Mitsubishi Montero (2002-2004). Manual — part 524
TRANSMISSION
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AUTOMATIC TRANSMISSION OVERHAUL
23B-27
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
71
72
76
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
TRANSMISSION
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AUTOMATIC TRANSMISSION OVERHAUL
23B-28
DISASSEMBLY
CAUTION
• Because the automatic transmission is manufactured
from high-precision parts, sufficient care must be taken
not to scratch or damage these parts during disassem-
bly and reassembly.
• During the work, always use bare hands or vinyl
gloves. Do not use cotton gloves. Use nylon cloth or
paper towels when necessary. Do not use shop towels.
• Parts which have been disassembled should be
cleaned. Metal parts can be cleaned with normal deter-
gent, but they should be dried completely using com-
pressed air.
• Clutch discs, plastic thrust race and rubber parts
should be cleaned with ATF automatic transmission
fluid so that they do not become dirty.
• If the transmission body has been damaged, disassem-
ble and clean the cooler system also.
.
1. Remove the input shaft speed sensor.
2. Remove the output shaft speed sensor.
3. Remove the manual control lever, and then remove the
park/neutral position switch.
AKX00021
AKX00022
AKX00023
MANUAL CONTROL
LEVER
PARK/NEUTRAL
POSITION SWITCH
AB
TRANSMISSION
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AUTOMATIC TRANSMISSION OVERHAUL
23B-29
4. Remove the snap ring, and remove the parking gear using a
puller [corresponding load approximately 9,800 N (2,200
pounds)].
NOTE: Some parking gear may be removed without using a
puller.
CAUTION
Carefully hammer the special tool so that the oil pan
mounting surface is not damaged.
5. Remove the twenty oil pan mounting bolts and then using
the special tool MD998727 to remove the oil pan.
6. Remove the oil filter and O-ring.
7. Remove the detent spring.
8. Disconnect the valve body harness connectors.
AKX00024
SNAP RING
PARKING GEAR
AB
AKX00025
MD998727
AB
AKX00026
OIL FILTER
O-RING
AB
AKX00027
AKX00028
TRANSMISSION
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AUTOMATIC TRANSMISSION OVERHAUL
23B-30
9. Remove the twenty valve body mounting bolts and then
remove the valve body, O-ring and oil temperature sensor.
NOTE: The twenty valve body mounting bolts are plated
bolts.
NOTE: The O-ring is mounted on the transmission case side
as shown in the illustration. However there may be cases
when it will come off with the valve body.
10.Remove the snap ring and disconnect the solenoid valve
harness.
11.Remove the oil strainer and two oil seals.
AKX00029
OIL TEMPERATURE
SENSOR
AB
AKX00030
O-RING
<V4A51>
AB
AKX00299
O-RING
<V5A51>
AB
AKX00031
SNAP RING
AB
AKX00032
OIL SEALS
OIL STRAINER
AB
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