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10. Install the remaining J 45101-100 and lug nuts onto
the wheel studs and tighten the nuts firmly by hand
in a star-pattern.
11. Using the J 39544-KIT, or equivalent, tighten the lug
nuts in a star-pattern to specification, in order to
properly secure the rotor. Refer to "Tire and Wheel
Removal and Installation: ".
12. Measure the assembled LRO of the brake rotor.
Refer to "Brake Rotor Assembled Lateral Runout
Measurement: ".
13. If the brake rotor assembled LRO measurement still
exceeds the maximum allowable specification, refer
to "Brake Rotor Assembled Lateral Runout
Correction: ".
14. If the brake rotor assembled LRO measurement is
within specification, install the brake caliper and
depress the brake pedal several times to secure the
rotor in place before removing the J 45101-100 and
the lug nuts.
Brake Rotor Assembled Lateral Runout
Correction - On Vehicle Lathe
Special tool
J 45101-100 Conical Brake Rotor Washers
WARNING
!
Refer to "Brake Dust Caution: ".
NOTE
• Brake rotor thickness variation MUST be
checked BEFORE checking for assembled
lateral runout (LRO). Thickness variation
exceeding the maximum acceptable level
can cause brake pulsation. Refer to "Brake
Rotor Thickness Variation Measurement: ".
• Brake rotor assembled LRO exceeding the
maximum allowable specification can
cause thickness variation to develop in the
brake rotor over time, usually between 4
800-11 300 km (3,000-7,000 mi). Refer to
"Brake Rotor Assembled Lateral Runout
Measurement: ".
1. Ensure that the caliper and caliper bracket that are
already being supported, are clear from contacting
any rotating components, such as the brake rotor.
2. Remove the J 45101-100 and the lug nuts that were
installed during the assembled LRO measurement
procedure and/or the indexing correction procedure.
3. Inspect the mounting surface of the hub/axle flange
and the brake rotor to ensure that there are no
foreign particles or debris remaining.
4. Set up the lathe, following the manufacturer's
instructions.
5. Refinish the brake rotor, following the brake lathe
manufacturer's instructions.
6. After each successive cut, inspect the brake rotor
thickness. Refer to "Brake Rotor Thickness
Measurement: ".
7. If at any time the brake rotor exceeds the minimum
allowable thickness after refinish specification, the
brake rotor must be replaced. After replacing the
rotor, proceed to step 10.
Rear Brakes:
4C-27
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Troubleshooting
