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Abs Control Module And Hydraulic Control Unit (ABSCM & H/U): Removal

  1. Disconnect the ground terminal from battery.
  2. Remove the air intake duct from engine compartment to facilitate removal of ABSCM & H/U.
  3. Use an air gun to get rid of water around the ABSCM & H/U.
    CAUTION: The contact will be insufficient if the terminal gets wet.
  4. Pull off the lock of the ABSCM & H/U connector to remove it.
    Fig 1: Removing Lock Of ABSCM & H/U Connector
    G02867348Courtesy of SUBARU OF AMERICA, INC.
  5. Disconnect the connector from ABSCM & H/U.
    CAUTION: Be careful not to let water or other foreign matter contact the ABSCM & H/U terminal.
  6. Unlock the cable clip.
  7. Disconnect the brake pipes from ABSCM & H/U.
    CAUTION: Wrap the brake pipes with vinyl bag to avoid spilling brake fluid on vehicle body.
  8. Remove the ABSCM & H/U from engine compartment.
CAUTION:
  • ABSCM & H/U cannot be disassembled. Do not attempt to loosen the bolts and nuts.
  • Do not drop or bump the ABSCM & H/U.
  • Do not turn the ABSCM & H/U upside down or place it on its side.
  • Be careful to prevent foreign particles from getting into the ABSCM & H/U.
  • Apply a coat of rust-preventive wax (Nippeco LT or GB) to bracket attaching bolt after tightening.
  • Do not pull the harness when disconnecting connector.
    Fig 2: Identifying Bracket Attaching Bolts
    G02867349Courtesy of SUBARU OF AMERICA, INC.
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