Hydraulic Control Assembly - Antilock Brakes: Service and Repair
ABS Hydraulic Unit/Control Module Assembly Removal and Installation
CAUTION: Never disassemble ABS hydraulic unit/control module assembly, loosen blind plug or remove motor. Performing any of these prohibited services will affect original performance of ABS hydraulic unit/control module assembly.
On-Vehicle Inspection
CAUTION: Never disassemble ABS hydraulic unit/control module assembly, loosen blind plug or remove motor. Performing any of these prohibited services will affect original performance of ABS hydraulic unit/control module assembly.
Check hydraulic unit for fluid leakage.
If any, repair or replace
Removal
CAUTION: Never disassemble ABS hydraulic unit/control module assembly, loosen blind plug or remove motor. Performing any of these prohibited services will affect original performance of ABS hydraulic unit/control module assembly.
NOTE: Before removal, inspect the parts.
1. Disconnect negative cable from battery.
2. Disconnect ABS hydraulic unit/control module assembly connector (1) by pulling up lock (2).
3. Using special tool, loosen flare nuts (1) and disconnect brake pipes (2) from ABS hydraulic unit/control module assembly (3).
Special tool: (A): 09950-78220
NOTE: Put bleeder plug cap or the like onto pipe to prevent fluid from spilling. Do not allow brake fluid to get on painted surfaces.
4. Remove two bolts and disconnect take out ABS hydraulic unit/control module assembly (1) from bracket using flat end rod or the like (2)
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/control module assembly by reversing removal procedure.
Tightening torque
Brake pipe flare nut (a): 16 Nm (1.6 kgf-m, 11.5 ft. lbs.)
ABS hydraulic unit/control module assembly bolt (b): 9 Nm (0.9 kgf-m, 6.5 ft. lbs.)
ABS hydraulic unit/control module assembly bracket bolt (c): 23 Nm (2.3 kgf-m, 16.5 ft. lbs.)
2. Bleed air from brake system.
3. Check each installed part for fluid leakage and perform "ABS Hydraulic Unit Operation Check:
NOTE: For new ABS hydraulic unit/control module assembly, if "ABS Hydraulic Unit Operation Check:" procedure has not been performed, "ABS" warning lamp may flash when ignition switch is turned ON position. Accordingly perform "ABS Hydraulic Unit Operation Check: " to stop flashing of ABS warning lamp.