTERMEMBER

<F4A5A>

 

 

 

 

 

 

 

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