Lancer Evolution L4-2.0L Turbo (4B11T/C) (2010)
Brake Rotor/Disc: Testing and Inspection
Front Brake Disk Run-Out Check and Correction
FRONT BRAKE DISK RUN-OUT CHECK AND CORRECTION
1. Remove the brake assembly, and then hold it with wire.
2. Temporarily install the disk with the hub nut.
3. Place a dial gauge approximately 5 mm (0-2 inch) from the outer circumference of the brake disk, and measure the run-out of the disk.
Limit:
0.06 mm (0.0024 inch) [Front]
0.08 mm (0.0032 inch) [Rear]
4. When the brake disk run-out exceeds the limit value, correct the brake disk run-out according to the following procedure.
1) Before removing the brake disk, make marks using a chalk to the stud bolt on the side with the greater run-out and to both sides of the stud
bolt.
2) Check the wheel bearing axial looseness. (Refer to On-vehicle Service, Wheel Bearing End Play Check See: Maintenance/Wheels and
Tires/Wheel Bearing/Testing and Inspection [Front] or On-vehicle Service, Wheel Bearing End Play Check See: Maintenance/Wheels and
Tires/Wheel Bearing/Testing and Inspection [Rear].)
3) When the looseness is within the limit value, install the brake disk after changing the phase between the hub and the brake disk, then check the
run-out of the brake disk again.
CAUTION:
^
After a new brake disk is installed, always grind the brake disk with on-the-car type brake lathe. If this step is not carried out, the brake
disk run-out exceeds the specified value, resulting in judder.