Mitsubishi Galant. Manual - part 552

POWER STEERING OIL PUMP ASSEMBLY

TSB Revision

POWER STEERING

37A-39

DISASSEMBLY AND ASSEMBLY

M1372005400054

CAUTION

Do not disassemble the pressure switch assembly and valve subassembly.

AC001014

OIL PUMP SEAL KIT

1

13

12

11

10

8

7

6

5

4

3

2

14

15

18

17

16

19

20

21

6

5

16

21

25 - 29 N·m
18 - 22 ft-lb

16 N·m
12 ft-lb

20 N·m
15 ft-lb

3.4 - 4.0 N·m
30 - 35 in-lb

16 N·m
12 ft-lb

AC

9

: MITSUBISHI POWER STEERING FLUID

DISASSEMBLY STEPS

1.

PRESSURE SWITCH ASSEMBLY

2.

O-RING

3.

REAR BRACKET <3.0L ENGINE>

4.

REAR COVER

5.

BACKUP RING

>>A<<

6.

O-RING

7.

SIDE PLATE (REAR)

8.

SNAP RING

9.

DRIVESHAFT ASSEMBLY

10.

FRONT BRACKET <3.0L ENGINE>

>>D<<

11.

VANE

>>C<<

12.

CAM RING

>>B<<

13.

ROTOR

14.

SIDE PLATE (FRONT)

15.

LOCK PIN

16.

O-RING

17.

VALVE SUBASSEMBLY

18.

SPOOL ASSEMBLY

19.

SPRING

20.

SUCTION PIPE

>>A<<

21.

O-RING

DISASSEMBLY STEPS (Continued)

POWER STEERING OIL PUMP ASSEMBLY

TSB Revision

POWER STEERING

37A-40

ASSEMBLY SERVICE POINTS

>>A<< O-RING INSTALLATION

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

>>C<< CAM RING INSTALLATION
Install the cam ring with the punch mark facing the side plate.

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

 INSPECTION

M1372005500051

•

Check the valve subassembly for clogging.

•

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.

NO.

ID 

××××

 WIDTH mm (in)

1

13.3 

×

 1.6 (0.52 

×

 0.06)

2

15 .0 

×

 2.0 (0.59 

×

 0.08)

AC001015AB

1

2

SUCTION PIPE

SIDE PLATE (REAR)

AC000753 AB

PUNCH MARK

AC000754AC

PUNCH MARK

AC000755 AC

VANE

ROTOR

CAM RING

DIRECT ROUND EDGE
TO THE CAM RING

POWER STEERING HOSES

TSB Revision

POWER STEERING

37A-41

PO W ER  STEERIN G  HO SES

REMOVAL AND INSTALLATION

M1372005700055

Pre-removal Operation
Power Steering Fluid Draining (Refer to 

P.37A-16

.)

Post-installation Operation

•

Power Steering Fluid Level Check (Refer to 

P.37A-16

.)

•

Power Steering Fluid Line Bleeding (Refer to 

P.37A-16

.)

AC001019

1

13

12

11

10

9

8

7

6

5

4

3

2

14

15

57 N·m
42 ft-lb

12 N·m
106 in-lb

12 N·m
106 in-lb

34 N·m
25 ft-lb

15 N·m
11 ft-lb

12 N·m
106 in-lb

12 N·m
106 in-lb

<2.4L ENGINE>

AC

10

12 N·m
106 in-lb

12 N·m
106 in-lb

REMOVAL STEPS

>>F<<

1.

RETURN HOSE

>>E<<

2.

SUCTION HOSE

3.

OIL RESERVOIR

>>D<<

4.

RETURN HOSE

5.

RETURN TUBE

>>C<<

6.

PRESSURE HOSE

7.

O-RING

8.

BRACKET

9.

CLAMP

10.

CLIP

>>B<<

11.

RETURN HOSE ASSEMBLY

>>A<<

12.

PRESSURE TUBE ASSEMBLY

13.

O-RING

•

FRONT BUMPER (REFER TO 
GROUP 51, FRONT BUMPER 

P.51-

2

.)

14.

CLIP

15.

COOLER TUBE ASSEMBLY

REMOVAL STEPS (Continued)

POWER STEERING HOSES

TSB Revision

POWER STEERING

37A-42

AC001020

1

13

12

11

10

9

8

7

6

5

4

3

2

57 N·m
42 ft-lb

12 N·m
106 in-lb

15 N·m
11 ft-lb

12 N·m
106 in-lb

12 N·m
106 in-lb

12 N·m
106 in-lb

AC

8

8

12 N·m
106 in-lb

12 N·m
106 in-lb

<3.0L ENGINE>

REMOVAL STEPS

>>F<<

1.

RETURN HOSE

>>E<<

2.

SUCTION HOSE

3.

OIL RESERVOIR

>>D<<

4.

RETURN HOSE

5.

RETURN TUBE

>>C<<

6.

PRESSURE HOSE

7.

O-RING

8.

CLIP

>>B<<

9.

RETURN HOSE ASSEMBLY

>>A<<

10.

PRESSURE TUBE ASSEMBLY

11.

O-RING

•

FRONT BUMPER ASSEMBLY 
(REFER TO GROUP 51, FRONT 
BUMPER  

P.51-2

.)

12.

CLIP

13.

COOLER TUBE ASSEMBLY

REMOVAL STEPS (Continued)