Supra L6-2997cc 3.0L DOHC MFI (1998)
1. Measure pad lining thickness.
Using a ruler, measure the pad lining thickness.
Standard thickness: 10.0 mm (0.394 inch)
Minimum thickness: 1.0 mm (0.039 inch)
Replace the pad if the pad's thickness is at the minimum thickness or less, or if the pad has severe, uneven wear.
2. Measure disc thickness.
Using a micrometer, measure the disc thickness.
Standard thickness: 16.0 mm (0.630 inch)
Minimum thickness: 15.0 mm (0.591 inch)
Replace the disc if the thickness of the disc is at the minimum thickness or less.
Replace the disc or grind it on a lathe if it is scored or is worn unevenly.
Measure Disc Runout, Using A Dial Indicator
3. Measure disc runout.
Using a dial indicator, measure the disc runout at a position 10 mm (0.39 inch) away from the outside edge.
Maximum disc runout: 0.05 mm (0.0020 inch)
If the disc's runout is at the maximum value or greater, check the bearing play in the axial direction and check the axle hub runout. If the bearing
play and axle hub runout are not abnormal, adjust the disc runout or grind it on a "On-Car" brake lathe.
4. If necessary, adjust disc runout.
a. Remove the 2 bolts and torque plate.
b. Remove the hub nuts and the disc. Reinstall the disc in the position turned 1/5 from its original position on the hub. Install and torque the hub
nuts.
Torque: 103 Nm (76 ft. lbs.)
Remeasure the disc runout. Make a note of the runout and the disc's position on the hub.
c. Repeat b) until the disc has been installed on the 3 remaining hub positions.
d. If the minimum runout recorded in b) and c) is less than 0.05 mm (0.0020 inch), install the disc in that position.
e. If the minimum runout recorded in b) and c) is greater than 0.05 mm (0.0020 inch), replace the disc and repeat step 3.
