Bleeding Brake System: Notes

WARNING: To prevent personal injury and/or damage to painted surfaces, depressurize hydraulic accumulator before performing brake bleeding procedure. Refer to the ANTI-LOCK BRAKE SAFETY PRECAUTIONS article in the GENERAL INFORMATION section.

NOTE: During bleeding procedure, ensure fluid level remains close to full. Check fluid level periodically while bleeding system. Add DOT 3 brake fluid as required.

Before bleeding brake system or disconnecting any hydraulic brake component (including brakelines), depressurize ABS hydraulic system by turning ignition switch to OFF position and depressing brake pedal at least 40 times.

On vehicles equipped with load sensing proportioning valve, bleed valve before bleeding brakes. If master cylinder is equipped with bleed screw, bleed master cylinder first.

Bendix-6 ABS system must be bled as 2 independent braking systems. Always bleed brake system using manual or pressure bleeding procedure before bleeding modulator assembly. See MANUAL BLEEDING or PRESSURE BLEEDING . Modulator assembly must be bled separately. Refer to BLEEDING MODULATOR ASSEMBLY . Bleeding modulator assembly requires Diagnostic Readout Box II (DRB-II).