Home >> Volvo >> 2004 >> V70 Base, 2.4 64 >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic-Vacuum-Hydraulic Brakes - Removal, Replacement And Installation >> Brake Pipe And Connections (2001-2003) >> Brake pipe from hydraulic unit / front wheel / junction, replacing >> Preparation >> Disconnect the battery lead