Mitsubishi Galant (2004+). Manual - part 590

OIL PAN AND OIL PUMP

TSB Revision

ENGINE OVERHAUL <2.4L ENGINE>

11B-49

>>L<< DRAIN PLUG GASKET INSTALLATION

CAUTION

If the gasket is installed in the wrong direction, oil leaks 
will occur.
Install the drain plug gasket in the direction shown.

.

>>M<< OIL FILTER INSTALLATION
1. Clean the installation surface of the filter bracket.
2. Apply engine oil to the o-ring of the oil filter.

3. Using general service tool, install the oil filter to the bracket 

and tighten it to the specified torque.

Tightening torque:

Part number MD356000 filter:
14 

± 2 N⋅m (124 ± 17 in-lb)

Other Mitsubishi Genuine filter:
17 

± 3 N⋅m (13 ± 1 ft-lb)

4. If a torque wrench cannot be used, use the following 

procedure:

(1) Screw in the oil filter until its o-ring contacts the oil filter 

bracket.

(2) Tighten the oil filter as follows:

Part number MD356000 filter: one turn
Other Mitsubishi Genuine filter: 3/4 turn

AK300601AD

DRAIN PLUG

OIL PAN

GASKET

OIL PAN 
SIDE

AK301069AC

AK300186

GENERAL SERVICE TOOL

AC

OIL PAN AND OIL PUMP

TSB Revision

ENGINE OVERHAUL <2.4L ENGINE>

11B-50

INSPECTION

M1113008200278

.

FRONT CASE
1. Check the oil passage for clogging. Clean if necessary.
2. Check the left counterbalance shaft front bearing for wear, 

damage and seizure. If the bearing is damaged, replace the 
front case.

3. Check the front case for cracks and other damage.

Replace cracked or damaged front case.

.

OIL SEAL
1. Check the oil seal lip for wear and damage. Replace the oil 

seal if necessary.

2. Check the oil seal lip for deterioration. Replace the oil seal if 

necessary.

.

COUNTERBALANCE SHAFT
1. Check the oil holes for clogging and clean if necessary.
2. Check the journal for seizure, damage and contact with 

bearing. If there is anything wrong with the journal, replace 
the counterbalance shaft, bearing or front case assembly if 
required.

.

OIL PUMP
1. Assemble the oil pump gears to the front case and rotate it 

to ensure smooth rotation with no looseness.

2. Ensure that there is no ridge wear on the contact surface 

between the front case and the gear surface of the oil pump 
cover.

3. Check the side clearance.

Standard value:

Drive gear 0.08 

− 0.14 mm (0.0031 − 0.0055 inch)

Driven gear 0.06 

− 0.12 mm (0.0024 − 0.0047 inch)

AK300187

AK300188

PISTON AND CONNECTING ROD

TSB Revision

ENGINE OVERHAUL <2.4L ENGINE>

11B-51

PISTON AND CONNECTING ROD

REMOVAL AND INSTALLATION

M1113008400584

Required Special Tool:

• MIT216941: Piston Pin Setting Tool

AK301260AC

1

2

3

4

5

6

7
8

9

10

11

12

20 ± 2 N·m
15 ± 1 ft-lb

APPLY ENGINE OIL
TO ALL MOVING
PARTS BEFORE
INSTALLATION.

→ + 90˚ to 94˚

REMOVAL STEPS

>>G<<

1. NUT

<<A>> >>F<<

2. CONNECTING ROD CAP

>>D<<

3. CONNECTING ROD BEARING

>>E<<

4. PISTON AND CONNECTING ROD 

ASSEMBLY

>>D<<

5. CONNECTING ROD BEARING

>>C<<

6. PISTON RING No. 1

>>C<<

7. PISTON RING No. 2

>>B<<

8. OIL RING

<<B>> >>A<<

9. PISTON PIN
10.PISTON
11.CONNECTING ROD
12.BOLT

REMOVAL STEPS (Continued)

PISTON AND CONNECTING ROD

TSB Revision

ENGINE OVERHAUL <2.4L ENGINE>

11B-52

REMOVAL SERVICE POINTS

.

<<A>> CONNECTING ROD CAP REMOVAL
1. Mark the cylinder number on the side of the connecting rod 

big end for correct reassembly.

2. Keep the removed connecting rods, caps, and bearings in 

that order according to the cylinder number.

.

<<B>> PISTON PIN REMOVAL

1. Remove the stop screw from the base.
2. Select the correct piston support for your application (See 

above). Fit the piston support onto the base. Place the base 
on press support blocks.

AK300189

CYLINDER
NUMBER

AC

ITEM NO. PART NO.

DESCRIPTION

1

MIT310134 Base

2

MIT310136 Piston support

3

MIT310137 Connecting rod guide pin

4

MIT310138 Connecting rod guide pin

5

MIT310139 Connecting rod guide pin

6

MIT310140 Piston support

7

MIT310141 Connecting rod guide pin

8

MIT310142 Piston support

9

MIT48143

Press pin

10

216943

Stop screw

11

10396

Nut

AK301792

PISTON PIN SETTING 
TOOL MIT216941

1

2

5

8

11

10

9

6

3

4

7

AB