Mitsubishi Galant (2004+). Manual - part 1648

VALVE BODY

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-81

AK301610

43

42 47

44

45
49

46

48

52

50

51

61

60

59

58

57

53

54

55

56

AB

APPLY AUTOMATIC
TRANSMISSION FLUID
TO ALL MOVING PARTS
BEFORE INSTALLATION.

DISASSEMBLY STEPS

42. ROLLER
43. OVERDRIVE PRESSURE 

CONTROL VALVE SLEEVE

44. OVERDRIVE PRESSURE 

CONTROL VALVE

45. OVERDRIVE PRESSURE 

CONTROL VALVE SPRING

46. ROLLER
47. LOW-REVERSE PRESSURE 

CONTROL VALVE SLEEVE

48. LOW-REVERSE PRESSURE 

CONTROL VALVE

49. LOW-REVERSE PRESSURE 

CONTROL VALVE SPRING

50. PLATE
51. PLUG

52. SWITCHING VALVE
53. ROLLER
54. UNDERDRIVE PRESSURE 

CONTROL VALVE SLEEVE

55. UNDERDRIVE PRESSURE 

CONTROL VALVE

56. UNDERDRIVE PRESSURE 

CONTROL VALVE SPRING

57. ROLLER
58. SECOND PRESSURE CONTROL 

VALVE SLEEVE

59. SECOND PRESSURE CONTROL 

VALVE

60. SECOND PRESSURE CONTROL 

VALVE SPRING

61. OUTSIDE VALVE BODY

DISASSEMBLY STEPS 

VALVE BODY

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-82

DISASSEMBLY SERVICE POINT

.

<<A>> SOLENOID VALVES REMOVAL
Mark the solenoid valves with white paint to make assembly 
easier.

ASSEMBLY SERVICE POINTS

.

>>A<< SPRING, STEEL BALL, DAMPING VALVE AND 
DAMPING VALVE SPRING INSTALLATION
1. Install the steel balls (two pieces) and springs (two pieces) 

to the inside valve body as shown.

2. Install the damping valve and spring to the inside valve body 

as shown.

.

>>B<< SPRING AND STEEL BALL INSTALLATION
Install the steel balls (three pieces) and springs (two pieces) to 
the inside valve body as shown.

.

>>C<< SOLENOID VALVES INSTALLATION
1. Apply ATF or petroleum jelly (Vaseline) to the O-ring and 

install carefully.

2. Install the solenoid valves by referring to the marks applied 

during disassembly.

AK300546AD

STEEL BALL 
AND SPRING

STEEL BALL 
AND SPRING

DAMPING VALVE 
AND SPRING

AK300547AD

STEEL BALL 
AND SPRING

STEEL BALL

NO.

NAME

1

Underdrive solenoid valve

2

Second solenoid valve

3

Torque converter clutch control solenoid valve

4

Overdrive solenoid valve

5

Low-reverse solenoid valve

AK300548AD

5

4

1

2

3

DRIVE SHAFT OIL SEAL

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-83

DRIVE SHAFT OIL SEAL

DISASSEMBLY AND ASSEMBLY

M1233004300153

Required Special Tool:

• MD998800: Oil Seal Installer

AK301611

1

2

4

3

AB

APPLY AUTOMATIC
TRANSMISSION FLUID
TO ALL MOVING PARTS
BEFORE INSTALLATION.

DISASSEMBLY STEPS

>>A<<

1.

OIL SEAL

2.

TORQUE CONVERTER HOUSING

>>B<<

3.

OIL SEAL

4.

TRANSAXLE CASE

DISASSEMBLY STEPS 

DRIVE SHAFT OIL SEAL

TSB Revision

AUTOMATIC TRANSAXLE OVERHAUL

23B-84

ASSEMBLY SERVICE POINTS

.

>>A<< OIL SEAL INSTALLATION
Use special tool MD998800 to tap the oil seal into the torque 
converter housing. 

.

>>B<< OIL SEAL INSTALLATION
Use special tool MD998800 to tap the oil seal in the transaxle 
case.

AK301290AC

MD998800

AK300549AD

MD998800