Acura RL (1996-2004 year). Manual — part 559
VSA Modulator-Control Unit
Removal/Installation
NOTE:
Do not spill brake fluid on the vehicle; it may damage the paint; if brake fluid does contact the paint, wash it off imme-
diately with water.
Take care not to damage or deform the brake lines during removal and installation.
To prevent the brake fluid from flowing, plug and cover the hose ends and joints with a shop towel or equivalent material.
Removal
1. Disconnect the pressure sensor 3P connector.
2. Pull the locking lever of the VSA control unit 42P connec-
tor up, then disconnect the connector.
3. Disconnect the six brake lines.
4. Remove the two 8 mm nuts.
5. Remove the VSA modulator-control unit.
Installation
1. Install the VSA modulator-control unit, then tighten the
two 8 mm nuts.
2. Align the connecting surfaces of the VSA control unit 42P
connector.
3. Push the locking lever of the VSA control unit 42P connec-
tor down until you hear a click.
4. Connect the pressure sensor 3P connector.
5. Connect the six brake lines.
6. Perform the precharge brake line bleeding (see page 19-
271).
7. Bleed the brake system, starting with the front wheels.
8. Start the engine, and check that the ABS indicator goes
off.
9. Test-drive the vehicle, and check that the ABS indicator
does not come on.
To right-rear
To left-rear
PRESSURE SENSOR
3P CONNECTOR
VSA MODULATOR
CONTROL UNIT
LOCKING LEVER
VSA CONTROL UNIT
42P CONNECTOR
To right-front
To left-front
FLARE NUT
15 N-m (1.5 kgf-m, 11 Ibf-ft)
MOUNTING BOLT
VSA CONTROL UNIT 42P CONNECTOR
8 mm BOLT
22 N-m (2.2 kgf-m, 16 Ibf-ft)
8 mm NUT
9 N-m (0.9 kgf-m, 7 Ibf-ft)
RUBBER MOUNT
BRACKET
Main Menu
Table of Contents
Precharge Pump Motor
Removal/Installation
NOTE:
Do not spill brake fluid on the vehicle; it may damage the paint; if brake fluid does contact the paint, wash it off imme-
diately with water.
Take care not to damage or deform the brake lines during removal and installation.
To prevent the brake fluid from flowing, plug and cover the hose ends and joints with a shop towel or equivalent material.
Removal
1. Disconnect the precharge pump motor 2P connector.
2. Disconnect the brake line and the brake hose from the precharge pump motor.
3. Remove the three 6 mm bolts from the precharge pump motor, then remove the precharge pump motor with bracket.
4. Remove the two 6 mm bolts and 8 mm nut, then remove the precharge pump motor.
Installation
1. Install the precharge pump motor on the bracket, then tighten the two 6 mm bolts and the 8 mm nut.
2. Install the precharge pump motor with bracket, then tighten the three 6 mm bolts.
3. Connect the brake line and the brake hose on the precharge pump motor.
4. Perform the precharge brake line bleeding (see page
).
5. Bleed the brake system, starting with the front wheels.
6. Start the engine, and check that the ABS indicator goes off.
7. Test-drive the vehicle, and check that the ABS indicator does not come on.
6 mm BOLT
9.8 N-m (1.0 kgf-m, 7.2 Ibf-ft)
BRAKE HOSE
8 mm NUT
13 N-m (1.3 kgf-m, 9.4 Ibf-ft)
BRAKE LINE
FLARE NUT
15 N-m 11.5 kgf-m, 11 Ibf-ft)
PRECHARGE PUMP MOTOR
RUBBER MOUNT
MOUNTING BOLT
PRECHARGE PUMP MOTOR
2P CONNECTOR
BRACKET
Main Menu
Table of Contents
Precharge Brake Line Bleeding
1. Connect the SCS service connector to the service check connector (2P) under the glove box.
2. Press the parking brake pedal.
3. Press the VSA off switch, and hold it.
4. Turn the ignition switch ON (II).
5. Release the VSA off switch after the VSA activation indicator goes off twice.
6. Press the VSA off switch after the VSA activation indicator comes on.
7. Release the VSA off switch after the VSA activation indicator goes off.
8. Press the VSA off switch after the VSA activation indicator starts blinking.
9. Release the VSA off switch after the VSA activation indicator stops blinking.
10. Turn the ignition switch OFF, then repeat steps 2 through 10 for 4 times.
Main Menu
Table of Contents
TCS Control Valve Assembly
Replacement
CAUTION: Be careful not to damage the TCS control valve when handling the TCS control valve assembly.
1. Disconnect the vacuum tube, breather pipe, and air hose from the intake air duct.
2. Loosen the intake air duct band screws, then remove the intake air duct.
BREATHER PIPE
AIR HOSE
NOTE: When installing the duct,
align the marks.
NOTE: When installing the duct,
align the cutout with the mark.
VACUUM TUBE
INTAKE AIR DUCT
BAND SCREW
INTAKE AIR DUCT
3. Disconnect the TCS control valve angle sensor connector and actuator connector.
4. Remove the TCS control valve assembly and bracket.
5. Install the TCS control valve assembly in the reverse order of removal.
TCS CONTROL VALVE ANGLE
SENSOR CONNECTOR
6 x 1.0 mm BOLT
12 N-m (1.2 kgf-m, 9 Ibf-ft)
TCS CONTROL VALVE
ACTUATOR CONNECTOR
TCS CONTROL VALVE
ASSEMBLY
8 x 1.25 mm NUT
22 N-m (2.2 kgf-m, 16 Ibf-ft)
BRACKET
8 x 1.25 mm BOLT
22 N-m (2.2 kgf-m, 16 Ibf-ft)
Main Menu
Table of Contents
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