Mitsubishi Montero Sport (2004+). Manual - part 778

REAR DRUM BRAKE

TSB Revision

BASIC BRAKE SYSTEM

35A-37

REAR DRUM BRAKE

REMOVAL AND INSTALLATION

M1351007500449

Pre-removal Operation
• Loosening the Parking Brake Cable Adjusting Nut.

• Brake Fluid Draining

Post-installation Operation
• Brake Fluid Filling and Air Bleeding (Refer to 

P.35A-19

 or 

GROUP 35B, On-vehicle Service 

P.35B-61

.)

• Parking Brake Lever Stroke Adjustment (Refer to GROUP 

36, On-vehicle Service 

P.36-2

.)

AC005061AB

SEALANT: 3M™ AAD PART NO.
8509 OR EQUIVALENT

SPECIFIED GREASE: BRAKE GREASE SAE J310, NLGI NO.1

15 N·m
11 ft-lb

10 N·m
89 in-lb

17

4

17

16

1

6

7

8

15

14

13

12

11

3

5

4

2

9

6

7

8

10

17

16

19

18

REAR DRUM BRAKE REMOVAL 
STEPS

1. BRAKE DRUM
2. SHOE-TO-LEVER SPRING
3. ADJUSTER LEVER
4. AUTO ADJUSTER ASSEMBLY
5. RETAINER SPRING
6. SHOE HOLD-DOWN CUP
7. SHOE HOLD-DOWN SPRING
8. SHOE HOLD-DOWN CUP
9. SHOE-TO-SHOE SPRING
10. SHOE AND LINING ASSEMBLY
11. SHOE AND LEVER ASSEMBLY

<<A>> >>B<<

12. RETAINER

>>A<<

13. WAVE WASHER
14. PARKING LEVER
15. SHOE AND LINING ASSEMBLY
16. SHOE HOLD-DOWN PIN
17. BACKING PLATE (REFER TO 

GROUP 27, REAR AXLE SHAFT.)
WHEEL CYLINDER REMOVAL 
STEPS

1. BRAKE DRUM
18. BRAKE TUBE CONNECTION
19. WHEEL CYLINDER

REAR DRUM BRAKE REMOVAL 
STEPS (Continued)

REAR DRUM BRAKE

TSB Revision

BASIC BRAKE SYSTEM

35A-38

REMOVAL SERVICE POINT

.

<<A>> RETAINER REMOVAL
Use a flat-tipped screwdriver or the like to open up the retainer 
joint, and remove retainer.

INSTALLATION SERVICE POINTS

.

>>A<< WAVE WASHER INSTALLATION
Install the washer in the direction shown in the illustration.

.

>>B<< RETAINER INSTALLATION
Use pliers or the like to close the retainer end onto the pin.

AC004474 AB

PIN OF SHOE ASSEMBLY

RETAINER

AC004475 AB

WASHER

SHOE
ASSEMBLY

PIN

PARKING
LEVER

AC004476 AB

PIN OF SHOE ASSEMBLY

RETAINER

REAR DRUM BRAKE

TSB Revision

BASIC BRAKE SYSTEM

35A-39

WHEEL CYLINDER DISASSEMBLY AND ASSEMBLY

M1351007700379

Required Special Tool:

• MB990623: Installer

AC005062 AB

BRAKE FLUID: DOT3 OR DOT4

GREASE: REPAIR KIT GREASE

WHEEL CYLINDER REPAIR KIT

8 N·m
71 in-lb

5

1

3

4

2

6

4

3

2

1

2

6

2

1

4

1

4

GREASE

DISASSEMBLY STEPS

1. BOOTS
2. PISTON ASSEMBLY

>>A<<

3. PISTONS

>>A<<

4. PISTON CUPS
5. BLEEDER SCREW
6. WHEEL CYLINDER BODY

DISASSEMBLY STEPS (Continued)

REAR DRUM BRAKE

TSB Revision

BASIC BRAKE SYSTEM

35A-40

ASSEMBLY SERVICE POINT

.

>>A<< PISTON CUP/PISTON ASSEMBLY
1. Use alcohol or specified brake fluid DOT3 or DOT4 to clean 

the wheel cylinder and the piston.

2. Apply the specified brake fluid DOT3 or DOT4 to the piston 

cups and special tool MB990623.

CAUTION

In order to keep the piston cup from becoming twisted or 
slanted, slide the piston cup down the tool MB990623 
slowly and carefully, without stopping.
3. Set the piston cup on special tool MB990623 with the lip of 

the cup facing up. Fit the cup onto the special tool 
MB990623, and then slide it down the outside of the tool 
MB990623 into the piston groove.

INSPECTION

M1351007800279

Check the piston and wheel cylinder walls for rust, pitting, or 
damage. If there is any abnormality, replace the entire wheel 
cylinder assembly.

AC004481AB

HAVE THE LIP FACING
UPWARDS.

PISTON

MB990623