DISASSEMBLY AND REASSEMBLY







Disassembly steps


1.
Breather cap


2.
Air breather pipe


3.
Vacuum hose


4.
Vacuum hose

>>d<<
5.
4LLC operation detection switch


6.
Gasket


7.
Steel ball

>>d<<
8.
2WD detection switch


9.
Gasket


10.
Steel ball

>>d<<
11.
Centre differential lock detection switch


12.
Gasket


13.
Steel ball

>>d<<
14.
4H detection switch


15.
Gasket


16.
Steel ball

>>d<<
17.
2WD/4WD detection switch


18.
Gasket


19.
Steel ball


20.
Wiring harness bracket


21.
Wiring harness bracket

>>c<<
22.
Control housing


23.
Spring pin


24.
Change shifter

>>b<<
25.
Transfer


26.
Connector bracket




Disassembly steps

>>a<<
27.
Back-up lamp switch <V5M31-E-MEU> or 5th and reverse rail switch <V5M31-E-XC5U, XN5U, XB5Q, XB5U>

>>a<<
28.
1st and 2nd rail switch <V5M31-E-XC5U, XN5U, XB5Q, XB5U>


29.
Gasket


30.
Steel ball


31.
Seal plug <V5M31-E-XC5U, XN5U, XB5Q, XB5U>

>>Z<<
32.
Resistance spring plug


33.
Resistance spring


34.
Steel ball

>>Y<<
35.
Upper cover


36.
Seal bolt

>>X<<
37.
Neutral return spring

>>X<<
38.
Neutral return plunger A

>>X<<
39.
Neutral return plunger B

>>W<<
40.
Nut

>>W<<
41.
Special bolt


42.
Stopper bracket
<<A>>

43.
Spring pin


44.
Control shaft


45.
Control finger

>>V<<
46.
Transfer case adapter


47.
Air breather bracket


48.
Connector bracket <V5M31-E-XC5U, XN5U, XB5Q, XB5U>


49.
Connector bracket <V5M31-E-MEU>


50.
Connector bracket <V5M31-E-MEU>




Disassembly steps
<<B>>
>>U<<
51.
Lock nut
<<B>>
>>U<<
52.
Lock nut
<<C>>
>>T<<
53.
Ball bearing

>>S<<
54.
Counter reverse gear


55.
Thrust washer

>>R<<
56.
Reverse idler gear


57.
Needle bearing
<<D>>
>>Q<<
58.
Ball bearing

>>P<<
59.
Reverse gear


60.
Needle bearing


61.
5th speed shift lever

>>O<<
62.
Spring pin


63.
Poppet plug

>>N<<
64.
Poppet spring


65.
Steel ball


66.
Reverse shift fork

>>M<<
67.
Reverse synchronizer sleeve


68.
Reverse shift rail


69.
Snap ring


70.
5th speed shift fork

>>L<<
71.
5th speed synchronizer sleeve


72.
5th speed shift rail
<<E>>
>>K<<
73.
Reverse gear bearing sleeve


74.
Synchronizer spring


75.
Synchronizer ring

>>J<<
76.
Reverse brake gear

>>I<<
77.
5th speed synchronizer hub


78.
Synchronizer ring


79.
Synchronizer spring
<<F>>
>>H<<
80.
Counter 5th speed gear
<<F>>

81.
Reverse idler gear shaft


82.
Needle bearing




Disassembly steps

>>G<<
83.
Clutch housing


84.
Inspection hole cover

>>F<<
85.
Oil seal

>>E<<
86.
Spacer
<<G>>

87.
Snap ring

>>D<<
88.
Transmission case




Disassembly steps

>>C<<
89.
Spring pin

>>C<<
90.
Spring pin


91.
3rd-4th speed shift rail


92.
3rd-4th speed shift fork


93.
1st-2nd speed shift rail


94.
1st-2nd speed shift fork


95.
Interlock plunger


96.
Interlock plunger

>>B<<
97.
Seal bolt


98.
Rear bearing retainer


99.
Snap ring


100.
Snap ring
<<H>>
>>A<<
101.
Intermediate plate


102.
Main drive pinion


103.
Needle bearing


104.
Synchronizer ring


105.
Synchronizer spring


106.
Main shaft


107.
Counter shaft cluster gear

DISASSEMBLY SERVICE POINTS



<<A>> SPRING PIN REMOVAL



With the control finger at the neutral position, remove the spring pin.

<<B>> LOCK NUT REMOVAL



1.Slide the shift forks as illustrated to put the two gears into engagement.

2.Using the special tool, Lock nut wrench (46) (MD998835), remove the main shaft lock nut.

3.Using the special tool, Lock nut wrench (41) (MD998809), remove the counter shaft cluster gear lock nut.

<<C>> BALL BEARING REMOVAL



Using the special tool, Bearing and gear puller (MD998348), remove the ball bearing from counter shaft cluster gear.

<<D>> BALL BEARING REMOVAL



Using the special tool, Bearing and gear puller (MD998348), remove the ball bearing from main shaft.

<<E>> REVERSE GEAR BEARING SLEEVE / REVERSE BRAKE GEAR REMOVAL



1.Attach the special tool, Bearing puller (MD998020), the reverse brake gear.
2.Screw the centre bolt of special tool, and pull out the reverse gear bearing sleeve, reverse brake gear, synchronizer spring and ring together.

<<F>> COUNTER 5TH SPEED GEAR / REVERSE IDLER GEAR SHAFT REMOVAL



Lift the counter 5th speed gear to the slit in the reverse idler gear shaft and remove them altogether.

<<G>> SNAP RING REMOVAL



While pushing the main shaft and counter shaft cluster gear against the intermediate plate, remove the snap rings from the rear bearing retainer mounting surface.

<<H>> INTERMEDIATE PLATE REMOVAL


caution Removing the intermediate plate will set free the main shaft, counter shaft cluster gear and main drive pinion at the same time.

Lightly tapping the intermediate plate with a plastic hammer or similar tool, remove the intermediate plate from the main drive pinion, main shaft, and counter shaft cluster gear.

REASSEMBLY SERVICE POINTS



>>A<< INTERMEDIATE PLATE INSTALLATION



1.Install the main shaft and counter shaft cluster gear to the transmission case.

2.Using a plastic hammer, install the intermediate plate.
note Push the intermediate plate until the snap ring grooves for the main shaft and counter shaft cluster gear bearings come out the rear bearing retainer mounting surface.
3.Install the snap ring.

>>B<< SEAL BOLT INSTALLATION



Apply the specified sealant to the threads.
Specified sealant: 3M™ STUD Locking No. 4170 or equivalent
note The new bolt does not require sealant application as it is precoated with sealant.

>>C<< SPRING PIN INSTALLATION




Press in the spring pin so that its slit is parallel with the shift rail.

>>D<< TRANSMISSION CASE INSTALLATION



1.Completely degrease the FIPG-applied surface so that water and oil including the old sealant cannot adhere to the surface coated with the sealant.
Never touch the degreased surface by hand.
2.Apply the specified sealant to the transmission case before installation.
Specified sealant: Mitsubishi Part No. MD997740 or equivalent

>>E<< SPACER INSTALLATION


Install the selected spacer into ball bearing. (Refer to ADJUSTMENT OF TRANSMISSION-SPACER SELECTION FOR ADJUSTMENT OF BALL BEARING AXIAL PLAY .)

>>F<< OIL SEAL INSTALLATION



1.Using special tool, Oil seal installer (MD998304), install the oil seal into the clutch housing.
2.Apply specified grease to the lip of the oil seal.
Specified lubricant: Mitsubishi Part No. 0101011 or equivalent

>>G<< CLUTCH HOUSING INSTALLATION


caution Be careful not to damage the oil seal by the spline of the main drive pinion.

1.Completely degrease the FIPG-applied surface so that water and oil including the old sealant cannot adhere to the surface coated with the sealant.
Never touch the degreased surface by hand.
2.Apply the specified sealant to the transmission case before installation.
Specified sealant: Mitsubishi Part No. MD997740 or equivalent

>>H<< COUNTER 5TH SPEED GEAR INSTALLATION



Before reassembly, make sure that the counter 5th speed gear faces the correct direction.

>>I<< 5TH SPEED SYNCHRONIZER HUB INSTALLATION



Before reassembly, make sure that the 5th speed synchronizer hub faces the correct direction.

>>J<< REVERSE BRAKE GEAR INSTALLATION



Using special tools to install the reverse brake gear.

  • Installer cap (MD998812)
  • Installer-100 (MD998813)
  • Installer adapter (42) (MD998820)

>>K<< REVERSE GEAR BEARING SLEEVE INSTALLATION



Using special tools to install the reverse gear bearing sleeve.

  • Installer cap (MD998812)
  • Installer-100 (MD998813)
  • Installer adapter (40) (MD998819)

>>L<< 5TH SPEED SYNCHRONIZER SLEEVE INSTALLATION



Before reassembly, make sure that the 5th speed synchronizer sleeve faces the correct direction.

>>M<< REVERSE SYNCHRONIZER SLEEVE INSTALLATION



Before reassembly, make sure that the reverse synchronizer sleeve faces the correct direction.

>>N<< POPPET SPRING INSTALLATION



Install the poppet spring with the small end directed to the steel ball.

>>O<< SPRING PIN INSTALLATION



Press in the spring pin so that its slit is parallel with the shift rail.

>>P<< REVERSE GEAR INSTALLATION



Install the reverse gear while aligning the deep grooves in the synchronizer hub section with the projection on the sleeve inner periphery.

>>Q<< BALL BEARING INSTALLATION



Using special tools to install the ball bearing to the main shaft.

  • Installer cap (MD998812)
  • Installer-100 (MD998813)
  • Installer adapter (40) (MD998819)

>>R<< REVERSE IDLER GEAR INSTALLATION



Before reassembly, make sure that the reverse idler gear faces the correct direction.

>>S<< COUNTER REVERSE GEAR INSTALLATION



Before reassembly, make sure that the counter reverse gear faces the correct direction.

>>T<< BALL BEARING INSTALLATION



Using special tools to install the ball bearing to the counter shaft cluster gear.

  • Installer cap (MD998812)
  • Installer adapter (34) (MD998817)

>>U<< LOCK NUT INSTALLATION



1.Slide the synchronizer sleeves as illustrated to put the two gears into engagement.

2.Using the special tool, Lock nut wrench (46) (MD998835), tighten the main shaft lock nut to the specified torque of 255 ± 10 N·m.

3.Using the special tool, Lock nut wrench (41) (MD998809), tighten the counter shaft cluster gear lock nut to the specified torque of 255 ± 10 N·m.

4.Stake the two lock nuts firmly using a punch or like.

>>V<< TRANSFER CASE ADAPTER INSTALLATION



1.Completely degrease the FIPG-applied surface so that water and oil including the old sealant cannot adhere to the surface coated with the sealant.
Never touch the degreased surface by hand.
2.Apply specified sealant to the transmission case mating surface of the transfer case adapter as illustrated.
Specified sealant: Mitsubishi Part No. MD997740 or equivalent

>>W<< SPECIAL BOLT / NUT INSTALLATION



1.Apply the specified sealant to the bolt as shown.
Specified sealant: Mitsubishi Part No. MD997740 or equivalent

2.Apply the specified sealant to the nut threads.
Specified sealant: 3M ™ AAD Part No. 2353 or equivalent

>>X<< NEUTRAL RETURN PLUNGER / NEUTRAL RETURN SPRING INSTALLATION



Coat the entire surface of the neutral return plunger with grease. Then, install the neutral return plunger to the upper cover and attach the spring.
Specified lubricant: Mitsubishi Part No. 0101011 or equivalent

>>Y<< UPPER COVER INSTALLATION



1.Completely degrease the FIPG-applied surface so that water and oil including the old sealant cannot adhere to the surface coated with the sealant.
Never touch the degreased surface by hand.
2.Apply a bead of specified sealant to the upper cover as illustrated.
Specified sealant: Mitsubishi Part No. MD997740 or equivalent

>>Z<< RESISTANCE SPRING PLUG INSTALLATION



Apply the specified sealant to the resistance spring plug as illustrated.
Specified sealant: 3M ™ AAD Part No. 8660 or equivalent

>>a<< RAIL SWITCH INSTALLATION



Install the switches, ensuring that each is installed correctly as identified by the identification tape.
Mounting position
Rail switch
Identification tape colour
A
1st and 2nd
Red
B
5th and reverse
White

>>b<< TRANSFER INSTALLATION



1.Completely degrease the FIPG-applied surface so that water and oil including the old sealant cannot adhere to the surface coated with the sealant.
Never touch the degreased surface by hand.
2.Apply specified sealant to the transfer case adapter mating surface of the transfer.
Specified sealant: Mitsubishi Part No. MD997740 or equivalent

3.Apply grease to the leading end of the transfer input gear as illustrated.
Specified lubricant: Mitsubishi Part No. 0101011 or equivalent
4.Assemble the transfer and transmission with care not to damage the control shaft oil seal. At this time, mount the change shifter to the control shaft.

>>c<< CONTROL HOUSING INSTALLATION



1.Completely degrease the FIPG-applied surface so that water and oil including the old sealant cannot adhere to the surface coated with the sealant.
Never touch the degreased surface by hand.
2.Apply specified sealant to the illustrated position of the control housing.
Specified sealant: Mitsubishi Part No. MD997740 or equivalent

>>d<< SWITCH INSTALLATION



Install the switches as illustrated.
Mounting Position
Switch Name
Tube colour
Connector colour
A
2WD/4WD detection switch
Blue
Black
B
4LLC operation detection switch
Black
Brown
C
2WD detection switch
Black
Black
D
4H detection switch
Green
White
E
Centre differential lock detection switch
Blue
Brown