Rear Brake Pad, Brake Caliper & Brake Rotor: Reassembly

HINT:

Fully tighten the rear disc brake bleeder plug after bleeding any air left in the system.

1. Apply lithium soap base glycol grease to a new piston seal.
2. Install the piston seal to the disc brake cylinder assembly.
   NOTE: Securely install the piston seal to the groove of the disc brake cylinder.

1. Apply lithium soap base glycol grease to the piston and a new cylinder boot.
2. Install the cylinder boot to the piston as shown in the illustration.
   NOTE: Do not install the cylinder boot after installing the piston into the disc brake cylinder.
   Fig 1: Locating Grease Applying Area On Piston And Cylinder Boot

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Install the seal portion of the cylinder boot into the groove portion of the rear disc brake cylinder.
   NOTE: Securely install the cylinder boot to the groove of the rear disc brake cylinder.
   Fig 2: Installing Seal Portion Of Cylinder Boot Into Groove Portion Of Rear Disc Brake Cylinder

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using SST, screw the piston to the end by turning it clockwise as far as possible.

   SST 09960-10010 (09963-00400) 

   NOTE:

   • Securely install the cylinder boot to the groove of the piston.
   • Do not damage the piston or cylinder boot.
   Fig 3: Installing Cylinder Boot To Groove Of Piston

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using SST, slowly turn the piston counterclockwise until the piston groove is positioned as shown in the illustration.

   HINT:

   When installing the disc brake cylinder to the disc cylinder mounting, align the piston groove with the protrusion on the brake pad.

   Fig 4: Identifying Piston Groove Position

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Make sure that the cylinder boot is securely installed into the groove of the disc brake cylinder and disc brake piston.
   Fig 5: Identifying Cylinder Boot

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002