Mitsubishi Galant 9G. Manual - part 618

GENERAL DESCRIPTION

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-4

HYDRAULIC CIRCUIT

AK202328

1

2

3

4

5

6

7

8

9

10

14

11

12

13

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

AC

1.

REVERSE CLUTCH

2.

LOW-REVERSE BRAKE

3.

SECOND BRAKE

4.

UNDERDRIVE CLUTCH

5.

OVERDRIVE CLUTCH

6.

LOW-REVERSE ACCUMULATOR

7.

SECOND ACCUMULATOR

8.

UNDERDRIVE ACCUMULATOR

9.

OVERDRIVE ACCUMULATOR

10. TORQUE CONVERTER CLUTCH
11. FAIL-SAFE VALVE A
12. FAIL-SAFE VALVE B
13. TORQUE CONVERTER CLUTCH CONTROL 

VALVE

14. COOLER
15. SWITCHING VALVE
16. LOW-REVERSE PRESSURE CONTROL VALVE
17. SECOND PRESSURE CONTROL VALVE

18. UNDERDRIVE PRESSURE CONTROL VALVE
19. OVERDRIVE PRESSURE CONTROL VALVE
20. TORQUE CONVERTER CLUTCH CONTROL 

SOLENOID VALVE

21. LOW-REVERSE SOLENOID VALVE
22. SECOND SOLENOID VALVE
23. UNDERDRIVE SOLENOID VALVE
24. OVERDRIVE SOLENOID VALVE
25. TORQUE CONVERTER PRESSURE CONTROL 

VALVE

26. REGULATOR VALVE
27. MANUAL VALVE
28. OIL FILTER
29. OIL PAN
30. OIL PUMP
31. RELIEF VALVE
32. OIL STRAINER

SPECIAL TOOLS

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-5

SPECIAL TOOLS

M1233000600334

TOOL

TOOL NUMBER AND 
NAME

SUPERSESSION

APPLICATION

MD998333
Oil pump remover

MD998333-01

Removal of oil pump

MD998903
Spring compressor

MD998903

Removal and installation 
of one-way clutch inner 
race snap ring <F4A4B>

MD998338
Spring compressor

MD998338

Removal and installation 
of one-way clutch inner 
race snap ring <F4A5A>

MD998924
Spring compressor 
retainer

MD998924-01

Use with spring 
compressor

MB991625
Special socket (41)

MB991625-01 or 
General service tool

Removal and installation 
of output shaft jam nut

MB990607
Torque wrench socket

MB990607-01

Removal and installation 
of output shaft jam nut

MD998412
Guide

MD998412

Installation of transfer 
drive gear and oil pump

SPECIAL TOOLS

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-6

MB991631
Clearance dummy plate

MB991631-01

Measurement of reaction 
plate low-reverse brake 
and second brake end 
play <F4A4B>

MB991632
Clearance dummy plate

MB991632-01

Measurement of reaction 
plate low-reverse brake 
and second brake end 
play <F4A5A>

MD998913
Dial gauge extension

MD998913-01

Measurement of 
low-reverse brake end 
play

MB990938
Handle

MB990938-01

• Installation of input 

shaft rear bearing

• Use with installer 

adapter

MB990930
Installer adapter

MB990930-01 or 
General service tool

Installation of output shaft 
taper roller bearing outer 
race

MD998350
Bearing installer

MD998350-01

Installation of output shaft 
collar and taper roller 
bearing <F4A4B>

MD998323
Bearing installer

−

Installation of output shaft 
collar and taper roller 
bearing <F4A5A>

MB990931
Installer adapter

MB990931-01

Installation of cap

TOOL

TOOL NUMBER AND 
NAME

SUPERSESSION

APPLICATION

SPECIAL TOOLS

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-7

MB990935
Installer adapter

MB990935-01 or 
General service tool

Installation of differential 
taper roller bearing outer 
race <F4A4B>

MB990936
Installer adapter

MB990936-01 or 
General service tool

• Installation of 

differential taper roller 
bearing outer race 
<F4A5A>

• Installation of output 

shaft taper roller 
bearing outer race 
<F4A4B>

MD998334
Oil seal installer

MD998334-01

Installation of oil pump oil 
seal

MD998907
Spring compressor

MD998907-01

Removal and installation 
of underdrive clutch snap 
ring

MB991628
Spring compressor

MB991628-01

Measurement of 
underdrive clutch and 
overdrive clutch end play 
<F4A4B>

MB991629
Spring compressor

−

Measurement of 
underdrive clutch and 
overdrive clutch end play 
<F4A5A>

MD999590
Spring compressor

MIT305039

Removal and installation 
of overdrive clutch snap 
ring

TOOL

TOOL NUMBER AND 
NAME

SUPERSESSION

APPLICATION