Mitsubishi 380. Manual - part 464

AK403289AC

23 ± 3 N·m

Apply automatic

transmission fluid

to all moving parts

before installation.

60. Rear cover
61. Thrust race #8
62. Seal ring
63. Input shaft rear bearing
64. Accumulator piston
65. Accumulator spring
66. Thrust bearing #7
67. Reverse and overdrive clutch

68. Thrust bearing #6
69. Overdrive clutch hub
70. Thrust bearing #5
71. Planetary reverse sun gear
72. Snap ring
73. Second brake piston
74. Return spring

TRANSMISSION

AUTOMATIC TRANSMISSION OVERHAUL

23B-16

AK403290AC

34 ± 2 N·m

Apply automatic

transmission fluid

to all moving parts

before installation.

75. Pressure plate
76. Second brake disc
77. Second brake plate
78. Planetary carrier assembly
79. Snap ring
80. Reaction plate
81. Snap ring
82. Low-reverse brake disc
83. Low-reverse brake plate
84. Pressure plate
85. Wave spring
86. Snap ring

87. One-way clutch inner race
88. O-ring
89. Spring retainer
90. Return spring
91. Low-reverse brake piston
92. Transfer drive gear
93. Snap ring
94. One-way clutch
95. Seal ring
96. Needle bearing
97. Outer race
98. Transmission case

TRANSMISSION

AUTOMATIC TRANSMISSION OVERHAUL

23B-17

TRANSMISSION

AUTOMATIC TRANSMISSION OVERHAUL

23B-18

DISASSEMBLY

CAUTION

• The automatic transmission includes many

high-precision parts. Handle these parts
extremely carefully not to scratch or damage
them during disassembly and reassembly.

• Work bench should be covered with a rubber

mat and keep it clean at all times.

• Do not wear any cloth gloves and do not use

any rags during disassembly. Use only nylon
cloth or paper towels if necessary.

• All removed parts must be washed clean.

Metal parts may be washed in an ordinary sol-
vent, but they should be dried completely
using compressed air.

• Clutch discs, plastic thrust plates and rubber

parts should be washed in automatic trans-
mission fluid (ATF) and keep them free of dirt
after washing.

• If the transmission has been found damaged

and repaired, also disassemble and clean the
ATF cooler system.

1. Remove the torque converter.

AK301061AB

Input shaft

2. Use a dial gauge to measure the input shaft end

play.

3. Remove control cable support bracket.

4. Remove the oil level gauge.

5. Remove the eye bolt, gaskets and the oil cooler

feed tube.

AK202095AB

Output shaft

speed sensor

Input shaft

speed sensor

6. Remove the input shaft speed sensor and output

shaft speed sensor.

AK202096

Manual control lever

Inhibitor switch

CAUTION

The manual control lever tightening nut must be
removed before removing the valve body. If the
valve body is removed before the nut, the inhibi-
tor switch will be damaged.
7. Loosen the manual control lever tightening nut,

and then remove the manual control lever and the
inhibitor switch.

AK300220

8. Remove the sealing cap and O-ring. <Type with

sealing cap>

AK301296

9. Remove the air breather by inserting a

screwdriver into the air breather and prying it up.

AK501914

TRANSMISSION

AUTOMATIC TRANSMISSION OVERHAUL

23B-19

10.Remove the valve body cover.

AK403609AD

Manual control

shaft detent

11.Remove the manual control shaft detent.

AK403610AD

Fluid temperature sensor

12.Disconnect the solenoid valve harness from the

valve body by disconnecting the fluid temperature
sensor and all the connectors.

AK403611AB

CAUTION

• Make sure that the manual control lever and

the inhibitor switch are removed. See step 7.

• Do not remove the bolts (four pieces) shown

in the illustration.

13.Remove the valve body mounting bolts (twenty

seven pieces).

AK403612AD

Steel ball

CAUTION

Do not lose the two steel balls.
14.Remove the valve body, gasket and the steel

balls (two pieces).

AK300227AC

Snap ring

Connector

15.Remove the snap ring from the connector. Push

the connector into the transmission case and
remove the solenoid valve harness.

AK300228

Strainer

Second brake

retainer oil seal

16.Remove the strainer and the second brake

retainer oil seal.

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