Remove the demand flow and cooling (DFC) signal line between the cylinder block main oil rifle and the lubricating oil pump. On STC engines, remove the DFC signal line between the viscosity sensor and the lubricating oil pump.
Diesel Engines Troubleshooting
Diesel Engines Repair
Remove the demand flow and cooling (DFC) signal line between the cylinder block main oil rifle and the lubricating oil pump. On STC engines, remove the DFC signal line between the viscosity sensor and the lubricating oil pump.