Mitsubishi Grandis. Manual - part 967

 

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Mitsubishi Grandis. Manual - part 967

 

 

TRANSMISSION

AUTOMATIC TRANSMISSION OVERHAUL

23B-24

48.Remove the planetary carrier.

49.Remove the snap ring.

50.Remove the reaction plate and brake discs.

51.Remove the snap ring.

52.Remove the brake plates (five pieces), brake 

discs (six* pieces) and pressure plate.
NOTE: *Includes the brake discs removed in step 
50.

53.Remove the wave spring.

54.Use the special tools to press down the one-way 

clutch inner race, then remove the snap ring.

• Spring compressor (MD998903)

• Spring compressor retainer (MD998924)

55.Remove the one-way clutch inner race, O-ring, 

spring retainer, return spring and low-reverse 
brake piston.

AK300472

AK300473

AK300474

AK300475

AK300476

AK300477

AK300478

MD998903

MD998924

AC

TRANSMISSION

AUTOMATIC TRANSMISSION OVERHAUL

23B-25

56.Remove the four or three of the transfer drive 

gear mounting bolts. Then turn the gear 1/8 of a 
turn (45

°) and remove the remaining three or four 

bolts.

57.Remove the transfer drive gear.

58.Remove the cap.

59.Unbend the locking tab of the output shaft lock 

nut.

CAUTION

The lock nut thread is left-handed.
60.Use the special tools to remove the output shaft 

lock nut.

• Torque wrench socket (MB990607)

• Special socket (MB991625)

61.Remove the bearing retainer mounting bolts.

62.Remove the output shaft, taper roller bearing and 

collar by striking the rear end of the output shaft.

AK300479

AK300480

AK300482

AK300483

AK300484AC

MB990607

MB991625

AK300485

AK300486

AK300487

TRANSMISSION

AUTOMATIC TRANSMISSION OVERHAUL

23B-26

63.Remove the spacer and outer race.
64.Remove the differential bearing outer race from 

the transmission case.

REASSEMBLY

CAUTION

• Never reuse any gasket, O-ring, and oil seal. 

Always replace them with new ones.

• Never use any product other than blue 

petrolatum jelly or white Vaseline to lubricate 
or hold parts during assembly.

• Apply ATF to friction elements, rotating parts, 

and sliding parts before installation.Soak new 
clutch discs or brake discs in ATF for at least 
two hours before installing them.

• Never apply sealant or adhesive to gaskets.
• When a bushing requires replacement, 

replace the assembly of which the bushing 
forms a part.

• Never use any cloth gloves or any rags during 

reassembly. Use only nylon cloth or paper 
towels if necessary.

• Change also the ATF in the cooler circuit.

1. Use the special tool Guide (MD998412) to install 

the transfer drive gear. 

2. Tighten the transfer drive gear mounting bolts to 

the specified torque of 34 

± 2 N⋅m.

3. Install the low-reverse brake piston, return spring 

and spring retainer.

4. Fit a new O-ring in the groove in the one-way 

clutch inner race.

5. Locate the identification notches on the one-way 

clutch inner race, then install the one-way clutch 
inner race in the transfer drive gear bearing with 
the notches aligned with the A-A line as shown in 
the drawing.

6. Use the special tools to hold down the one-way 

clutch inner race, then fit the snap ring in position.

• Spring compressor (MD998903)

• Spring compressor retainer (MD998924)

AK301090AB

MD998412

AK300489

AK301091

Transmission case

Identification
notches

AB

A

A

AK300490

MD998903

MD998924

AE

TRANSMISSION

AUTOMATIC TRANSMISSION OVERHAUL

23B-27

7. Install the wave spring on the low-reverse brake 

piston.

8. Install the brake discs (six pieces), brake plates 

(five pieces) and snap ring for the low-reverse 
brake as shown in the drawing.
NOTE: Do not install the pressure plate yet.

9. Install the special tool Clearance dummy plate 

(MB991631) on the stack of the brake discs.

10.Install the reaction plate and the snap ring that 

was removed during disassembly.

11.Move up the special tool to check whether the end 

play of the reaction plate is within the standard 
value range. If necessary, remove the snap ring 
that has been installed in step 10 and install 
another appropriate snap ring.

Standard value: 0 

 0.16 mm

12.Install the brake discs (three pieces) and brake 

plates (two pieces) for the second brake as shown 
in the drawing.
NOTE: Do not install the pressure plate yet.

13.Install the special tool Clearance dummy plate 

(MB991631).

14.Install the return spring, second brake piston, and 

snap ring.

15.Move the special tool Clearance dummy plate 

(MB991631) to measure the amount of 
movement. Select a pressure plate whose 
thickness corresponds to the measured amount of 
movement from the following table.

Available pressure plates

Standard value (reference): 0.79 

 1.25 mm

16.Turn the transmission upside down.

AK300491

AK301749

Snap ring

Reaction plate

MB991631

AE

AK202035AB

MB991631

Snap ring

Second brake piston

Return 
spring

Amount of 
movement mm

Thickness mm Identification 

mark

0.6 

− 0.8

1.6

L

0.8 

− 1.0 

1.8

1

1.0 

− 1.2 

2.0

0

1.2 

− 1.4 

2.2

2

1.4 

− 1.6 

2.4

4

1.6 

− 1.8 

2.6

6

AK201986

AB

MB991631

AK202036

Amount of 
movement

AB

 

 

 

 

 

 

 

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