Brake Fluid: Service Precautions

Use only Delco Supreme 11 Brake Fluid, GM P/N 1052535, or equivalent, DOT 3 brake fluid from a clean, sealed container. Do not use any fluid from a container which is wet with water. Do not use DOT 5 silicone brake fluid. Improper brake fluid, water or mineral oil in the fluid may cause the brake fluid to boil or the rubber components to deteriorate.

Brake fluid must be clean and free of impurities at all times. The brake system will require flushing if any brake fluid impurities are found. Refer to "Substandard or Contaminated Brake Fluid." to determine the condition of the brake fluid. Refer to "Flushing the Hydraulic System" for brake system flushing procedures.