Brake Booster: Installation

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Check and adjust the operating rod of the brake booster.
Specification L:

136.3 mm (5.37 in)

If it is out of specification, adjust it with the brake booster operating rod.

Fig 1: Brake Booster Operating Rod Length Specification
Courtesy of SUBARU OF AMERICA, INC.
Mount the brake booster in position.
Install clevis pin and snap pin which secure the operating rod to the brake pedal.

Fig 2: Nut, Snap Pin, Clevis Pin, Operating Rod And Brake Pedal
Courtesy of SUBARU OF AMERICA, INC.
NOTE:
- Replace with a new clevis pin.
- Apply a thin coat of KOPR-KOTE (Part No. 003603001) to the clevis pin.
Connect the vacuum hose to the brake booster.
After replacing the O-ring, install the master cylinder to brake booster.

Fig 3: Locating Primary Piston And O-Ring
Courtesy of SUBARU OF AMERICA, INC.
Connect the brake pipes to the master cylinder.
Connect the connector of the brake fluid level gauge.
Apply grease to the operating rod connecting pin to prevent it from wear.
Bleed air from the brake system. < Ref. to PROCEDURE , Air Bleeding . >
Perform a road test to make sure the brakes do not drag.