VSA Modulator-Control Unit Removal and Installation: Installation

2003 Acura MDX TouringSECTION Installation
  1. Install the VSA modulator-control unit on the bracket with three 6 mm bolts.
  2. Install the VSA modulator-control unit/bracket, then tighten the three 6 mm nuts.
  3. Reconnect the six brake lines, then tighten the flare nuts.
  4. Align the connecting surface of the VSA modulator-control unit 47P connector.
  5. Push in the lock of the VSA modulator-control unit 47P connector until you hear it click into place, then confirm the connector is fully seated.
  6. Bleed the brake system, starting with the front wheels (see BRAKE SYSTEM BLEEDING ).
  7. Do VSA sensor neutral position memorization (see VSA SENSOR NEUTRAL POSITION MEMORIZATIONΒ  ).
  8. Start the engine, and check that the ABS and VSA indicator goes off.
  9. Test-drive the vehicle, and check that the ABS and VSA indicator does not come on.
  10. If the brake pedal is now spongy, there may be air trapped in the modulator and then induced into the normal brake system during modulation. Bleed the brake system again, starting with the front wheels (see BRAKE SYSTEM BLEEDING ).
RENDER: 1.0x

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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.