Anti-Lock Braking System Control Module: Replacement
- Lower ECU onto the HCU and tighten its bolts to specification.
- Tightening torque: 1.3-1.4 ft. lbs (1.7-1.9 N.m, 0.18-1.2 kgf. m)
- Carefully place HECU to the HECU bracket.
- Tighten the mounting pin and grommet to the HECU bracket.
- Tightening torque: 5.8-7.2 ft. lbs (7.8-9.8 N.m, 0.8-1 kgf. m)
- Reconnect six brake lines. Be certain that the four outlet lines have been connected to the correct ports. Tighten the nuts to specification.
- Tightening torque: 9.4-15.9 ft. lbs (12.8-21.6 N.m, 1.3-2.2 kg. m)
NOTE: When installing the brake pipe lines on the HCU valve block, they must be located correctly in the valve block to ensure proper ABS operation. - Connect the ECU harness connector to ECM assembly.
- Bleed the base brakes.
- Road test vehicle to ensure proper operation of the base and ABS systems.