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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Dynamics Control (VDC) System >> VDC Control Module and Hydraulic Control Unit (VDCCM&H/U) >> Removal
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VDC Control Module and Hydraulic Control Unit (VDCCM&H/U): Removal

CAUTION:
  • Avoid unnecessary removal of parts in order to prevent fluid leakage.
  • When the VDCCM&H/U components are removed, be sure to perform the installation according to the installation procedures. < Ref. to INSTALLATION , VDC Control Module and Hydraulic Control Unit (VDCCM&H/U). >
  1. Disconnect the ground cable from battery. < Ref. to BATTERY , NOTE, Note. >
    NOTE: For models other than STI model, disconnect the ground terminal from battery sensor.
  2. Remove the power steering control module. (Except for STI model) < Ref. to REMOVAL , Power Steering Control Module. >
  3. Remove the engine control module (ECM). (Except for STI model) < Ref. to REMOVAL , Engine Control Module (ECM). >
  4. Remove the chamber assembly. (STI model) < Ref. to REMOVAL , Chamber Assembly. >
  5. 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. Remove the power steering control module. (Except for STI model) < Ref. to REMOVAL , Power Steering Control Module. >
    3. Remove the nuts, and remove the bracket (a) from the bracket - connector front. (Except for STI model)
      Fig 1: Locating Bracket And Nut Of Bracket - Connector Front
      G10297671Courtesy of SUBARU OF AMERICA, INC.
    4. Pull up the lock lever (b) while pressing the lock button (a) and disconnect the VDCCM&H/U connector.
    5. Separate each brake pipe using a flare nut wrench.
      Fig 2: Pulling Up Lock Lever
      G10269882Courtesy of SUBARU OF AMERICA, INC.
    6. Remove the bolts, and remove the bracket (a) and hose (b) from the bracket - hydraulic unit. (Models with EyeSight)
      Fig 3: Identifying Bracket And Hose With Bolt
      G10297673Courtesy of SUBARU OF AMERICA, INC.
    7. Remove the bolts and nuts, and remove the bracket - hydraulic unit and the VDCCM&H/U.
      Fig 4: Identifying Bolts And Nuts Of Bracket - Hydraulic Unit And VDCCM&H/U
      G10297674Courtesy of SUBARU OF AMERICA, INC.
    8. Remove the bolts, and remove the VDCCM&H/U (a) from the bracket - hydraulic unit (b).
      Fig 5: Identifying VDCCM&H/U With Bolts
      G10269884Courtesy of SUBARU OF AMERICA, INC.
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