Mitsubishi Grandis. Manual - part 663

 

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Mitsubishi Grandis. Manual - part 663

 

 

OIL PAN AND OIL PUMP

ENGINE OVERHAUL

11B-47

<<E>> COUNTERBALANCE SHAFT 
FRONT BEARING REMOVAL

CAUTION

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

<<F>> COUNTERBALANCE SHAFT REAR 
BEARING REMOVAL

1. Using special tool Silent shaft bearing puller 

(MD998372), remove the right counterbalance 
shaft rear bearing from the cylinder block.

2. Using special tools, remove the left 

counterbalance shaft rear bearing from the 
cylinder block.

• Silent shaft bearing puller (MD998372)

• Bearing installer stopper (MB991603)

INSTALLATION SERVICE POINTS
>>A<< LEFT COUNTERBALANCE SHAFT 
REAR BEARING INSTALLATION

1. Install special tool Silent shaft bearing installer 

stopper (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 Silent shaft bearing installer 

(MD998705), install the rear bearing.
NOTE: The left rear bearing has no oil holes.

>>B<< RIGHT COUNTERBALANCE 
SHAFT REAR BEARING INSTALLATION

1. Install special tool the guide pin of the Silent shaft 

bearing installer (MD998705) in the threaded hole 
of the cylinder block as shown.

AK300174

MD998371

AD

AK300175AD

MD998372

AK300176

MB991603

MD998372

AD

AK300177

MB991603

MD998705
(Stopper)

AD

AK300619AD

MB991603

MD998705
(Stopper)

Rear bearing

AK300178

MD998705(Guide pin)

AD

OIL PAN AND OIL PUMP

ENGINE OVERHAUL

11B-48

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

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

3. Apply engine oil to the bearing outer surface and 

bearing hole in the cylinder block.

4. Using special tool, 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 Silent shaft bearing installer 
(MD998705).

2. Install special tool the guide pin of the Silent shaft 

bearing installer (MD998705) in the threaded hole 
of the cylinder block as shown.

3. Align the ratchet ball of the special tool with the oil 

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

4. Apply engine oil to the front bearing outer surface 

and bearing hole in the cylinder.

AK300621AD

Ratchet ball

Rear bearing right

Oil hole

AK300179

MD998705
(Stopper)

MD998705(Guide pin)

AD

AK300622AD

MD998705
(Stopper)

AK300623AD

Rear bearing
installing portion

MD998705 (Stopper)

AK300178

MD998705(Guide pin)

AD

AK304592AB

Ratchet ball

Front bearing right

Oil hole

OIL PAN AND OIL PUMP

ENGINE OVERHAUL

11B-49

5. Using special tool, install the rear bearing. Make 

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

>>D<< COUNTERBALANCE SHAFT OIL 
SEAL INSTALLATION

Using a suitable socket wrench, install the 
counterbalance shaft oil seal into the front case.

>>E<< OIL PUMP OIL SEAL 
INSTALLATION

Using a suitable socket wrench, install the oil pump 
oil seal into the front case.

>>F<< CRANKSHAFT FRONT OIL SEAL 
INSTALLATION

Using special tool Crankshaft front oil seal installer 
(MD998375), install the crankshaft front oil seal into 
the front case.

>>G<< OIL PUMP DRIVEN GEAR/OIL 
PUMP DRIVE GEAR INSTALLATION

Install the oil pump gears into the front case and 
align the alignment marks.

AK300179

MD998705
(Stopper)

MD998705(Guide pin)

AD

AK300624

AK304593AB

Oil seal

Socket wrench

Front case

AK304594AB

Oil seal

Socket wrench

Front case

AK304595AB

MD998375

Oil seal

Front case

AK300180

Alignment
mark

AD

OIL PAN AND OIL PUMP

ENGINE OVERHAUL

11B-50

>>H<< OIL PUMP CASE INSTALLATION

1. Set special tool Crankshaft front oil seal guide 

(MD998258) on the front end of crankshaft and 
apply a thin coat of engine oil to the outer surface 
of special tool.

2. Apply engine oil to the lip of the crankshaft front 

oil seal.

3. Install the front case carefully not to damage the 

oil seal.

CAUTION

Carefully install the tightening bolts because of 
the different length respectively.
4. Tighten all flange bolts to the specified torque.

Tightening torque: 23 

± 3 Nm

>>I<< FLANGE BOLT INSTALLATION

1. Insert a Phillips head screwdriver (shank diameter 

8 mm) into the hole in the left side of the cylinder 
block to lock the counterbalance shaft.

2. Secure the oil pump driven gear onto the left 

counterbalance shaft by tightening the flange bolt 
to the specified torque.

Tightening torque: 36 

± 3 Nm

3. Pull out the screwdriver and screw in the plug.

>>J<< PLUG INSTALLATION

1. Install a new O-ring to the groove of the front 

case.

2. Install the plug to the front case.
3. Use the special tool to tighten the plug to the 

specified torque.

• Plug wrench (MD998162)

• Plug wrench retainer (MD998783)

Tightening torque: 23 

± 3 Nm

AK300181AD

MD998285

AK300182

MD998285

AD

AK301520AD

25 mm

40 mm

20 mm

22 mm

32 mm

AK300172

AK300183

AK300184

MD998162

MD998783

AD

 

 

 

 

 

 

 

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