Mitsubishi Montero Sport (2004+). Manual - part 830

POWER STEERING OIL PUMP ASSEMBLY

TSB Revision

STEERING

37A-43

>>B<< OIL SEAL INSTALLATION
Use special tool MB990926 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<< SNAP RING INSTALLATION
After installation of the snap ring, lift the rotor and check that 
the snap ring has entered the countersunk part.

.

AC000752

MB990938

AC

MB990926

AC000753 AB

PUNCH MARK

AC004405

AC004406

SNAP RING

AB

POWER STEERING OIL PUMP ASSEMBLY

TSB Revision

STEERING

37A-44

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

.

>>F<< VANE INSTALLATION
Install the vanes on the rotor, paying close attention to the 
installation direction.

INSPECTION

M1372005500233

• Check the pulley 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.

AC000754 AB

IDENTIFICATION 
MARK

AC000755 AC

VANE

ROTOR

CAM RING

DIRECT ROUND EDGE
TO THE CAM RING

POWER STEERING HOSES

TSB Revision

STEERING

37A-45

POWER STEERING HOSES

REMOVAL AND INSTALLATION

M1372005700486

Pre-removal Operation
• Power Steering Fluid Draining (Refer to 

P.37A-20

.)

• Radiator Grill Removal

Post-installation Operation
• Radiator Grill Installation

• Power Steering Fluid Level Check (Refer to 

P.37A-19

.)

• Power Steering Fluid Line Bleeding (Refer to 

P.37A-20

.)

AC004440

1

2

3

4

5

6

7

8

9

10

11

10, 12

13

12

N

N

N

49 N·m
43 ft-lb

49 - 54 N·m
36 - 47 ft-lb

12 N·m
104 in-lb

12 N·m
104 in-lb

12 N·m
104 in-lb

15 N·m
11 ft-lb

AB

REMOVAL STEPS

>>E<<

1. SUCTION HOSE
2. RETURN HOSE
3. OIL RESERVOIR

>>D<<

4. RETURN HOSE
5. RETURN PIPE

>>C<<

6. PRESSURE HOSE
7. EYE BOLT

>>C<<

8. PRESSURE PIPE
9. GASKET

>>B<<

10. RETURN PIPE ASSEMBLY
11. O-RING

>>A<<

12. PRESSURE PIPE ASSEMBLY
13. O-RING

REMOVAL STEPS (Continued)

POWER STEERING HOSES

TSB Revision

STEERING

37A-46

INSTALLATION SERVICE POINTS

.

>>A<< PRESSURE PIPE ASSEMBLY INSTALLATION
Connect the pressure pipe so that the marking is positioned as 
shown in the illustration.

.

>>B<< RETURN PIPE ASSEMBLY INSTALLATION
1. Align the mating marks on the return pipe and steering gear 

box, and install the return pipe.

2. Connect the return pipe so that the marking is positioned as 

shown in the illustration.

.

>>C<<PRESSURE PIPE/PRESSURE HOSE INSTALLATION
Align the mating marks on the pressure hose and pressure 
pipe, and install the pressure hose.

.

AC004441

PRESSURE PIPE

AB

AC004442

MATING
MARKS

AB

AC004443 AB

RETURN
PIPE

AC004444

MATING
MARKS

AB