S15/T15 Sonoma P/U 2WD V6-4.3L VIN X (1998)
15. Remove the brake shoes.
16. Remove the adjusting screw assembly and the adjusting screw spring from the brake shoes.
17. Inspect all parts for discoloration due to heat or stress.
18. Replace parts as needed. Replace all worn parts.
19. Inspect the wheel cylinder for signs of leakage. If you find signs of leakage, refer to Wheel Cylinder Replacement.
20. Inspect the brake drum for scoring and machining tolerance. Refer to Brake Drum Refinishing (Cracked, Scored, or Grooved).
INSTALLATION PROCEDURE
1. Lubricate the brake shoe backing plate, the adjusting screw threads, socket, and socket face with a thin coat or equivalent.
IMPORTANT: Do not interchange the right and left adjusting screws.
2. Install the adjusting screw assembly and the adjusting screw spring on the brake shoes. The coils of the adjusting screw spring must not touch the
adjusting screw.
3. Install the brake shoes on the backing plate.