Mitsubishi Montero (2004+). Manual - part 422

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-15

AKX00297

15

16

17

18

23

24

25

20

21

22

26

27

28

19

33

34

35

30

31

32

36

37

38

29

39

43

40

41

42

18

18

18

33

30

31

32

36

APPLY AUTOMATIC
TRANSMISSION FLUID
TO ALL MOVING PARTS
BEFORE INSTALLATION.

AC

DISASSEMBLY STEPS

15. OIL SEAL
16. OIL SEAL
17. OIL STRAINER
18. SEAL RING
19. ACCUMULATOR PISTON (FOR 

OVERDRIVE CLUTCH)

20. ACCUMULATOR SPRING
21. ACCUMULATOR PISTON (FOR 

SECOND BRAKE)

22. INNER SPRING
23. OUTER SPRING
24. ACCUMULATOR PISTON (FOR 

LOW/REVERSE BRAKE)

25. INNER SPRING
26. OUTER SPRING
27. ACCUMULATOR PISTON (FOR 

UNDERDRIVE CLUTCH)

28. INNER SPRING

29. OUTER SPRING
30. SNAP RING
31. ACCUMULATOR COVER
32. O-RING
33. ACCUMULATOR SPRING
34. ACCUMULATOR PISTON (FOR 

REDUCTION BRAKE)

35. ACCUMULATOR PISTON (FOR 

DIRECT CLUTCH)

36. SEAL RING
37. SPRING PIN
38. PIN
39. MANUAL CONTROL SHAFT
40. O-RING
41. O-RING
42. DETENT LEVER
43. PARKING ROLLER ROD

DISASSEMBLY STEPS 
(Continued)

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-16

AKX00018

44

45

46

48

49

50

51

53

52

54

55

56

47

APPLY AUTOMATIC
TRANSMISSION FLUID
TO ALL MOVING PARTS
BEFORE INSTALLATION.

AE

23 ± 3 N·m
17 ± 2 ft-lb

48 ± 6 N·m
35 ± 4 ft-lb

DISASSEMBLY STEPS

44. CONVERTER HOUSING
45. OIL PUMP
46. OIL PUMP GASKET
47. THRUST RACE NO.1
48. THRUST BEARING NO.2
49. REVERSE AND OVERDRIVE 

CLUTCH

50. THRUST BEARING NO.3

51. OVERDRIVE CLUTCH HUB
52. THRUST BEARING NO.4
53. REVERSE SUN GEAR
54. SNAP RING
55. SECOND BRAKE
56. RETURN SPRING

DISASSEMBLY STEPS 
(Continued)

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-17

AKX00019

57

58

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60

61

62

63

64

65

66

67

68

APPLY AUTOMATIC

TRANSMISSION FLUID

TO ALL MOVING PARTS

BEFORE INSTALLATION.

AE

DISASSEMBLY STEPS

57. PRESSURE PLATE
58. BRAKE PLATE
59. BRAKE DISC
60. LOW/REVERSE ANNULUS GEAR
61. THRUST BEARING NO.7
62. SNAP RING

63. REACTION PLATE
64. SNAP RING
65. BRAKE PLATE
66. BRAKE DISC
67. PRESSURE PLATE
68. WAVE SPRING

DISASSEMBLY STEPS 
(Continued)

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-18

Required Special Tools:

• MB991603: Bearing Installer Stopper

• MB991632: Clearance Dummy Plate

• MB991633: Reduction Brake Wrench Set

• MB991693: Reduction Brake Stopper

• MD998304: Oil Seal Installer

• MD998316: Dial Gauge Support

• MD998333: Oil Pump Remover

• MD998412: Guide

• MD998727: Oil Pan Remover

• MD998913: Dial Gauge Extension

AKX00298

73

74

75

70

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77

78

83

84

85

80

81

82

86

87

88

69

79

93

94

90

91

92

89

98 ± 15 N·m
71 ± 11 ft-lb

4.9 N·m
43 in-lb

18 ± 3 N·m
13 ± 2 ft-lb

APPLY AUTOMATIC
TRANSMISSION FLUID
TO ALL MOVING PARTS
BEFORE INSTALLATION.

AC

23 ± 3 N·m
17 ± 2 ft-lb

DISASSEMBLY STEPS

69. SNAP RING
70. CENTER SUPPORT
71. THRUST RACE NO.8
72. THRUST BEARING NO.9
73. DIRECT ANNULUS GEAR
74. THRUST BEARING NO.12
75. DIRECT PLANETARY CARRIER
76. SEAL RING
77. SEAL RING
78. SNAP RING
79. REDUCTION BRAKE COVER
80. O-RING
81. SNAP RING
82. REDUCTION BRAKE PISTON 

NUT

83. REDUCTION BRAKE PISTON
84. SEAL RING
85. REDUCTION BRAKE PISTON 

ADJUST ROD

86. REDUCTION BRAKE SPRING
87. DIRECT CLUTCH
88. THRUST BEARING NO.13
89. REDUCTION BRAKE BAND
90. ANCHOR PLUG
91. O-RING
92. OUTPUT SHAFT SUPPORT
93. OUTPUT SHAFT SUPPORT 

GASKET

94. TRANSMISSION CASE

DISASSEMBLY STEPS 
(Continued)