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Home >> Subaru >> 2018 >> Impreza Base, 4D Sedan, Automatic CVT Trans >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Dynamics Control (VDC) System >> VDC Control Module And Hydraulic Control Unit (VDCCM & H/U) >> Removal

VDC Control Module And Hydraulic Control Unit (VDCCM & H/U): Removal

CAUTION:
  1. Disconnect the ground cable from battery. Ref. to REPAIR CONTENTS>NOTE>BATTERY>GROUND TERMINAL REMOVAL OR INSTALLATION.
  2. Move the air intake boot. Ref. to INTAKE (INDUCTION) (H4DO)>Air Intake Boot>REMOVAL .
    NOTE: With the PCV hose connected, remove the air intake boot from the air cleaner case (rear) and throttle body.
  3. Remove the VDC control module & hydraulic control unit (VDCCM & H/U).
    CAUTION:
    • Do not pull on the harness when disconnecting the connector.
    • Wrap the brake pipe with a vinyl bag so as not to spill the brake fluid on the painted surface of the vehicle body.
    • If brake fluid is spilled on the painted surface of the vehicle body, wash it off immediately with water and wipe clean.
    1. Remove any dirt from around the VDCCM & H/U.
    2. Pull up the lock lever (b) while pressing the lock button (a) and disconnect the VDCCM & H/U connector.
      Fig 1: Locating Connector Lock Button And Lock Lever
      G11255143Courtesy of SUBARU OF AMERICA, INC.
    3. Separate each brake pipe using a flare nut wrench.
      Fig 2: Locating Brake Pipe Flare Nut
      G11255144Courtesy of SUBARU OF AMERICA, INC.
    4. Remove the bolts and remove the bracket - hydraulic unit and VDCCM & H/U.
      Fig 3: Removing Bolts And Bracket
      G11255145Courtesy of SUBARU OF AMERICA, INC.