Mitsubishi Galant (2004+). Manual — part 541
HYDRAULIC UNIT
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-109
HYDRAULIC UNIT
REMOVAL AND INSTALLATION
M1352008600464
NOTE: The ABS-ECU is integrated in the hydraulic unit.
Pre-removal Operation
• Strut Tower Bar Removal (Refer to GROUP 42, Strut
Tower Bar
).
• Brake Fluid Draining
Post-installation Operation
• Brake Fluid Filling
• Brake Line Bleeding (Refer to GROUP 35A, On-vehicle
Service
− Bleeding
• Hydraulic Unit Check (Refer to
).
• Strut Tower Bar Installation (Refer to GROUP 42, Strut
Tower Bar
).
AC306183AB
15 ± 2 N·m
12 ± 1 ft-lb
4
5
2
3
1
2
3
2
REMOVAL STEPS
•
POWER STEERING OIL
RESERVOIR (REFER TO GROUP
37A, POWER STEERING HOSES
). <3.8L ENGINE>
•
HARNESS CONNECTORS
AROUND THE ABS-ECU <3.8L
ENGINE>
•
HARNESS CLAMPS AROUND THE
ABS-ECU <3.8L ENGINE>
•
CONNECTOR BRACKETS AROUND
THE ABS-ECU <3.8L ENGINE>
<<A>>
1. ABS-ECU HARNESS CONNECTOR
>>A<<
2. BRAKE TUBE CONNECTION
3. ABS EQUIPMENT BOLT AND NUTS
<<B>>
4. BRAKE MODULATOR HYDRAULIC
UNIT (HYDRAULIC UNIT AND
ABS-ECU)
5. BRAKE HYDRAULIC UNIT
BRACKET
REMOVAL STEPS (Continued)
HYDRAULIC UNIT
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-110
REMOVAL SERVICE POINTS
.
<<A>> ABS-ECU HARNESS CONNECTOR DISCONNEC-
TION
Move the lock lever of the ABS-ECU connector as shown in the
illustration, and then disconnect the harness connector.
.
<<B>> BRAKE MODULATOR HYDRAULIC UNIT
(HYDRAULIC UNIT AND ABS-ECU) 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.
Remove the hydraulic unit as shown, taking care not to dam-
age surrounding components such as the flexible suction hose
<3.8L engine>.
AC304742
AB
LOCK LEVER
AC211808 AC
BRAKE MODULATOR
HYDRAULIC UNIT
(HYDRAULIC UNIT
AND ABS-ECU)
FLEXIBLE SUCTION HOSE
<3.8L ENGINE>
HYDRAULIC UNIT
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-111
INSTALLATION SERVICE POINT
.
>>A<< BRAKE TUBE CONNECTION
Connect the tubes to the hydraulic unit assembly as shown in
the illustration.
1. To the front brake (LH)
2. To the rear brake (RH)
3. To the rear brake (LH)
4. To the front brake (RH)
5. From the master cylinder (secondary)
6. From the master cylinder (primary)
AC210718AC
6
5
2
3
1
4
WHEEL SPEED SENSOR
TSB Revision
ANTI-LOCK BRAKING SYSTEM (ABS)
35B-112
WHEEL SPEED SENSOR
REMOVAL AND INSTALLATION
M1352008300548
NOTE: Front wheel speed rotors are integrated with
the BJ assembly of the drive shaft and cannot be dis-
assembled.
NOTE: Rear wheel speed rotors are integrated with
the rear hub assembly and cannot be disassembled.
Post-installation Operation
• Wheel Speed Sensor Output Voltage Measurement
AC306191AB
<FRONT>
<REAR>
1
2
4
3
4
<RH>
<LH>
FRONT WHEEL SPEED SENSOR
REMOVAL STEPS
•
SPLASH SHIELD (REFER TO
GROUP 42, FENDER
).
<<A>>
1.
FRONT WHEEL SPEED SENSOR
2.
FRONT WHEEL SPEED ROTOR
(REFER TO GROUP 26,
DRIVESHAFT ASSEMBLY
).
REAR WHEEL SPEED SENSOR
REMOVAL STEPS
<<A>>
3.
REAR WHEEL SPEED SENSOR
4.
REAR WHEEL SPEED ROTOR
(REFER TO GROUP 27, REAR
AXLE HUB ASSEMBLY
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