Mitsubishi Galant 9G. Manual - part 624

TRANSAXLE

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AUTOMATIC TRANSAXLE OVERHAUL

23B-28

54.Remove the transfer drive gear bearing mounting bolts 

(three or four pieces).
Then, turn the gear 1/8 turn (45 degrees) and remove the 
remaining bolts (three or four).
F4A4B: seven mounting bolts
F4A5A: eight mounting bolts

55.Remove the transfer drive gear.

AK300479

AK302273AC

BOLT
(FOUR)

BOLT
(THREE)

<F4A4B>

AK303642AB

BOLT (FOUR)

BOLT 
(FOUR)

<F4A5A>

AK300480

TRANSAXLE

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AUTOMATIC TRANSAXLE OVERHAUL

23B-29

56.Remove the cap by inserting a screw driver into the center 

of the cap and prying it up.

57.Using a chisel, straighten the staked portions from the 

output shaft jam nut.

CAUTION

The jam nut is reverse threaded.
58.Use special tools MB991625 and MB990607 to remove the 

output shaft jam nut.

59.Remove the bearing retainer mounting bolts.

AK300482

AK300483

AK300484AD

MB991625

MB990607

AK300485

TRANSAXLE

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AUTOMATIC TRANSAXLE OVERHAUL

23B-30

60.Tap on the rear end of the output shaft to remove the output 

shaft, taper roller bearing and collar.

61.Tap out the outer race and the spacer.
62.Remove the snap ring.
63.Remove the differential bearing outer race from the 

transaxle case.

ASSEMBLY

CAUTION

• Do not reuse the gasket, O-ring, oil seal. Always 

replace with a new one when assembling.

• Do not use grease. Use petroleum jelly (i.e. Vaseline).
• Apply ATF to friction components, rotating parts, and 

sliding parts before installation. Immerse new clutch 
discs or brake discs in ATF for at least two hours 
before assembling them.

• When replacing a bushing, replace the assembly which 

it belongs to.

• Do not use cloth gloves or shop towels during assem-

bly.  Use nylon cloth or other lint-free material.

1. Install special tool MD998412 in the installation screw hole 

of the transfer drive gear bearing located in the transaxle 
case. Using this as a guide, install the transfer drive gear 
bearing and gear in the transaxle case.

AK300486

AK300487

AK301090AE

MD998412

TRANSAXLE

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AUTOMATIC TRANSAXLE OVERHAUL

23B-31

2. Tighten the mounting bolts of the transfer drive gear bearing 

to the specified torque.
F4A4B: seven mounting bolts
F4A5A: eight mounting bolts

Tightening torque:

34 

± 2 N⋅m (25 ± 1 ft-lb) 

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

spring retainer into the transaxle case.

4. Fit a new O-ring into the groove of one-way clutch inner 

race.

AK300489

AK301620 AB

LOW-REVERSE BRAKE PISTON

RETURN SPRING

SPRING RETAINER

AK301748

ONE-WAY CLUTCH INNER RACE

O-RING

AB