Supra L6-2997cc 3.0L DOHC MFI (1998)
4. Remove these parts.
a. 2 anti-squeal springs.
b. 2 brake pads.
c. 4 anti-squeal shims.
d. 4 pad support plates.
NOTICE: The anti-squeal springs and under side support plates can be used again provided that they have sufficient rebound, no
deformation, cracks or wear, and have had all rust, dirt and foreign particles cleaned off.
5. Check disc thickness and runout.
a. Measure disc thickness.
Using a micrometer, measure the disc thickness.
Standard thickness: 32 mm (1.260 inch)
Minimum thickness: 30 mm (1.181 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
b. 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 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.
6. Install under side pad support plates.
7. Install upper side pad support plates.
a. Using cleaner, wipe off dust, water, oil, etc. from the pad support plate contact area of the torque plate.
b. Remove the pad support cover sheets from new pad support plate.
c. Install the new pad support plates.
8. Install new pads.
