Front Brake Pad, Brake Caliper & Brake Rotor: Reassembly

HINT:

• Use the same procedures for the LH side and RH side.
• The procedures listed below are for the LH side.

1. CHECK DISC RUNOUT 
   1. Check the bearing play in the axial direction and check the axle hub deviation (see ON-VEHICLE INSPECTION ).
   2. Using a dial indicator, measure the disc runout 10 mm (0.39 in.) away from the outer edge of the disc.

      Maximum disc runout: 0.07 mm (0.0028 in.) 

      If the runout is greater than the maximum, grind the disc. If the disc thickness is less than the minimum, replace the disc.

      Fig 1: Measuring Disc Runout 10 mm (0.39 in.) Away From Outer Edge Of Disc

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. TEMPORARILY TIGHTEN FRONT DISC BRAKE BLEEDER PLUG 
   1. Install the bleeder plug to the cylinder.

      HINT:

      The bleeder plug will be tightened to a torque specification in the "BLEED AIR FROM BRAKE LINE"  procedures.

   2. Install the cap to the bleeder plug.
3. INSTALL PISTON SEAL 
   1. Apply lithium soap base glycol grease to 4 new seals.
   2. Install the 4 seals to the cylinder.
4. INSTALL FRONT DISC BRAKE PISTON 
   1. Apply lithium soap base glycol grease to the 4 pistons and 4 new cylinder boots.
   2. Install the 4 boots to the pistons.
   3. Install the 4 pistons (with the boots) to the cylinder.
      NOTE: Do not forcibly install the pistons to the cylinder.
5. INSTALL CYLINDER BOOT 
   1. Install 4 new boots to the cylinder.
   2. Using a screwdriver, install the set ring.
      NOTE: Be careful not to damage the boot.