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Abs HU/Cm Removal/Installation: Notes

CAUTION:
  • When replacing the ABS HU/CM, the configuration procedure must be done before removing the ABS HU/CM. If the configuration is not completed before removing the ABS HU/CM, ABS will not work properly after installation of the ABS HU/CM.
  • Do not separate the ABS HU and ABS CM unless replacing them, otherwise the ABS HU/CM may not function properly. When replacing them with new ones, always perform procedures according to the instructions included with the new parts.
  • The internal parts of the ABS HU/CM could be damaged if dropped. Be careful not to drop the ABS HU/CM. Replace the ABS HU/CM if it is subjected to an impact.
  1. Remove the battery and battery tray. (See BATTERY REMOVAL/INSTALLATION [L3] .)
  2. Remove the reserve hose (MTX vehicles). (See MASTER CYLINDER REMOVAL/INSTALLATION .)

    (See CLUTCH MASTER CYLINDER REMOVAL/INSTALLATION .)

  3. Remove the reserve tank hose. (See MASTER CYLINDER REMOVAL/INSTALLATION .)
  4. Remove in the order indicated in the table.
  5. Install in the reverse order of removal.
  6. After installation, add brake fluid, bleed the air, and inspect for fluid leakage. (See AIR BLEEDING .)
  7. Configurate the ABS HU/CM (only when replacing it). (See ABS CONFIGURATION .)
    Fig 1: ABS HU/CM Replacement Components With Torque Specifications
    G05545014Courtesy of MAZDA MOTORS CORP.