2012 Acura ZDXFACTORY OEM SERVICE PROCEDURE

VSA Modulator-Control Unit Removal and Installation: Installation

  1. Install the new rubber dampers (A) and the new grommet (B) to the VSA modulator-control unit (C) (otherwise, unwanted noise and vibration may be transmitted to the vehicle).
    Fig 1: Identifying VSA Modulator-Control Unit, Rubber Dampers And Grommet
    G08076152Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Install the VSA modulator-control unit on the bracket (D), then install the new locknuts (E).
  3. Install the VSA modulator-control unit (A) with the bracket (B) to the body, then install the VSA modulator-control unit bracket mounting bolts (C).
    Fig 2: Identifying VSA Modulator-Control Unit Bracket Mounting Bolts
    G08076153Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Align the connecting surface of the VSA modulator-control unit 46P connector (A) to the VSA modulator-control unit.
    Fig 3: Identifying Lever Of VSA Modulator-Control Unit 46P Connector
    G08076154Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Pull down the lever (B) of the VSA modulator-control unit 46P connector, then confirm the connector is fully seated.
  6. Connect the 10 mm brake lines and the 12 mm brake lines to the VSA modulator-control unit (A).
    NOTE: Brake lines are connected to the master cylinder (B), the right-front (C), the left-rear (D), the right-rear (E), and the left-front (F) brake systems.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.