Mitsubishi Montero (2004+). Manual - part 100

 

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Mitsubishi Montero (2004+). Manual - part 100

 

 

SPECIAL TOOLS

TSB Revision

ENGINE MECHANICAL

11A-5

MB991683
Sling chain set

Tool not available

Removal and installation of 
engine assembly

MB990767
End yoke holder

MB990767-01

Holding the camshaft 
sprocket

MD998715
Crankshaft pulley holder 
pin

MIT308239

Holding the camshaft 
sprocket

MD998443
Auto-lash adjuster holder

MD998443-01

Holding the auto-lash 
adjuster

MD998772
Valve spring compressor

General service tool

Compressing valve spring

MD998774
Valve stem seal installer

MD998774-01

Valve stem seal installer

MD998713
Camshaft oil seal installer

MD998713-01

Press-in of the camshaft oil 
seal

MB991559
Camshaft oil seal adapter 
installer

Tool not available

Press-fitting the camshaft 
oil seal (left bank side)

TOOL

TOOL NUMBER AND 
NAME

SUPERSESSION

APPLICATION

B991683

B990767

D998443   

AC204024

D998713    

B991559

SPECIAL TOOLS

TSB Revision

ENGINE MECHANICAL

11A-6

MD998717
Crankshaft front oil seal 
installer

MD998717-01

Press-in of the crankshaft 
front oil seal

MD998781
Flywheel stopper

General service tool

Securing the drive plate

MD998718
Crankshaft rear oil seal 
installer

MD998718-01

Press-fitting the crankshaft 
rear oil seal

MD998051
Cylinder head bolt 
wrench

MD998051-01 or General 
service tool

Cylinder head bolt removal 
and installation

MB991800
Pulley holder

MB991800-01

Holding the crankshaft 
pulley

MB991802
Pin B

MB991802-01

Holding the crankshaft 
pulley

MD998767
Tension pulley socket 
wrench

MD998752-01

Timing belt tension 
adjustment

MD998769
Crankshaft pulley spacer

General service tool

Rotating the crankshaft 
when installing the timing 
belt

TOOL

TOOL NUMBER AND 
NAME

SUPERSESSION

APPLICATION

D998781  

MB991800

MB991802

D998767

ON-VEHICLE SERVICE

TSB Revision

ENGINE MECHANICAL

11A-7

ON-VEHICLE SERVICE

DRIVE BELT TENSION CHECK

M1111003100571

Refer to GROUP 00, Maintenance Service 

− Drive Belts 

(Check Condition) 

P.00-41

.

AUTO-TENSIONER CHECK

M1111003000035

1. Run the engine at idling speed and then stop it to check 

whether the drive belt is centered on the auto-tensioner 
pulley.

2. Insert a1/2 inch breaker bar into the square hole on the drive 

belt auto tensioner, and rotate it clockwise until the tensioner 
touches the stopper.

3. Align hole B with hole A, and insert a 5.0 mm (0.20 inch) 

Allen wrench to hold the tensioner. Then loosen the drive 
belt, and then remove the drive belt auto tensioner.

4. Move the auto-tensioner right and left by using a 1/2 inch 

breaker bar or similar tool to verify that it moves smoothly.

5. If some abnormality is found during the above mentioned 

check (1) and (3), replace the auto-tensioner.

IGNITION TIMING CHECK

M1111001700533

Required Special Tool:
MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: V.C.I.

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B

1. Before checks, set the vehicle in the following condition:

• Engine coolant temperature: 80 − 95°C (176 − 203°F)

• Lights and all accessories: OFF

• Transmission: P range

NOTE: Vehicles for Canada, the headlight, taillight, etc. 
remain lit even when the lighting switch is in "OFF" position 
but this is no problem for checks.

ACX01424AB

HOLE A

HOLE B

SQUARE 

HOLE

CLOCKWISE

ALLEN WRENCH

ON-VEHICLE SERVICE

TSB Revision

ENGINE MECHANICAL

11A-8

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
2. Connect scan tool MB991958 to the data link connector.
3. Set up a timing light.
4. Start the engine and run it at idle.
5. Check that the idle speed is approximately 700 r/min.
6. Select scan tool MB991958 actuator test "item number 17".
7. Check that basic ignition timing is within the standard value.

Standard value: 5

° BTDC ± 3°

8. If the basic ignition timing is not within the standard value, 

check the following items:

• Diagnostic output

• Timing belt cover and crankshaft position sensor installation 

conditions

• Crankshaft sensing blade condition

CAUTION

If the actuator test is not canceled, the forced drive will 
continue for 27 minutes. Driving in this state could lead to 
engine failure.
9. Press the clear key on scan tool MB991958 (select forced 

drive stop mode), and cancel the actuator test.

10.Check that the actual ignition timing is at the standard value.

Standard value: Approximately 10

° BTDC

NOTE: Ignition timing fluctuates about 

±

 7

°

 Before Top Dead 

Center, even under normal operating condition.
NOTE:  It is automatically further advanced by about 5

°

 to 

10

°

 Before Top Dead Center at higher altitudes.

CURB IDLE SPEED CHECK

M1111003500580

Required Special Tool:
MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: V.C.I.

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness B

1. Before checks, set the vehicle in the following condition.

• Engine coolant temperature: 80 − 95°C (176 − 203°F)

• Lights and all accessories: OFF

• Transmission: P range

NOTE: Vehicles for Canada, the headlight, taillight, etc. 
remain lit even when the lighting switch is in "OFF" position 
but this is no problem for checks.

AK302970

AB

MB991911

MB991824

MB991827

 

 

 

 

 

 

 

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