Controller Anti-Lock Brake (Cab): Removal
Ensure ignition switch is in OFF position. Remove HCU. See HYDRAULIC CONTROL UNIT. Remove 2 CAB-to-HCU bolts. Press down on CAB-to-HCU retaining clip. Remove CAB from HCU by pulling it straight out of HCU connector. DO NOT twist CAB while removing it from HCU connector.