Front Brake -- Reassembly |
- HINT:
- Use the same procedures for the LH side and RH side.
- The procedures listed below are for the LH side.
| 1. INSTALL FRONT DISC |
 |
Align the matchmarks and install the disc.
- HINT:
- When replacing the disc with a new one, select the installation position where the disc has the minimum runout.
| 2. CHECK DISC RUNOUT |
 |
Check the bearing play in the axial direction and check the axle hub runout (Toyota Fortuner RM00000112N004X_01_0001.html).
Temporarily install the disc to the hub with the hub nuts.
Using a dial indicator, measure the disc runout 10 mm (0.39 in.) from the outer edge of the disc.
- Maximum disc runout:
- 0.05 mm (0.0020 in.)
If the runout is greater than the maximum even when the installation positions are changed, grind the disc. If the disc thickness is less than the minimum, replace the disc.- Minimum disc thickness:
- 26.0 mm (1.024 in.)
Remove the 2 nuts.
| 3. TEMPORARILY INSTALL FRONT DISC BRAKE BLEEDER PLUG |
Temporarily 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.
Install the cap to the bleeder plug.
| 4. INSTALL PISTON SEAL |
Apply lithium soap base glycol grease to 4 new seals.
Install the 4 seals to the cylinder.
| 5. INSTALL FRONT DISC BRAKE PISTON |
Apply lithium soap base glycol grease to the 4 pistons.
Install the 4 pistons to the cylinder.
- NOTICE:
- Do not forcibly install the pistons to the cylinder.
| 6. INSTALL CYLINDER BOOT |
Apply lithium soap base glycol grease to 4 new cylinder boots.
Install the 4 boots to the cylinder.
- NOTICE:
- Install the boots securely on the grooves of the cylinder and piston.