Rear Drum Brake: Inspection

Inspect the disassembled parts for wear, rust or damage.
Measure the thickness of brake shoe lining.
Standard: 0.17 in (4.5 mm)

Minimum: 0.04 in (1 mm)
If the shoe lining is less than minimum or shows signs of uneven wear, replace new one.

Fig 1: Measuring The Thickness Of Brake Shoe Lining
Courtesy of KIA MOTORS AMERICA, INC.
Measure the inside diameter of the brake drum.
Standard: 10 in (254 mm)

Maximum: 10.07 in (256 mm)

Fig 2: Measuring The Inside Diameter Of The Brake Drum
Courtesy of KIA MOTORS AMERICA, INC.
If the inside diameter of the brake drum is more than maximum or shows signs of uneven wear, replace new one.
Inspect the lining and drum for proper contact. If the contact condition is improper, repair it with a grinder or replace the brake shoe assembly.

Fig 3: Inspecting The Lining And Drum For Proper Contact
Courtesy of KIA MOTORS AMERICA, INC.