Mitsubishi Grandis. Manual - part 642

ENGINE ASSEMBLY

ENGINE MECHANICAL

11A-45

REMOVAL SERVICE POINTS
<<A>> DRIVE BELT REMOVAL

The following operations will be needed due to the 
introduction of the serpentine drive system with the 
drive belt auto-tensioner.

1. Securely insert the spindle handle or ratchet 

handle with a 12.7 mm insertion angle into the jig 
hole of the auto-tensioner. 

2. Rotate the auto-tensioner anti-clockwise and align 

hole A with hole B.

AC312969AB

AC312969

18

17

16

15

14

13

12

11

10

9

N

8

78 ± 7 N·m

78 ± 7 N·m

78 ± 7 N·m

(Engine oil)

5.0 ± 1.0 N·m

24 ± 4 N·m

44 ± 10 N·m

78 ± 7 N·m

Removal steps

<<B>>

8.

Power steering oil pump and 
bracket assembly

<<C>>

9.

A/C compressor and clutch 
assembly

10. Exhaust manifold (Refer to GROUP 

15, Exhaust Manifold 

P.15-7

) 

11. Alternator assembly (Refer to 

GROUP 16, Charging System, 
Alternator Assembly 

P.16-12

)

12. Heater water hoses connection
13. Fuel return line hose connection

<<D>>

>>E<<

14. Fuel high-pressure hose 

connection

<<E>>

>>D<<

•

Transmission assembly

<<F>>

>>C<<

•

Radiator assembly

15. Earth cable connection
16. Self-locking nuts

<<G>>

>>B<<

17. Engine front mounting bracket

<<H>>

>>A<<

18. Engine assembly

AC301703

AC301704AB

Hole A

Auto-tensioner

Hole B

ENGINE ASSEMBLY

ENGINE MECHANICAL

11A-46

CAUTION

To reuse the drive belt, draw an arrow indicating 
the rotating direction (clockwise) on the back of 
the belt using chalk, etc.

3. Insert an L-shaped hexagon wrench, etc. into the 

hole to fix and then remove the drive belt.

<<B>> POWER STEERING OIL PUMP 
AND BRACKET ASSEMBLY REMOVAL

With the hose installed, remove the power steering 
oil pump and bracket assembly from the engine 
assembly.
NOTE: After removing the power steering oil pump 
and bracket assembly, secure it with a cord in the 
location where the removal and installation of the 
engine assembly cannot be hindered. 

<<C>> A/C COMPRESSOR AND CLUTCH 
ASSEMBLY REMOVAL

With the hose installed, remove the A/C compressor 
and clutch assembly from the bracket.
NOTE: After removing the A/C compressor and 
clutch assembly, secure it with a cord in the location 
where the removal and installation of the engine 
assembly cannot be hindered. 

<<D>> FUEL HIGH-PRESSURE HOSE 
REMOVAL

1. Remove the fuel high-pressure hose stopper.

2. Remove the fuel high-pressure hose in the 

direction shown in the figure while the retainer is 
pulled up. 
NOTE: If the retainer is released, install it after 
removing the fuel high-pressure hose.

<<E>> TRANSMISSION ASSEMBLY 
REMOVAL

Remove the transmission assembly (M/T: Refer to 
GROUP 22A, Transmission Assembly 

P.22A-11

, 

A/T: Refer to GROUP 23A, Transmission 
Assembly 

P.23A-147

).

<<F>> RADIATOR ASSEMBLY REMOVAL

1. Place a garage jack against the engine oil pan 

with a piece of wood in between and support the 
engine assembly.

2. Remove the following special tool.

(1) <Special tool engine hanger (MB991928) is 

used>

Remove special tool MB991928.

AC301705AB

L-shaped
hexagon
wrench

Auto-tensioner

AC301863AB

Stopper

AC301861AB

Retainer 

AC301803

MB991928

MB991527

MB991454

AB

ENGINE ASSEMBLY

ENGINE MECHANICAL

11A-47

(2) <Special tool engine hanger (MB991895) is 

used>

Remove special tool MB991895.

3. Hold the engine assembly with a chain block, etc.
4. Remove the radiator. (Refer to GROUP 14, 

Radiator 

P.14-25

)

<<G>> ENGINE FRONT MOUNTING 
BRACKET REMOVAL

Place a garage jack against the engine oil pan with a 
piece of wood in between so that the weight of the 
engine is not applied to the engine front mounting 
bracket and remove the engine front mounting 
bracket.

<<H>> ENGINE ASSEMBLY REMOVAL

After checking that all cables, hoses and wiring 
harness connectors and so on are disconnected 
from the engine, lift the chain block slowly to remove 
the engine assembly downwards from the engine 
compartment.

INSTALLATION SERVICE POINTS
>>A<< ENGINE ASSEMBLY 
INSTALLATION

Install the engine assembly, being careful not to 
pinch the cables, hoses or wiring harness 
connectors.

>>B<< ENGINE FRONT MOUNTING 
BRACKET INSTALLATION

Place a garage jack against the engine oil pan with a 
piece of wood in between, and install the engine front 
mounting bracket while adjusting the position of the 
engine.

>>C<< RADIATOR ASSEMBLY 
INSTALLATION

1. Install the radiator assembly. (Refer to GROUP 

14, Radiator 

P.14-25

)

2. Place a garage jack against the engine oil pan 

with a piece of wood in between and support the 
engine assembly.

3. Remove the chain block.
4. Use the following special tool as during removal to 

support the engine assembly.

(1) <Special tool engine hanger (MB991928) is 

used>

Set special tool MB991928. (M/T: Refer to 
GROUP 22A, Transmission Assembly 

P.22A-11

, A/T: Refer to GROUP 23A, 

Transmission Assembly 

P.23A-147

).

(2) <Special tool engine hanger (MB991895) is 

used>

Set special tool MB991895 (M/T: Refer to 
GROUP 22A, Transmission Assembly 

P.22A-11

, A/T: Refer to GROUP 23A, 

Transmission Assembly 

P.23A-147

).

AC301804

MB991527

MB991454

AB

MB991895

AC301805

MB991527

MB991454

AB

AC301803

MB991928

MB991527

MB991454

AB

AC301804

MB991527

MB991454

AB

MB991895

ENGINE ASSEMBLY

ENGINE MECHANICAL

11A-48

>>D<< TRANSMISSION ASSEMBLY 
INSTALLATION

Install the transmission assembly (M/T: Refer to 
GROUP 22A, Transmission Assembly 

P.22A-11

, 

A/T: Refer to GROUP 23A, Transmission 
Assembly 

P.23A-147

).

>>E<< FUEL HIGH-PRESSURE HOSE 
INSTALLATION

CAUTION

After connecting the fuel high-pressure hose, 
slightly pull it to ensure that it is installed 
securely. Also confirm that there is a play 
approximately 3 mm. Then install the stopper 
securely.
Apply a small amount of engine oil to the fuel line 
pipe and then install the fuel high-pressure hose.

>>F<< Brake booster vacuum hose 
INSTALLATION

1. Insert the brake booster vacuum hose thoroughly 

until it contacts the inlet manifold so that its mating 
mark faces towards the direction shown.

2. Secure the brake booster vacuum hose with hose 

clip.

AC301864AB

3 mm

Fuel 
high-pressure 
hose

Fuel line pipe
(Engine oil applied)

AC301863AB

Stopper

AC311486

Mating mark

AB

AC311486