Front Brake Pad, Brake Caliper & Brake Rotor: Disassembly

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Do not remove the disc brake piston and piston seal from the front disc brake cylinder assembly.

HINT:

Use the same procedure for the LH side and RH side
The following procedure is for the LH side.

REMOVE CYLINDER BOOT
1. Place one side of the disc brake pad and wooden plate between the disc brake pistons of the disc brake cylinder assembly.
  
  Fig 1: Placing One Side Of Disc Brake Pad And Wooden Plate Between Disc Brake Pistons
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Using compressed air, gradually push the disc brake piston out slightly from the cylinder
  NOTE: Do not push the disc brake piston out more than 12 mm (0.472 in.) from the front disc brake cylinder assembly.
  
  Fig 2: Identifying Disc Piston Height
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Using a screwdriver, separate the cylinder boot from the front disc brake cylinder assembly
  NOTE: Be careful not to damage the front disc brake cylinder assembly.
  
  HINT
  
  Tape the screwdriver tip before use.
  
  Fig 3: Separating Cylinder Boot From Front Disc Brake Cylinder Assembly Using Screwdriver
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the cylinder boot from the front disc brake piston
HINT

Use the same procedure to remove the remaining cylinder boots.
REMOVE FRONT DISC BRAKE BLEEDER PLUG
1. Remove the front disc brake bleeder plug cap and front disc brake bleeder plug from the front disc brake cylinder assembly