Mitsubishi Space Star. Manual - part 5

 

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Mitsubishi Space Star. Manual - part 5

 

 

ENGINE <4G9> – Crankshaft Rear Oil Seal <A/T>

11A-11

INSTALLATION SERVICE POINTS



A



CRANKSHAFT REAR OIL SEAL INSTALLATION

1.

Apply a small mount of engine oil to the entire
circumference of the oil seal lip.

2.

Install the oil seal by tapping it as far as the chamfered
position of the oil seal case as shown in the illustration.



B



DRIVE PLATE/ADAPTOR PLATE/DRIVE PLATE
BOLTS INSTALLATION

1.

Clean off all sealant, oil and other substances which are
adhering to the threaded bolts, crankshaft thread holes
and the drive plate.

2.

Apply oil to the bearing surface of the drive plate bolts.

3.

Apply oil to the crankshaft thread holes.

4.

Apply sealant to the threaded mounting holes.

Specified sealant: 3M Stud locking 4170 or equivalent

5.

Use the special tool to secure the drive plate, and then
tighten the bolts to the specified torque.

Specified torque: 93 – 103 Nm

Crankshaft
rear oil seal

MD990938

MD998776

Crankshaft

ENGINE <4G9> – Cylinder Head Gasket

11A-12

CYLINDER HEAD GASKET

REMOVAL AND INSTALLATION

Pre-removal and Post-installation Operation



Engine Cover Removal and Installation 
(Refer to P.11A-5.)



Prevention of Fuel Discharge <before removal only>



Fuel Leak Check <after installation only>



Air Bleeding the High Pressure Fuel Path<after
installation only> 
[Refer to GROUP 13A – Fuel Pump (High-pressure).]



Under Cover Removal and Installation



Engine Coolant Draining and Supplying



Engine Oil Draining and Supplying



Air Cleaner Removal and Installation



Intake Manifold Removal and Installation 
(Refer to GROUP 15.)



Fuel Pump (high-pressure) Assembly Removal and
Installation (Refer to GROUP 13A.)



Timing Belt Rear Upper Cover Removal and
Installation (Refer to P.11A-5.)



Thermostat Case Assembly and Radiator upper hose
Removal and Installation 
(Refer to GROUP 14 – Water Hose and Water Pipe.)

34 Nm

1

2

3

4

5

6

10

12

13

14

3

3.4 Nm

74 Nm 

 0 Nm 

 20 Nm

 +90

 →

 +90



7

8

9

11

22 Nm

44 Nm

35 Nm

35 Nm

19 Nm

19 Nm

34 Nm

49 Nm

1 0  –  1 2  N m

ENGINE <4G9> – Cylinder Head Gasket

11A-13

Removal steps

1. Injector harness connector
2. Front exhaust pipe connection
3. Exhaust manifold bracket
4. Power steering oil pump bracket

stay



A



5. Power steering oil pump and brack-

et assembly

6. Engine oil level gauge assembly
7. Connector bracket (injector wiring

harness)

8. Rocker cover (intake side)
9. Rocker cover gasket

10. Rocker cover (exhaust side)

11. Rocker cover gasket



B

 

B



12. Cylinder head bolt
13. Cylinder head assembly



A



14. Cylinder head gasket

REMOVAL SERVICE POINTS



A



POWER STEERING OIL PUMP AND BRACKET
ASSEMBLY REMOVAL

Remove the power steering oil pump and bracket assembly
from the engine with the hose attached.

NOTE
Place the removed power steering oil pump in a place where
it will not be a hindrance when removing and installing the
cylinder head assembly, and tie it with a cord.



B



CYLINDER HEAD BOLT REMOVAL

Use the special tool to loosen the bolts in two or three stages
in the order of the numbers shown in the illustration, and
then remove the bolts.

INSTALLATION SERVICE POINTS



A



CYLINDER HEAD GASKET INSTALLATION

1.

Wipe off all oil and grease from the gasket mounting
surface.

2.

Install so that the shapes of the cylinder head holes match
the shapes of the respective cylinder head gasket holes.

Intake side

Front of engine

Exhaust side

MB991653

3

5

10

8

2

1

7

9

6

4

ENGINE <4G9> – Cylinder Head Gasket

11A-14



B



CYLINDER HEAD BOLT INSTALLATION

1.

When installing the cylinder head bolts, the length below
the head of the bolts should be within the limit.
If it is outside the limit, replace the bolts.

Limit (A): 96.4 mm

2.

The head bolt washer should be installed with the burred
side caused by tapping out facing upwards.

3.

Apply a small amount of engine oil to the thread section
and the washer of the cylinder head bolt.

4.

Tighten the bolts by the following procedure.

Step

Operation

Remarks

1

Tighten to 74 Nm.

Carry out in the order
shown in the illustration.

2

Fully loosen.

Carry out in the reverse
order of that shown in the
illustration.

3

Tighten to 20 Nm.

Carry out in the order
shown in the illustration.

4

Tighten 90



 of a turn.

In the order shown in the
illustration. Mark the
head of the cylinder head
bolt and cylinder head by
paint.

5

Tighten 90



 of a turn.

In the order shown in the
illustration. Check that
the painted mark of the
head bolt is lined up with
that of the cylinder head.

Caution
(1) Always make a tightening angle just 90



. If it is

less than 90



, the head bolt will be loosened.

(2) If it is more than 90



, remove the head bolt and

repeat the procedure from step 1.

Head bolt

Burred side

Head bolt
washer

(Engine
oil)

Cylinder
head

A

Intake side

Front of engine

Exhaust side

MB991653

3

5

10

8

2

1

7

9

6

4

Step 4

90



Painted mark

Step 5

90



Painted mark

 

 

 

 

 

 

 

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