Sierra 1500 4WD V8-5.3L VIN B (2005)
- Clean the brake master cylinder reservoir using denatured alcohol, or equivalent, then dry the reservoir using non-lubricated, filtered air. Inspect
the reservoir for cracks and/or damage and replace if necessary. Refer to Master Cylinder Reservoir Replacement .
- Replace the brake master cylinder reservoir cap diaphragm.
- Front Brake Hose Replacement
- Rear Brake Hose Replacement
- Front Brake Caliper Overhaul or Front Brake Caliper Replacement
- Rear Brake Caliper Overhaul or Rear Brake Caliper Replacement
- Brake Pressure Modulator Valve Replacement
4. If the brake fluid was NOT contaminated with an oil-based or a silicone-based substance, but WAS contaminated with water or dirt, rust,
corrosion, and/or brake dust, replace the brake master cylinder reservoir cap diaphragm which may have allowed the moisture or particles to enter
the hydraulic system.
5. Fill the brake master cylinder reservoir to the maximum-fill level with Delco Supreme 11® (GM P/N 12377967) or equivalent DOT-3 brake fluid
from a clean, sealed brake fluid container.
6. Pressure bleed the hydraulic brake system. Begin the procedure with the pressure bleeder reservoir filled to the maximum-fill level with the correct
brake fluid as indicated. Refer to Hydraulic Brake System Bleeding.
