Mitsubishi Galant. Manual — part 510
MASTER CYLINDER ASSEMBLY AND BRAKE BOOSTER
TSB Revision
BASIC BRAKE SYSTEM
35A-31
M A STER C YLIN DER ASSEM B LY AN D B R A K E B O O STER
REMOVAL AND INSTALLATION
M1351003700054
CAUTION
Do not remove the check valve from the vacuum hose. If the check valve is defective, replace it
together with the vacuum hose.
Pre-removal Operation
Brake Fluid Draining
Post-installation Operation
•
Brake Fluid Supplying
•
Brake Line Bleeding (Refer to
.)
•
Brake Pedal Adjustment (Refer to
.)
AC003755
13 N·m
113 in-lb
5
4
2
1
1
15 N·m
11 ft-lb
3
10
8
N
6
9
14 N·m
124 in-lb
10 N·m
89 in-lb
5
SEALANT: 3M™ AAD PART
NO. 8661, 8663, 8672, 8678,
8679 OR EQUIVALENT
AB
7
1
1
15 N·m
11 ft-lb
2
3
15 - 18 N·m
11 - 13 ft-lb
<VEHICLES WITH TCL>
<VEHICLES WITHOUT TCL>
REMOVAL STEPS
1. BRAKE TUBE CONNECTION
2. BRAKE FLUID LEVEL SENSOR
CONNECTOR
3. MASTER CYLINDER ASSEMBLY
>>B<<
•
ADJUSTMENT OF CLEARANCE BE-
TWEEN BRAKE BOOSTER PUSH-
ROD AND PRIMARY PISTON
>>A<<
4. VACUUM HOSE (WITH BUILT-IN
CHECK VALVE)
5. FITTING
6. SNAP PIN
7. CLEVIS PIN
8. BRAKE BOOSTER
9. SEALER
10. PLATE AND SEAL ASSEMBLY <VE-
HICLES WITH TCL>
REMOVAL STEPS (Continued)
MASTER CYLINDER ASSEMBLY AND BRAKE BOOSTER
TSB Revision
BASIC BRAKE SYSTEM
35A-32
INSTALLATION SERVICE POINTS
>>A<< VACUUM HOSE CONNECTION
1. Install the vacuum hose with the white-marked sections
facing up.
2. Insert securely and completely until the vacuum hose at the
engine side contacts the edge of the hexagonal part of the
fitting, and then secure with the hose clamp.
>>B<< CLEARANCE ADJUSTMENT BETWEEN BRAKE
BOOSTER PUSHROD AND PRIMARY PISTON
1. Using a hand vacuum pump, apply a negative pressure of -
66.7 kPa (19.6 inHg) to the brake booster.
2. Measure protruding length A at the pushrod.
Standard value (A): 10.28
−−−−
10.53 mm (0.404
−−−−
0.415
inch)
3. If the protruding length is not within the standard value
range, adjust by changing the pushrod length by turning the
end of the pushrod.
AC000899
WHITE MARKS
FITTING
VACUUM HOSE
AB
AC000900AB
A
AC000901
MASTER CYLINDER ASSEMBLY AND BRAKE BOOSTER
TSB Revision
BASIC BRAKE SYSTEM
35A-33
MASTER CYLINDER
M1351004200052
DISASSEMBLY AND ASSEMBLY
CAUTION
Do not disassemble the primary piston and secondary piston assembly.
AC000902
2
3
1
4
6
7
5
11
10
N
9
N
8
N
10
9
8
MASTER CYLINDER KIT
11
10
9
BRAKE FLUID: DOT 3 OR DOT 4
AC
<VEHICLES WITHOUT TCL>
DISASSEMBLY STEPS
1. RESERVOIR CAP ASSEMBLY
2. RESERVOIR CAP
3. DIAPHRAGM
4. BRAKE FLUID LEVEL INDICATOR
ASSEMBLY
5. SPRING PIN
6. RESERVOIR TANK
7. RESERVOIR SEAL
<<A>>
8. PISTON STOPPER RING
9. PRIMARY PISTON ASSEMBLY
10. SECONDARY PISTON ASSEMBLY
11. MASTER CYLINDER BODY
DISASSEMBLY STEPS (Continued)
MASTER CYLINDER ASSEMBLY AND BRAKE BOOSTER
TSB Revision
BASIC BRAKE SYSTEM
35A-34
DISASSEMBLY SERVICE POINT
<<A>> PISTON STOPPER RING DISASSEMBLY
Remove the piston stopper ring while depressing the piston.
INSPECTION
M1351004300059
•
Check the inner surface of master cylinder body for rust or
pitting.
•
Check the primary and secondary pistons for rust, scoring,
wear or damage.
•
Check the diaphragm for cracks and wear.
AC003756
2
3
1
4
6
7
5
12
11
N
10
N
8
N
11
10
9
MASTER CYLINDER KIT
12
11
10
BRAKE FLUID: DOT 3 OR DOT 4
AB
<VEHICLES WITH TCL>
9
8
DISASSEMBLY STEPS
1. RESERVOIR CAP ASSEMBLY
2. RESERVOIR CAP
3. DIAPHRAGM
4. BRAKE FLUID LEVEL INDICATOR
ASSEMBLY
5. SPRING PIN
6. RESERVOIR TANK
7. RESERVOIR SEAL
<<A>>
8. PISTON STOPPER RING
9. PLATE
10. PRIMARY PISTON ASSEMBLY
11. SECONDARY PISTON ASSEMBLY
12. MASTER CYLINDER BODY
DISASSEMBLY STEPS (Continued)
AC000903
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