Toyota Camry Manual page 725

BRAKE SYSTEM – REAR BRAKE(Drum Brake)
8. REMOVE WHEEL CYLINDER
Remove the 2 bolts and the wheel cylinder.
9. IF NECESSARY, DISASSEMBLE WHEEL CYLINDER
Remove the following parts from the wheel cylinder.
2 boots
2 pistons
2 piston cups
Spring
REAR DRUM BRAKE COMPONENTS
INSPECTION AND REPAIR
1. INSPECT DISASSEMBLED PARTS
Inspect the disassembled parts for wear, rust or
damage.
2. MEASURE BRAKE SHOE LINING THICKNESS
Standard thickness:
5.0 mm (0.197 in.)
Minimum thickness:
1.0 mm (0.039 in.)
If the shoe lining is less than minimum or shows signs
of uneven wear, replace the brake shoes.
HINT: If any of the brake shoes have to be replaced,
replace all of the rear shoes in order to maintain even
braking.
3. MEASURE BRAKE DRUM INSIDE DIAMETER
Standard inside diameter:
228.6 mm (9.000 in.)
Maximum inside diameter:
230.6 mm (9.079 in.)
If the drum is scored or worn, the brake drum may be
lathed to the maximum inside diameter.
BR–39