Hydraulic Brake System Flushing

Hydraulic Brake System Flushing

Notice: When adding fluid to the brake fluid reservoir or to the clutch fluid reservoir, use only GM Vehicle Care Brake and Clutch Fluid Super DOT-4, GM P/N 88958860 (Canadian P/N 88901244), or equivalent DOT-4 brake fluid from a clean, sealed container. This polyglycol brake fluid is hygroscopic and absorbs moisture. Do not use fluid from an open container that may be contaminated with water. Improper or contaminated fluid could result in damage to the system components.


Important: The operation hydraulic brake system flushing corresponds to the operation hydraulic brake system bleeding. Refer to Hydraulic Brake System Bleeding (Service and Repair) .



This operation must be undertaken on all bleeder valves.