Mitsubishi Montero (2002-2004). Manual - part 440

POWER STEERING OIL PUMP ASSEMBLY

TSB Revision

POWER STEERING

37A-47

>>B<< OIL SEAL INSTALLATION
Use special tool MB991203 and MB990938 to install the oil 
seal.

.

>>C<< ROTOR INSTALLATION
Install the rotor to the pulley assembly so that the rotor's punch 
mark is at the pump cover side.

.

>>D<< CAM RING INSTALLATION
Install the cam ring with its identification mark towards the side 
plate.

.

>>E<< VANE INSTALLATION
Install the vane to the rotor with its round edge outwards (facing 
towards cam ring).

INSPECTION

M1372005500170

• Check the valve subassembly for clogging.

AC000752

MB990938

AB

MB991203

AC000753 AB

PUNCH MARK

AC000754 AB

IDENTIFICATION 
MARK

AC000755AB

VANE

ROUND EDGE

POWER STEERING OIL PUMP ASSEMBLY

TSB Revision

POWER STEERING

37A-48

• Check the driveshaft assembly for wear or damage.

• Check the rotor and vane groove for "stepped" wear.

• Check the contact surface of cam ring and vanes for 

"stepped" wear.

• Check the vanes for damage.

POWER STEERING HOSES

TSB Revision

POWER STEERING

37A-49

POWER STEERING HOSES

REMOVAL AND INSTALLATION

M1372005700282

Pre-removal Operation
• Under Cover Removal

• Power Steering Fluid Draining (Refer to 

P.37A-19

.)

• Removal of Battery and Battery Tray

• Removal of Condenser Tank (Refer to GROUP 14, Radia-

tor 

P.14-8

.)

Post-installation Operation
• Installation of Condenser Tank (Refer to GROUP 14, 

Radiator 

P.14-8

.)

• Installation of Battery and Battery Tray

• Power Steering Fluid Line Bleeding (Refer to 

P.37A-19

.)

• Under Cover Installation

• Drive Belt Tension Check (Refer to 

P.37A-18

.)

AC000668

57 

± 

7 N

·

m

42 

± 

5 ft-lb

3

2

AB

1

4

5

6

5

7

8

9

15 

± 

3 N

·

m

11 

± 

2 ft-lb

15 

± 

3 N

·

m

11 

± 

2 ft-lb

12 

± 

2 N

·

m

107 

± 

17 in-lb

12 

± 

2 N

·

m

107 

± 

17 in-lb

22 

± 

4 N

·

m

16 

± 

3 ft-lb

OIL PUMP ASSEMBLY

12 

± 

2 N

·

m

107 

± 

17 in-lb

12 

± 

2 N

·

m

107 

± 

17 in-lb

12 

± 

2 N

·

m

107 

± 

17 in-lb

REMOVAL STEPS

1. OIL RESERVOIR

>>D<<

2. SUCTION HOSE

>>C<<

3. RETURN HOSE B
4. TUBE CLIP
5. EYE BOLT

>>A<<

6. PRESSURE HOSE ASSEMBLY

>>A<<

7. PRESSURE TUBE

>>B<<

8. COOLER TUBE

>>B<<

9. RETURN HOSE A

>>A<<

10. RETURN TUBE

REMOVAL STEPS (Continued)

POWER STEERING HOSES

TSB Revision

POWER STEERING

37A-50

INSTALLATION SERVICE POINTS

.

>>A<< RETURN TUBE / PRESSURE TUBE / PRESSURE 
HOSE ASSEMBLY INSTALLATION
1. Align the markings on the gearbox side and the tube side to 

install.

2. Install the pressure hose assembly and the pressure tube 

with the mating marks facing upward.

.

>>B<< RETURN HOSE A / COOLER TUBE INSTALLATION
Install them with the mating marks facing upward.

.

AC000664 AB

MATING MARKS

AC000669

FRONT

REAR

MATING MARKS

AB

OIL PUMP ASSEMBLY

AC000733

A

MATING MARKS

VIEW A

AB

MATING MARKS