Brake Disc Thickness Check; Brake Disc Run-Out Check And Correction - Mitsubishi Electric Lancer Evolution-VII Workshop Manual

35A-14
M12 flat washer
M12 flat washer
BASIC BRAKE SYSTEM -

BRAKE DISC THICKNESS CHECK

Caution: Brembo disc brake
Take care not to contact the parts or tools to the caliper
because the paint of caliper will be scratched. And if
there is brake fluid on the caliper, wipe out quickly.
1. Using a micrometer, measure disc thickness at eight
2. If the disc is beyond the limits for thickness, remove it
BRAKE DISC RUN-OUT CHECK AND
CORRECTION
Caution: Brembo disc brake
Take care not to contact the parts or tools to the caliper
because the paint of caliper will be scratched. And if
there is brake fluid on the caliper, wipe out quickly.
1. Remove the brake assembly, and then hold it with wire.
2. Temporarily install the disc with the hub nut.
On-vehicle Service
positions, approximately 45° apart and 10 mm in from
the outer edge of the disc.
Brake disc thickness <Except for Brembo disc brake>
Standard value: 24.0 mm <Front>, 20.0 mm <Rear>
Limit: 22.4 mm <Front>, 18.4 mm <Rear>
Brake disc thickness <Brembo disc brake>
Standard value:32.0 mm <Front>, 22.0 mm <Rear>
Limit: 29.8 mm <Front>, 20.4 mm <Rear>
Thickness variation (at least 8 positions)
The difference between any thickness measurements
should not be more than 0.015 mm.
and install a new one. If thickness variation exceeds the
specification, replace the brake disc or grind it with
on-the-car type brake lathe ("MAD, DL-8700PF" or
equivalent).
Caution
(1) After a new brake disc is installed, always grind
the brake disc with on-the-car type brake lathe.If
this step is not carried out, the brake disc run-out
exceeds the specified value, resulting in judder.
(2) When the on-the-car type lathe is used, first install
M12 flat washer on the stud bolt in the brake disc
side according to the figure, and then install the
adapter. If the adapter is installed with M12 flat
washer not seated, the brake disc rotor may be
deformed, resulting in inaccurate grinding.
(3) Grind the brake disc with all wheel nuts diagonally
and equally tightened to the specified torque 100
N·m. When all numbers of wheel nuts are not used,
or the tightening torque is excessive or not equal,
the brake disc rotor or drum may be deformed,
resulting in judder.