Except For The Electronic Parking Brake 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.

NOTE:

Before installation, remove mud, foreign matter, and rust from the caliper body and support rear disc brake.

Check each part. Ref. to BRAKE>FRONT DISC BRAKE ASSEMBLY>INSPECTION .
Apply a thin coat of grease to the support rear disc brake.
Preparation items:

Grease: An item contained in the pad kit, DOW CORNING TORAY Molykote M7439 or equivalent

Courtesy of SUBARU OF AMERICA, INC.
Apply a thin coat of grease to the pad clip.
Preparation items:

Grease: An item contained in the pad kit, DOW CORNING TORAY Molykote M7439 or equivalent

Courtesy of SUBARU OF AMERICA, INC.
Install the pad clip.
Use new mounting bolts to install the support rear disc brake.
Tightening torque:

73 N.m (7.4 kgf-m, 53.8 ft-lb)
Press back the piston disc brake with a disc brake piston tool.
CAUTION:
When pressing back the piston disc brake, the clearance between pad disc brake and brake disc becomes large, which makes the brake pedal effort softer.

After the installation of rear wheel, be sure to perform the adjustment of the clearance and the pedal effort by depressing the brake pedal several times.

NOTE:
Perform this procedure only when required.
Install the pad disc brake rear.
CAUTION:
When installing, make sure that the pad wear indicator (a) comes on the lower side.

Courtesy of SUBARU OF AMERICA, INC.
Install the caliper body.
Tightening torque:

27 N.m (2.8 kgf-m, 19.9 ft-lb)
Install the brake hose rear using a new gasket.
Tightening torque:

26 N.m (2.7 kgf-m, 19.2 ft-lb)
Bleed air from the brake line. Ref. to BRAKE>AIR BLEEDING>PROCEDURE>BRAKE LINE .
Install the rear wheels. Ref. to WHEEL AND TIRE SYSTEM>TIRE AND WHEEL>INSTALLATION .