Preferred Method
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Before bleeding system, using scan tool, place hydraulic ABS modulator/motor pack assembly displacement cylinder pistons in upper position. To position pistons, connect scan tool to Data Link Connector (DLC), and then select the MOTOR REHOME function. Motor rehome cannot be performed if any current Diagnostic Trouble Codes (DTCs) are set. Diagnose and repair DTCs. See DIAGNOSIS & TESTING. Bleed entire system using either MANUAL BLEEDING or PRESSURE BLEEDING procedure. If scan tool is not available, alternate method may be used. See ALTERNATE METHOD procedure.