Antilock Brake System Bleeding

ABS SYSTEM BLEEDING

NOTE: The ABS System Bleeding procedure is only necessary if the Hydraulic Control Unit (HCU) is replaced.

The Antilock Brake System (ABS) bleeding requires performing a base pressure brake bleeding, followed by use of the scan tool to cycle and bleed the HCU pump and solenoids.

1. Perform the Pressure Bleeding procedure Service and Repair.
2. After the Pressure Bleeding procedure, connect scan tool to the Data Link Connector.
3. Select ANTILOCK BRAKES, followed by MISCELLANEOUS, then ABS BLEED BRAKES and follow the instructions displayed for the procedure.
4. Remove the pressure bleeder from the master cylinder and make sure the brake fluid is properly filled and capped.

NOTE: If the ABS module was not replaced, the ABS VERIFICATION TEST is not needed.

5. If the ABS module was replaced, perform the ABS VERIFICATION TEST ABS Verification Test.
6. Verify proper brake operation before moving vehicle