Mitsubishi Grandis. Manual - part 632

SPECIAL TOOLS

ENGINE MECHANICAL

11A-5

MB990767

Front hub and flange yoke 
holder

Holding the camshaft sprocket

MD998719

Pin

MD998772

Valve spring compressor

Compressing valve spring

MD998774

Valve stem seal installer

Valve stem seal installation

MD998713

Camshaft oil seal installer

Camshaft oil seal installation

MD998727
Oil pan remover

MD998727-01

Oil pan removal

MD998781

Flywheel stopper

• Supporting the flywheel 

assembly <M/T>

• Supporting the A/T drive plate 

<A/T>

Tool

Number

Name

Use

B990767

D998719

MD998772

D998713    

D998727

D998781  

SPECIAL TOOLS

ENGINE MECHANICAL

11A-6

MB990938

Installer bar

Crankshaft rear oil seal 
installation

MD998776

Crankshaft rear oil seal 
installer

MD998285

Crankshaft front oil seal 
guide

Crankshaft front oil seal 
installation 

MD998375

Crankshaft front oil seal 
installer

MD998738

Adjusting bolt

Supporting the timing belt 
tensioner arm and timing belt 
tensioner adjuster

MB991654

Cylinder head bolt wrench 
(12)

Removal and installation of 
cylinder head bolt

MB991367

Special spanner

Holding the crankshaft camshaft 
drive sprocket

MB991385

Pin

Tool

Number

Name

Use

D998776

D998285

D998738

B991654

B991367

B991385

ON-VEHICLE SERVICE

ENGINE MECHANICAL

11A-7

ON-VEHICLE SERVICE

DRIVE BELT TENSION CHECK

M1111003100623

CAUTION

Check the drive belt tension after turning the 
crankshaft clockwise one turn or more.

1. Make sure that the indicator mark is within the 

area marked with A in the illustration.

MD998767

Tensioner wrench

Valve timing belt tension 
adjustment

MB991454

Engine hanger balancer

When the engine hanger is 
used: Supporting the engine 
assembly during removal and 
installation of the transmission 
assembly
NOTE: Special tool MB991454 
is a part of engine hanger 
attachment set MB991453.

MB991527

Hanger

MB991895

Engine hanger

MB991928

A: MB991929
B: MB991930
C: MB991931
D: MB991932
E: MB991933
F: MB991934

Engine hanger

A: Joint (50) 

× 2

B: Joint (90) 

× 2

C: Joint (140) 

× 2

D: Foot (standard) 

× 4

E: Foot (short) 

× 2

F: Chain and hook assembly

Tool

Number

Name

Use

D998767

B991454

B991527

Z203830

B991928

A

B

C

D

E

F

Slide bracket (HI)

AC301702AB

A

Indicator mark

ON-VEHICLE SERVICE

ENGINE MECHANICAL

11A-8

2. If the mark is out of the area, replace the drive 

belt. (Refer to 

P.11A-15

).

NOTE: The drive belt tension check is not 
necessary as auto-tensioner is adopted.

AUTO-TENSIONER CHECK

M1111003000295

OPERATION CHECK

1. Turn OFF the engine from the idle state then 

check to see that the drive belt is not protruding 
from the pulley width of the auto-tensioner.

2. Remove the drive belt. (Refer to 

P.11A-15

).

3. Securely insert the spindle handle or ratchet 

handle with a 12.7 mm insertion angle into the jig 
hole of the auto tensioner. Turn the auto-tensioner 
to the left and right to check and see that there is 
no threading.

4. If there are any problems in the procedure 1 or 3, 

replace the auto-tensioner. (Refer to 

P.11A-33

).

5. Install the drive belt. (Refer to 

P.11A-15

).

FUNCTION CHECK

You can verify if the auto-tensioner is defective or not 
by checking the drive belt tension.

When using V.C.I.

1. Check the drive belt tension. (Refer to 

P.11A-7

).

2. Measure the drive belt tension vibration frequency 

by the following procedures:

CAUTION

To prevent damage to special tool V.C.I. 
(MB991824), always turn the ignition switch to 
the "LOCK" (OFF) position before connecting or 
disconnecting special tool V.C.I. (MB991824).

(1) Connect special tool belt tension meter set 

(MB991668) to special tool V.C.I. (MB991824).

(2) Connect special tool MUT-III main harness A 

(MB991910) to special tool V.C.I. (MB991824).

(3) Connect special tool MUT-III main harness A 

(MB991910) to the diagnosis connector.

(4) Turn the ignition switch to "ON" position, and 

select "Belt Tension" on the menu screen.

AC301703

AC310824

AB

MB991824

MB991910

MB991668

AC310824