Mitsubishi Galant (2004+). Manual - part 588

OIL PAN AND OIL PUMP

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ENGINE OVERHAUL <2.4L ENGINE>

11B-41

Required Special Tools:

• MB991603: Bearing Installer Stopper

• MD998162: Plug Wrench

• MD998285: Crankshaft Front Oil Seal Guide

• MD998371: Silent Shaft Bearing Puller

• MD998372: Silent Shaft Bearing Puller

• MD998375: Crankshaft Front Oil Seal Installer

• MD998705: Silent Shaft Bearing Installer

• MD998727: Oil Pan Cutter

• MD998783: Plug Wrench Retainer

REMOVAL SERVICE POINTS

.

<<A>> OIL PAN REMOVAL
1. Remove all oil pan bolts.
2. Drive in special tool MD998727 between the cylinder block 

and oil pan.
NOTE: Never use a screwdriver or chisel to remove the oil 
pan. It will deform the oil pan flange and result in oil leakage.

3. Gently hit the special tool on its corner (shoulder), then slide 

it along the oil pan to remove it.

.

<<B>> PLUG REMOVAL
1. Fit special tool MD998162 on the plug, and then hold it in 

position with special tool MD998783.

2. Loosen the plug.
3. Remove special tools MD998783 and MD998162 and then 

remove the plug.

.

<<C>> FLANGE BOLT REMOVAL
1. Remove the plug on the side of the cylinder block.
2. Insert a Phillips screwdriver [shank diameter 8 mm (0.3 

inch)] into the plug hole to lock the counterbalance shaft.

AK300170

MD998727

AC

AK300171

MD998162

MD998783

AC

AK300172

OIL PAN AND OIL PUMP

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ENGINE OVERHAUL <2.4L ENGINE>

11B-42

3. Loosen the flange bolt.

.

<<D>> COUNTERBALANCE SHAFT FRONT BEARING 
REMOVAL

CAUTION

Be sure to remove the front bearing first. If it has not been 
removed, special tool MD998372 cannot be used for rear 
balance shaft bearing removal.
Using special tool MD998371, remove the counterbalance 
shaft front bearing from the cylinder block.

.

<<E>> COUNTERBALANCE SHAFT REAR BEARING 
REMOVAL
1. Install special tools MB991603 and MD998372 in front of the 

cylinder block when removing the left counterbalance shaft 
rear bearing.

2. Using special tool MD998372, remove the right 

counterbalance shaft rear bearing from the cylinder block.

AK300173

AK300174

MD998371

AC

AK300175AC

MD998372

AK300176

MB991603

MD998372

AC

OIL PAN AND OIL PUMP

TSB Revision

ENGINE OVERHAUL <2.4L ENGINE>

11B-43

INSTALLATION SERVICE POINTS

.

>>A<< LEFT COUNTERBALANCE SHAFT REAR BEARING 
INSTALLATION
1. Install special tool MB991603 to the cylinder block.
2. Apply engine oil to the rear bearing outer surface and 

bearing hole in the cylinder block.

3. Using special tool MD998705, install the rear bearing.

NOTE: The left rear bearing has no oil holes.

.

>>B<< RIGHT COUNTERBALANCE SHAFT REAR 
BEARING INSTALLATION
1. Install the guide pin of the special tool MD998705 in the 

threaded hole of the cylinder block as shown.

2. Align the ratchet ball of the special tool MD998705 with the 

oil hole in the rear bearing to install the bearing of the 
special tool MD998705.

3. Apply engine oil to the bearing outer surface and bearing 

hole in the cylinder block.

AK300177

MB991603

MD998705
(STOPPER)

AE

AK300619AE

MB991603

MD998705
(STOPPER)

REAR BEARING

AK300178

MD998705
(GUIDE PIN)

AE

AK300621AC

RATCHET BALL

REAR BEARING RIGHT

OIL HOLE

OIL PAN AND OIL PUMP

TSB Revision

ENGINE OVERHAUL <2.4L ENGINE>

11B-44

4. Using special tool MD998705, install the rear bearing. Make 

sure that the oil hole of the bearing is aligned with the oil 
hole of the cylinder block.

.

>>C<< COUNTERBALANCE SHAFT FRONT BEARING 
INSTALLATION
1. Remove the rear bearing installing portion from the special 

tool MD998705.

2. Install the guide pin of special tool MD998705 in the 

threaded hole of the cylinder block as shown.

AK300179

MD998705
(STOPPER)

MD998705
(GUIDE PIN)

AF

AK300622AE

MD998705
(STOPPER)

AK300623AE

REAR BEARING
INSTALLING PORTION

MD998705 (STOPPER)

AK300178

MD998705
(GUIDE PIN)

AE