Mitsubishi Galant 9G. Manual - part 625

TRANSAXLE

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AUTOMATIC TRANSAXLE OVERHAUL

23B-32

5. Check the placement of the identification notches in the 

one-way clutch inner race. Install the one-way clutch inner 
race to the transfer drive gear bearing so that the notches 
fall along the A 

− A line.

6. Put the snap ring on the inner race.
7. Set special tools MD998903 <F4A4B> or MD998338 

<F4A5A> and MD998924 as shown, and then compress the 
one-way clutch inner race and install the snap ring.

AK301091

TRANSMISSION
CASE

IDENTIFICATION
NOTCHES

AC

A

A

AK300478AE

MD998924

MD998903

<F4A4B>

AK202273AC

MD998924

MD998338

<F4A5A>

TRANSAXLE

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AUTOMATIC TRANSAXLE OVERHAUL

23B-33

8. Install the wave spring onto the low-reverse brake piston.

9. Install the brake discs (six pieces), brake plates (five pieces) 

and snap ring as shown in the figure.
NOTE: Do not install the pressure plate at this time.

10.Install special tool MB991631 <F4A4B> or MB991632 

<F4A5A> on the brake disc.

11.Install the reaction plate and the used snap ring.
12.Move special tool MB991631 <F4A4B> or MB991632 

<F4A5A> to measure the end play of reaction plate. Then 
replace the snap ring installed in step 11 to adjust the end 
play to standard value.

Standard value: 0 

− 0.16 mm (0 − 0.0063 inch)

AK300491

AK301749

SNAP RING

REACTION PLATE

MB991631

AD

<F4A4B>

AK303645

SNAP RING

REACTION PLATE

MB991631

<F4A5A>

AB

TRANSAXLE

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AUTOMATIC TRANSAXLE OVERHAUL

23B-34

13.Install the brake discs and brake plates as shown in the 

figure.

Number of second brake discs and plates

NOTE: Do not install the pressure plate at this time.

14.Place special tool MB991631 <F4A4B> or MB991632 

<F4A5A> on top of the brake disc in place of the pressure 
plate.

15.Install the return spring, second brake piston and snap ring.

A/T MODEL

SECOND 
BRAKE DISC

SECOND 
BRAKE PLATE

F4A4B

3

2

F4A5A

4

3

AK301750

<F4A4B>

SECOND BRAKE PISTON

SNAP RING

MB991631

RETURN
SPRING

AE

AK303646

<F4A5A>

SECOND BRAKE
PISTON

MB991632

SNAP RING

RETURN 
SPRING

AB

TRANSAXLE

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AUTOMATIC TRANSAXLE OVERHAUL

23B-35

16.Move special tool MB991631 <F4A4B> or MB991632 

<F4A5A> and measure its movement.

Standard value of end play (Reference):

0.79 

− 1.25 mm (0.0311 − 0.0492 inch) <F4A4B>

1.09 

− 1.55 mm (0.0429 − 0.0610 inch) <F4A5A>

17.Select a pressure plate whose thickness corresponds to the 

measured amount of movement from the following table.

PRESSURE PLATE FOR SECOND BRAKE <F4A4B>

PRESSURE PLATE FOR SECOND BRAKE <F4A5A>

MOVEMENT
AMOUNT
mm (in)

THICKNESS
mm (in)

ID
SYMBOL

0.6 

− 0.8

(0.024 

− 0.031)

1.6 (0.063)

L

0.8 

− 1.0

(0.031 

− 0.039)

1.8 (0.071)

1

1.0 

− 1.2

(0.039 

− 0.047)

2.0 (0.079)

0

1.2 

− 1.4

(0.047 

− 0.055)

2.2 (0.087)

2

1.4 

− 1.6

(0.055 

− 0.063)

2.4 (0.094)

4

1.6 

− 1.8

 (0.063 

− 0.071)

2.6 (0.102)

6

MOVEMENT
AMOUNT
mm (in)

THICKNESS
mm (in)

ID
SYMBOL

1.1 

− 1.3 (0.043 

− 0.051)

1.8 (0.071)

E

1.3 

− 1.5 (0.051 

− 0.059)

2.0 (0.079)

D

1.5 

− 1.7 (0.059 

− 0.067)

2.2 (0.087)

C

1.7 

− 1.9 (0.067 

− 0.075)

2.4 (0.094)

B

1.9 

− 2.1 (0.075 

− 0.083)

2.6 (0.102)

A

2.1 

− 2.3 (0.083 

− 0.091)

2.8 (0.110)

0

0

1.9

1.8

1.7

1.6

1.5

1.4

1.3

1.2

1.1

1.0

.9

.8

.7

.6

.5

.4

.3

.2

.1

2.0

AK202295AG

MB991631 <F4A4B> OR MB991632 <F4A5A>

AK301751

AK301751

MOVEMENT 
AMOUNT

AE

<F4A4B>

AK303647AB

<F4A5A>

MOVEMENT 
AMOUNT