Repair Procedures

Removal

1. Turn ignition switch OFF.
2. Pull up the lock of the HECU connector (A), and then disconnect the connector.




3. Remove the brake fluid from the master cylinder reservoir with a syringe.

CAUTION:
- Be sure to completely remove foreign substances from around brake fluid reservoir and cap before opening the reservoir cap. If not, it may cause contamination of brake fluid and deterioration in braking performance.
- Do not spill brake fluid on the vehicle, it may damage the paint; if brake fluid does contact the paint, wash it off immediately with water.

4. Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner.

Tightening torque:
M11: 12.7 - 16.7 N.m (1.3 - 1.7 kgf.m, 9.4 - 12.3 lb-ft)
M14: 18.6 - 22.6 N.m (1.9 - 2.3 kgf.m, 13.7 - 16.6 lb-ft)




5. Loosen the HECU bracket nuts (A), then remove HECU and bracket.

Tightening torque:
16.7 - 25.5 N.m (1.7 - 2.6 kgf.m, 12.3 - 18.8 lb-ft)





CAUTION:
- Never attempt to disassemble the HECU.
- The HECU must be transported and stored in.
- Never shock to the HECU.

6. Remove the 3 bolts, and then remove the bracket from HECU.

Tightening torque:
11 - 14 N.m (1.1 - 1.4 kgf.m, 8.1 - 10.3 lb-ft)

Installation

1. Installation is the reverse of removal.
2. Tighten the HECU mounting bolts and nuts to the specified torque.
3. After installation, bleed the brake system.