Brake Booster Replacement

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Brake Lines Of VSA Modulator-Control Unit With Torque Specification
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 UNDERCOVER REMOVAL/INSTALLATION ).
Remove the lock pin (A) and the joint pin (B), then disconnect the yoke from the brake pedal.

Fig 2: Lock Pin, Joint Pin And Brake Pedal With Torque Specification
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 stud bolts.
- Be careful not to bend or damage the brake lines.
  
  Fig 3: Identifying Brake Booster Of Engine Compartment
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the brake booster in the reverse order of removal, and note these items:
- Adjust the pushrod clearance before installing the brake booster (see BRAKE BOOSTER PUSHROD CLEARANCE ADJUSTMENT ).
- 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 ).