Mitsubishi Montero (2004+). Manual - part 429

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-43

CAUTION

Make sure thrust bearing number 2 is mounted in the cor-
rect direction.

39.Install the reverse and overdrive clutch.
40.Apply Vaseline or petroleum jelly on the thrust bearing 

number 2, and then install on the reverse and overdrive 
clutch.

41.Apply Vaseline or petroleum jelly on the thrust race number 

1 being used, and then install on the oil pump.

CAUTION

Never reuse a gasket.
42.Install special tool MD998412 at the position shown in the 

illustration, and using this as a guide, install the oil pump 
and gasket.

43.Tighten the ten oil pump mounting bolts to the specified 

torque.

Specified torque: 23 

± 3 N⋅m (17 ± 2 ft-lb)

AKX00103

THRUST BEARING NO.2

AB

AKX00104

REVERSE AND OVERDRIVE CLUTCH

THRUST BEARING NO.2

AB

AKX00105

THRUST
RACE NO.1

AB

AKX00106

MD998412

AB

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-44

44.Using special tool MD998316, set a dial gauge as shown in 

the illustration. Measure the end play of the input shaft, and 
select the thrust race installed in step 28 so that the end play 
is at the standard value. Then, reassemble.

Standard value: 0.25 

− 0.81 mm (0.0098 − 0.0319 inch)

45.Measure the end play again, and confirm that it is within the 

standard value.

CAUTION

Evenly squeeze out the sealant so that it is not insufficient 
or excessive.
46.Apply the sealant MITSUBISHI genuine sealant part number 

MR166584 or equivalent on the converter housing. 

47.Install the converter housing.
48.Tighten the eight converter housing mounting bolts to the 

specified torque.

Specified torque: 48 

± 6 N⋅m (35 ± 4 ft-lb)

49.Install the parking roller rod to the detent lever.

50.Install two new O-rings to the manual control shaft, and 

assemble onto the transmission case together with the 
detent lever and parking roller rod.

AKX00107

MD998316

AB

AK201460AB

2 mm (0.08 in) DIAMETER

AKX00036

AKX00108

DETENT
LEVER

PARKING
ROLLER ROD

AB

AKX00109

O-RINGS

AB

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-45

51.Install the pin.

52.Hammer in so that the slit section of the spring valve is 

perpendicular to the axial direction of the manual control 
shaft.

53.Install a new seal ring onto each accumulator piston.
54.Install each accumulator piston, spring and snap ring , 

accumulator cover, and O-ring .
NOTE: Identification colors are applied on the spring as 
shown below. Assemble following this table.
NOTE: Install the accumulator pistons to the original posi-
tions following the identification tags attached when 
removed.

NO.

NAME

IDENTIFICATION PAINT 
APPLICATION POSITION

1

For overdrive 
clutch

None

2

For second 
brake

Inner

Applied on all surfaces 
including both ends

Outer

Applied on half of surface 
including both ends

3

For low/reverse 
brake

Inner

Applied on half of surface 
including both ends

Outer

Applied on entire surface of 
one side

4

For underdrive 
clutch

Inner

Applied on half of surface 
including both ends

Outer

Applied on half of surface 
including both ends

5

For reduction 
brake

None

6

For direct clutch None

AKX00110

PIN

AB

AKX00111

SPRING PIN

MANUAL
CONTROL
SHAFT

AB

AKX00112

OUTER SPRINGS

INNER SPRINGS

4

3

2

1

AB

AKX00033

1

2

3

4

AB

AKX00300

6

5

AC

TRANSMISSION

TSB Revision

AUTOMATIC TRANSMISSION OVERHAUL

23B-46

CAUTION

Pay close attention to the installation direction of the oil 
seal.
55.Install the oil strainer and two new oil seals. Install the oil 

seals so that the notched section is oriented as shown in the 
illustration.

56.Install the solenoid valve harness, and then secure the snap 

ring into connector groove.
NOTE: Install the harness so that it is oriented as shown in 
the illustration.

57.Install the new O-ring into the transmission case at the 

position shown in the illustration.

58.Install the valve body while inserting the manual valve pin 

into the detent lever groove.

AKX00032

OIL SEALS

OIL STRAINER

AB

AKX00031

SNAP RING

AB

AKX00299

O-RING

AC

AKX00113

DETENT LEVER

MANUAL
VALVE PIN

AB