Hydraulic Control Assembly - Antilock Brakes: Service and Repair

ABS HYDRAULIC UNIT/CONTROL MODULE ASSEMBLY

HYDRAULIC UNIT INSPECTION
Check hydraulic unit for fluid leakage. If any, repair or replace.

REMOVAL





1. Disconnect negative cable from battery.
2. Using special tool, disconnect brake pipes from ABS hydraulic unit/control module assembly and loosen flare nuts as shown figure.

Special Tool
(A): 09950-78210

NOTE: Put bleeder plug cap onto pipe to prevent fluid from spilling. Do not allow brake fluid to get on painted surfaces.





3. Disconnect ABS hydraulic unit/control module assembly connector.





4. Remove three nuts and take out ABS hydraulic unit/control module assembly from bracket.

CAUTION:
^ Do not give an impact to hydraulic unit.
^ Use care not to allow dust to enter hydraulic unit.
^ Do not place hydraulic unit on its side or upside down. Handling it in inappropriate way will affect its original performance.

INSTALLATION





1. Install hydraulic unit by reversing removal procedure.

Tightening Torque
(a): 16 Nm (1.6 kg-m, 12.0 ft. lbs.)
(b): 21 Nm (2.1 kg-m, 15.5 ft. lbs.)

2. Bleed air from brake system.
3. Check each installed part for fluid leakage and perform hydraulic unit operation check.