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Home >> Kia >> 2004 >> Optima EX, 2.4 6 >> Repair and Diagnosis (Single Page) >> Brakes >> Abs/TCS (Anti-Lock Brake System & Traction Control) >> Anti-Lock Brake System (Abs) >> Anti-Lock Braking System Control Module >> Removal
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Anti-Lock Braking System Control Module: Removal

  1. Disconnect the Hydraulic and Electronic Control Unit (HECU) connector.
    Fig 1: Disconnecting Hydraulic & Electronic Control Unit (HECU) Connector
    G00326102Courtesy of KIA MOTORS AMERICA, INC.
  2. Disconnect the brake tubes from the HECU.
    Fig 2: Disconnecting Brake Tubes From Hydraulic & Electronic Control Unit (HECU)
    G00326103Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove the HECU bracket mounting bolt and remove the HECU.
    CAUTION:
    • Never attempt to disassemble the HECU.
    • The HECU must be transported and stored in upright position and with sealed ports. The HECU must not be drained.
    • It will cause the HECU to fail if you don't keep.