Brake Booster Replacement

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

Remove the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION ).
Remove the master cylinder (see MASTER CYLINDER REPLACEMENT ).
Remove the brake lines (A) from the VSA modulator-control unit (B).

Fig 1: Identifying Brake Lines And VSA Modulator-Control Unit
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Disconnect the brake booster vacuum hose (C) from the brake booster.
Remove the driver's dashboard undercover (see DRIVER'S DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).
Remove the lock pin (A) and the joint pin (B), then disconnect the clevis from the brake pedal.

Fig 2: Lock Pin And Joint Pin With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the brake booster mounting nuts (C).
Remove the brake booster (A) from the engine compartment.
NOTE:
- Be careful not to damage the booster surfaces and threads of the booster studs.
- Be careful not to bend or damage the brake lines.
- Use the new brake booster gasket (B) during reassembly.
  
  Fig 3: Removing Brake Booster From Engine Compartment
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the brake booster in the reverse order of removal, and note these items:
- Install the master cylinder after installing the brake booster (see MASTER CYLINDER REPLACEMENT ).
- Check the brake pedal height and free play after installing the master cylinder, and adjust it if necessary (see BRAKE PEDAL AND BRAKE PEDAL POSITION SWITCH ADJUSTMENT ).
- Bleed the brake system (see BRAKE SYSTEM BLEEDING ).