Mitsubishi L200. Manual — part 414
MASTER CYLINDER ASSEMBLY AND BRAKE BOOSTER ASSEMBLY
BASIC BRAKE
35A-20
MASTER CYLINDER ASSEMBLY AND BRAKE BOOSTER
ASSEMBLY
REMOVAL AND INSTALLATION <LHD>
M1351003702663
MASTER CYLINDER AND BRAKE BOOSTER
Pre-removal Operation
Brake fluid draining
Post-installation Operation
• Brake fluid supplying and air bleeding (Refer to
).
• Brake pedal adjustment (Refer to
AC805356AB
5
6
<Vehicles without ABS>
14 ± 3 N·m
1
13 ± 2 N·m
7
2
15 ± 2 N·m
2
2
3
4
8
9
11
10
N
Removal steps
1.
Brake fluid level switch connector
connection
2.
Master cylinder and brake pipe
connection
>>
C
<<
•
Bleeding of master cylinder
assembly (only at installation)
3.
Master cylinder mounting nut
4.
Master cylinder assembly
>>
B
<<
•
Push rod protrusion amount check
and adjustment (only at installation)
>>
A
5.
Vacuum hose connection (with
built-in check valve)
6.
Hose clip
7.
Snap pin
8.
Pin assembly
9.
Brake booster mounting nut
10. Brake booster assembly
11. Sealer
Removal steps (Continued)
MASTER CYLINDER ASSEMBLY AND BRAKE BOOSTER ASSEMBLY
BASIC BRAKE
35A-21
VACUUM HOSE AND VACUUM PIPE
AC805357AB
1
2
2
3
4
5
7
6
8
Removal steps
>>
A
<<
1.
Vacuum hose (with built-in check
valve)
2.
Hose clip
3.
Vacuum hose
4.
Hose clip
5.
Vacuum pipe
6.
Vacuum hose
7.
Hose clip
8.
Vacuum pipe
INSTALLATION SERVICE POINTS
>>A<< VACUUM HOSE INSTALLATION
AC508346AB
Vacuum hose
(with built-in
check valve)
Install the vacuum hose and the clip so that the paint
mark on the vacuum hose and the clip are in the
position shown in the figure.
>>B<< PUSH ROD PROTRUSION AMOUNT
CHECK AND ADJUSTMENT
AC903695AB
A
A
Measuring distance A
<Vehicles without ASTC>
<Vehicles with ASTC>
Block gauge
1. Use the vacuum pump to measure dimension "A"
applying a negative pressure of 66.7 kPa to the
brake booster.
Standard value (A):
10.0
− 10.1 mm <Vehicles without ASTC>
MASTER CYLINDER ASSEMBLY AND BRAKE BOOSTER ASSEMBLY
BASIC BRAKE
35A-22
6.6
− 6.9 mm <Vehicles with ASTC>
NOTE: When a negative pressure of 66.7 kPa is
not applied to the brake booster, the push rod pro-
trusion amount (A) should be 9.0
−
9.1 mm <Vehi-
cles without ASTC> , 7.7
−
7.9 mm <Vehicles with
ASTC>.
AC903696
AB
MB991568
Angle-nose pliers
Rod spline
Rod spline
<Vehicles without ASTC>
<Vehicles with ASTC>
2. If the protrusion amount is not within the standard
value range, adjust the push rod length by turning
the push rod. Use the special tool push rod
adjusting socket (MB991568) to turn the push rod
while holding the rod spline with angle-nose
pliers.
>>C<< BLEEDING OF MASTER CYLINDER
ASSEMBLY
CAUTION
Be sure to use the specified brand and type of
brake fluid. Avoid mixing with other type of brake
fluid.
Brake fluid: DOT3 or DOT4
When removed the master cylinder assembly, bleed
the master cylinder in the following procedure to
make bleeding of the brake pipeline easier (When no
brake fluid is in the master cylinder).
1. Fill the brake fluid reservoir with the brake fluid.
2. Depress and hold the brake pedal.
AC000876
3. Another operator closes the master cylinder
outlets with his fingers.
4. In this condition, release the brake pedal.
5. Repeat Steps 2 to 4 for 3 or 4 times to fill the
master cylinder with the brake fluid.
MASTER CYLINDER ASSEMBLY AND BRAKE BOOSTER ASSEMBLY
BASIC BRAKE
35A-23
REMOVAL AND INSTALLATION <RHD>
M1351003702674
MASTER CYLINDER AND BRAKE BOOSTER
Pre-removal Operation
Brake Fluid Draining
Post-installation Operation
• Brake Fluid Supplying and Air Bleeding (Refer to
).
• Brake Pedal Adjustment (Refer to
AC805358AB
14 ± 3 N·m
1
13 ± 2 N·m
9
2
2
3
2
4
5
6
7
8
10
11
13
12
N
<Vehicles without ABS>
2
15 ± 2 N·m
Removal steps
1.
Brake fluid level switch connector
connection
2.
Master cylinder and brake pipe
connection
3.
Hydraulic unit assembly and brake
pipe connection <vehicles with
ABS>
4.
Brake pipe assembly <vehicles with
ABS>
>>
C
<<
•
Bleeding of master cylinder
assembly (only at installation)
5.
Master cylinder mounting nut
6.
Master cylinder assembly
>>
B
•
Push rod protrusion amount check
and adjustment (only at installation)
>>
A
7.
Vacuum hose connection (with
built-in check valve)
8.
Hose clip
9.
Snap pin
10. Pin assembly
11. Brake booster mounting nut
12. Brake booster assembly
13. Sealer
Removal steps (Continued)
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