Brake Booster Replacement

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 Honda Crosstour, 2014 Honda Crosstour, 2013 Honda Crosstour, 2012 Honda Crosstour, and 2011 Honda Accord Crosstour. However, it is still accessible from the selected car via links, so may be relevant.

Do the battery terminal disconnection procedure (see BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).
Remove the master cylinder (see MASTER CYLINDER REPLACEMENT ).
Remove the cowl cover (see COWL COVER REPLACEMENT ).
Remove the upper cover (A), then remove the two positive (+) terminals (B).

Fig 1: Upper Cover, Under-Hood Fuse/Relay Box Mounting Nut, Clip And Under-Hood Fuse/Relay Box With Torque Specification
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the under-hood fuse/relay box mounting nut (C) and release the clip (D), then move the under-hood fuse/relay box (E) aside.
Disconnect the brake booster vacuum hose (A) from the brake booster.

Fig 2: Identifying Brake Booster Vacuum Hose
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the under-hood fuse/relay box bracket (A), then remove the engine wire harness clamps (B) and brake booster vacuum hose clamp (C).

Fig 3: Under-Hood Fuse/Relay Box Bracket, Engine Wire Harness Clamps And Brake Booster Vacuum Hose Clamp With Torque Specification
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the brake lines (A) from the brake line clamp (B).

Fig 4: Identifying Brake Lines And Brake Line Clamp
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the driver's dashboard undercover (see DRIVER'S DASHBOARD UNDERCOVER REMOVAL/INSTALLATION ).
Remove the lock pin (A) and the clevis pin (B), then disconnect the yoke from the brake pedal.

Fig 5: Lock Pin, Clevis Pin And Brake Booster Mounting Nuts 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 brake booster mounting surfaces and the threads On the booster studs.
- Be careful not to bend or damage the brake lines.
- Use the new brake booster gasket (B) during reassembly.
  
  Fig 6: 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 ).
Do the battery terminal reconnection procedure (see BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).