Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Acura MDXFACTORY OEM SERVICE PROCEDURE
VSA Modulator-Control Unit Removal and Installation: Removal
- Turn the ignition switch to LOCK (0).
- Remove the air cleaner box (see AIR CLEANER REMOVAL/INSTALLATION ).
- Disconnect the VSA modulator-control unit 46P connector (A) by pulling up the lock (B); the connector disconnects itself.
- Disconnect the six brake lines from the VSA modulator-control unit.NOTE: Brake lines are connected to the master cylinder (C) and to the right-front (D), the left-rear (E), the right-rear (F), and the left-front (G) brake systems.
- Remove the VSA modulator-control unit (H) with the bracket (I) from the body.
- Remove the locknuts (J), then remove the VSA modulator-control unit from the bracket.NOTE: During installation, install a new bushing (K) and new grommets (L). Otherwise, unwanted noise and vibration may be transmitted to the vehicle.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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