Lubricating Oil Pump Signal Line - Removal Engine Disassembly (00-01) N14 Page 0-32 Remove and discard the o-ring from the oil pan flange tube and the rectangular sealing ring from the lubricating oil pump mounting flange. Lubricating Oil Pump Signal Line - Removal Remove the demand flow and cooling (DFC) signal line between the cylinder block main oil rifle and the lubri- cating oil pump. On STC engines, remove the DFC signal line between the viscosity sensor and the lubricating oil pump. Lubricating Oil Pump - Removal Remove the five capscrews which hold the lubricating oil pump to the cylinder block. Caution: Do not pry on the lubricating oil pump mount- ing flange.
Remove the lubricating oil pump from the cylinder block gear flange. Discard the gasket. Viscosity Sensor - Removal Remove the pressure signal line (1), the oil supply line (2), and drain line (3) from the viscosity sensor.