Toyota Celica Supra 1986 Service And Repair Manual page 494

' I
BRAKE SYSTEM -Front Brake BR·17
2.
3 .
4,
5.
REMOVE MAIN PIN BOOT WITH A CHISEL
REMOVE PISTON FROM CYLINDER
Use compressed air to remove the piston from the cylinder.
WARNING :
Do
not P'- your fingen in front of the
piston when using compressed air.
REMOVE CYLINDER BOOT AND SET RING FROM
CYLINDER
REMOVE PISTON SEAL FROM CYLINDER
INSPECTION OF FRONT BRAKE COMPONENTS
1. MEASURE PAO LINING THICKNESS
Standard thickness: 10.5 mm (0.413 in.)
Minimum thickMIS: 3.0 mm (0.118 in.)
Replace the pad if the thickness is less than the minimum
(the 1.0 mm slit is no longer visible) or if it shows sign of
uneven wear.
2. MEASURE ROTOR DISC THICKNESS
Standard thickness: 20.0 mm
(0.
787 in.)
Minimum thickness: 19.0 mm (0.748 in.)
If
the disc thickness is less than minimum, replace the disc.