Mitsubishi Montero Sport (2004+). Manual — part 797
HYDRAULIC UNIT
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS) <RWD>
35B-69
HYDRAULIC UNIT
REMOVAL AND INSTALLATION
M1352008600497
NOTE: The ABS-ECU is integrated with the hydraulic
unit.
REMOVAL SERVICE POINTS
.
<<A>> HARNESS CONNECTOR REMOVAL
Turn the lock lever in the direction shown in the illustration, and
remove the harness.
.
Pre-removal Operation
• Brake Fluid Draining
Post-installation Operation
• Brake Fluid Filling
• Brake Line Bleeding (Refer to
AC004912 AB
15 N·m
11 ft-lb
2
1
3
4
REMOVAL STEPS
>>A<<
1. BRAKE TUBE
<<A>>
2. HARNESS CONNECTOR
3. BRACKET ASSEMBLY
<<B>>
4. HYDRAULIC UNIT
REMOVAL STEPS (Continued)
AC004914 AB
LOCK LEVER
HYDRAULIC UNIT
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS) <RWD>
35B-70
<<B>> HYDRAULIC UNIT REMOVAL
WARNING
The hydraulic unit is heavy. Use care when removing
it.
CAUTION
• The hydraulic unit cannot be disassembled. Never
loosen its nuts or bolts.
• Do not drop or shock the hydraulic unit.
• Do not turn the hydraulic unit upside down or lay it on
its side.
INSTALLATION SERVICE POINT
.
>>A<< BRAKE TUBE INSTALLATION
Connect the tubes to the hydraulic unit as shown in the illustra-
tion.
1. Master cylinder <Front system>
2. Master cylinder <Rear system>
3. Rear brake
4. Front brake <RH>
5. Front brake <LH>
AC103740 AB
1
2
3
4
5
WHEEL SPEED SENSOR
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS) <RWD>
35B-71
WHEEL SPEED SENSOR
REMOVAL AND INSTALLATION
M1352008300571
Post-installation Operation
• Wheel Speed Sensor Output Voltage Measurement
(Refer to
AC309308 AB
<FRONT>
<REAR>
2
1
3
4
5
N
FRONT WHEEL SENSOR
REMOVAL STEPS
<<A>>
1. FRONT SPEED SENSOR
2. FRONT ABS ROTOR (REFER TO
GROUP 26, FRONT HUB
ASSEMBLY
.)
REAR WHEEL SENSOR
REMOVAL STEPS
<<A>>
3.
REAR SPEED SENSOR
4.
O-RING
5.
REAR ABS ROTOR (REFER TO
GROUP 27, AXLE SHAFT
WHEEL SPEED SENSOR
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS) <RWD>
35B-72
REMOVAL SERVICE POINT
.
<<A>> FRONT SPEED SENSOR/REAR SPEED SENSOR
REMOVAL
CAUTION
Be careful when handling the projection at the tip of the
speed sensor and the toothed edge of the ABS rotor so as
not to damage them by contacting other parts.
INSPECTION
M1352008400471
.
SPEED SENSOR CHECK
1. Check whether any metallic foreign material has adhered to
the projection at the speed sensor tip. Remove any foreign
material. Also check whether the pole piece is damaged.
Replace it with a new one if it is damaged.
NOTE: The projection can become magnetized due to the
magnet inside the speed sensor, causing foreign material to
easily adhere to it. The projection may not be able to cor-
rectly sense the wheel rotation speed if foreign matter is on
it or if it is damaged.
2. Measure the resistance between the speed sensor
terminals.
Standard value: 1.0
− 1.5 kΩ
3. If the internal resistance of the speed sensor is not within the
standard value, replace it with a new speed sensor.
4. Remove all connections from the speed sensor. The circuit
should be open between terminals (1) and (2) and the body
of the speed sensor. If the circuit is not open, replace with a
new speed sensor.
5. Check the speed sensor cable for breakage, damage or
disconnection. Replace with a new one if a problem is found.
NOTE: When checking for cable damage, remove the cable
clamp part from the body and then gently bend and pull the
cable near the clamp.
.
AC000960
PROJECTION
AB
AC000960
PROJECTION
AB
ACX01119 AB
REAR SIDE
FRONT SIDE
ACX01120 AB
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