1. Measure the inner diameter of the brake drum, it should be 228.6-230.6 mm. Check brake drum runout.
2. Check the slave cylinder (A) for leaks. Check drum brake pads (IN) for cracking, glazing, wear and contamination. Measure brake lining thickness (WITH). Nominal thickness 4.5 mm, maximum allowable value 1 mm.
3. Check the contact of the brake pads with the drum.
4. Check the outside of the brake cylinder for excessive corrosion and damage.