16. BRAKE SYSTEM MXU 550EXi/MXU 500i Dust Boot Install the dust boots. Apply silicone grease to caliper bracket, then install it. Caliper Bracket Install the spring plate. Spring Plate Install the parking brake caliper (refer to the "REAR BRAKE/PARKING BRAKE CALIPER EMOVAL/INSTALLATION " section in this chapter). Adjust the parking brake (refer to the "PARKING BRAKE ADJUSTMENT " section in the chapter 3). 16-46