Mitsubishi Eclipse. Manual - part 867

FRONT CASE AND OIL PUMP

TSB Revision

ENGINE OVERHAUL <2.4L>

11B-45

>>N<< SEALANT APPLICATION TO OIL PRESSURE 
SWITCH

CAUTION

Be careful not to block the oil passage with sealant.
1. Apply 3M

 AAD Part number 8672 or equivalent to the 

threads of the oil pressure switch.

2. Tighten the switch to the specified torque.

Tightening torque: 19 

± 3 N⋅m (14 ± 2 ft-lb)

INSPECTION

M1113007300034

.

FRONT CASE
1. Check the oil passage for clogging and 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.

.

AKX00524

AKX00606

FRONT CASE AND OIL PUMP

TSB Revision

ENGINE OVERHAUL <2.4L>

11B-46

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 (0.004 − 0.006 inch)

Driven gear 0.06 

− 0.12 mm (0.003 − 0.004 inch)

AKX00593

PISTON AND CONNECTING ROD

TSB Revision

ENGINE OVERHAUL <2.4L>

11B-47

PISTON AND CONNECTING ROD

REMOVAL AND INSTALLATION

M1113008400238

AKX00501

20 ± 2 N·m
14 ± 1 ft-lb

+ 90˚ to 94˚

1

2

4

6
7

8

10

12

9

11

5

AB

3

APPLY ENGINE OIL 
TO ALL MOVING 
PARTS BEFORE
INSTALLATION.

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>

11B-48

Required Special Tool:

• MIT216941: Piston Pin Setting Tool

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.

AKX00600

CYLINDER NUMBER

AB

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

AKX00598

PISTON PIN SETTING 
TOOL MIT216941

1

2

5

8

11

10

9

6

3

4

7

AB