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ABS Control Module and Hydraulic Control Unit (ABS CM & H/U): Removal

  1. Disconnect the ground cable from battery.
  2. Remove the air intake duct from engine compartment to facilitate removal of ABS CM & H/U.
  3. Use an air gun to get rid of water around the ABS CM & H/U.
    NOTE: Contact will be insufficient if the terminal gets wet.
  4. Remove the ground cable from ABS CM & H/U.
  5. Pull off the lock of ABS CM & H/U connector to remove it.
    Fig 1: Removing Ground Cable
    G00953176Courtesy of SUBARU OF AMERICA, INC.
  6. Disconnect the connector from ABS CM & H/U.
    CAUTION: Do not pull the harness when disconnecting the connector.
  7. Unlock the cable clip.
  8. Disconnect the brake pipes from ABS CM & H/U.
  9. Wrap the brake pipes with vinyl bag to avoid spilling brake fluid on vehicle body.
    CAUTION: Brake fluid split on the vehicle body will harm the painted surface; wash away quickly with water if split.
  10. Remove the ABS CM & H/U from engine compartment.
    CAUTION:
    • ABS CM & H/U cannot be disassembled. Do not attempt to loosen bolts and nuts.
    • Do not drop or bump the ABS CM & H/U.
    • Do not turn the ABS CM & H/U upside down or place it on its side.
    • Be careful to prevent foreign particles from getting into ABS CM & H/U.
    • Do not let water get into the connector.
    Fig 2: Removing ABSCM&H/U From Engine Compartment
    G00953177Courtesy of SUBARU OF AMERICA, INC.
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