Electric Brake Booster Model

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Install a new cylinder seal assembly to the master cylinder assembly.
CAUTION:
Be careful not to install the cylinder seal assembly (a) in the wrong location.

Courtesy of SUBARU OF AMERICA, INC.
Use a bolt and a new nut to install the master cylinder assembly.
Tightening torque:

Flange bolt: 18 N.m (1.8 kgf-m, 13.3 ft-lb)

Nut: 20 N.m (2.0 kgf-m, 14.8 ft-lb)
Install the pipe assembly front ABS.
CAUTION:
Be careful not to make scratches or other damage to the inside surface of the brake pipe flare.
1. Turn and tighten the flare nut (b) by hand while pushing the pipe assembly front ABS (a) away from yourself.
2. Tighten the flare nut (b) using a flare nut wrench and a crowfoot wrench.
NOTE:
If the work can be performed with the front and back sides reversed, it is also possible to use a 6-point crowfoot wrench.

Courtesy of SUBARU OF AMERICA, INC.

Tightening torque:

Calculation formula

T = 19 N.m (1.9 kgf-m, 14.0 ft-lb) x L1/(L1 + L2)

T: Reading of the torque wrench

L1: Effective length of the torque wrench

L2: Effective length of the crowfoot wrench

NOTE:
If the effective length of the tool used is unknown, consult the manufacturer of the tool.

Courtesy of SUBARU OF AMERICA, INC.
Connect the level indicator connector.
Install the engine control module (ECM). Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>ENGINE CONTROL MODULE (ECM)>INSTALLATION .
Bleed air from the brake system. Ref. to BRAKE>AIR BLEEDING>PROCEDURE .
Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .