brake pads LEXUS SC300 1991 Service User Guide

3. REMOVE FOLLOWING PARTS:
(a) 2 anti±squeal springs
(b) 2 brake pads
CALIPER DISASSEMBLY
BR0EP±04
1. REMOVE CYLINDER BOOT SET RING AND CYLINDERBOOT
Using a screwdriver, remove the cylinder boot set ring and
cylinder boot from the caliper.
2. REMOVE PISTON
(a) Place a piece of cloth or similar article between the piston and
the caliper.
(b) Use compressed air to remove the piston from the caliper.
CAUTION: Do not place your fingers in front of the piston when
using compressed air.
3. REMOVE PISTON SEAL Using a screwdriver, remove the piston seal from the caliper.
4. REMOVE SLIDING PINS AND DUST BOOTS
(a) Remove the 2 sliding pins from the torque plate.
BR±40
±
BRAKE SYSTEM REAR BRAKE (Disc Brake)
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3. INSTALL PISTON SEAL AND PISTON IN CALIPER
4. INSTALL CYLINDER BOOT AND CYLINDER BOOT SETRING
CALIPER INSTALLATION
BR0ER±04
1. INSTALL FOLLOWING PARTS:
(a) 2 brake pads
(b) 2 anti±squeal springs
2. INSTALL CALIPER
(a) Temporarily install the caliper on the torque plate with 2installation bolts.
(b) Hold the sliding pin and torque the installation bolts.
Torque: 34 N Vm (350 kgf Vcm, 25 ft Vlbf)
3. CONNECT FLEXIBLE HOSE
Install the flexible hose on the caliper with 2 new gaskets.
Torque: 30 N Vm (310 kgf Vcm, 22 ft Vlbf)
HINT: Install the flexible hose lock securely in the lock hole
in the caliper.
4. FILL BRAKE R ESERVOIR WITH BRAKE FLUID AND
BLEED BRAKE SYSTEM
(See page BR±8)
5. CHECK FOR LEAKS
±
BRAKE SYSTEM REAR BRAKE (Disc Brake)BR±43
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14. INSPECT BRAKE PADS AND DISCS FOR FRONT ANDREAR
(a) Check the thickness of the disc brake pads and check for irregular wear.
Minimum pad thickness:
1.0 mm (0.039 in.)
HINT: If a squealing or scraping noise comes from the brake
during driving, check the pad wear indicator to see if it is con-
tacting the disc rotor. If so, the disc pad should be replaced.
(b) Check the disc for wear or runout.
Minimum disc thickness: Front
30.0 mm (1.181 in.)
Rear
15.0 mm (0.591 in.)
(c) Check the disc for runout.
Maximum disc runout: 0.05 mm (0.0020 in.)
15. INSPECT BRAKE LININGS AND DRUMS FOR PARKINGBRAKE
(a) Check the lining±to±drum contact condition and lining wear.
Minimum lining thickness:
1.0 mm (0.039 in.)
MA±12±
MAINTENANCE (1UZ ± FE)
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