Rear Brake Shoe, Wheel Cylinder & Brake Drum: Inspection
- INSPECT DISASSEMBLED PARTS
Inspect the disassembled parts for wear, rust or damage.
- MEASURE BRAKE SHOE LINING THICKNESS
Using a ruler, measure the shoe lining thickness.
Standard thickness: 4.0 mm (0.157 in.)
Minimum thickness: 1.0 mm (0.039 in.)
If the thickness is less than the minimum or shoe lining shows signs of uneven wear, replace the brake shoes.
NOTE: If a brake shoes needs replacing, the brake shoes must be replaced as a set - MEASURE BRAKE DRUM INSIDE DIAMETER
Using a brake drum gauge or equivalent, measure the inside diameter of the drum.
Standard inside diameter: 180.0 mm (7.087 in.)
Maximum inside diameter: 181.0 mm (7.126 in.)
If the drum is scored or worn, the brake drum may be lathed to the maximum inside diameter.
- INSPECT REAR BRAKE LINING AND DRUM FOR PROPER CONTACT
If the contact between the brake lining and drum is improper, repair the lining with a brake shoe grinder, or replace the brake shoe assembly.