Posted on March 22, 2021 Home » Cummins 4BT » Cummins 4BT – Lubricating Oil Pump – Removal Cummins 4BT – Lubricating Oil Pump – Removal 13 mm Remove the four mounting capscrews. Remove the pump from the bore in the cylinder block. Related Posts Cummins 4BT - Lubricating Oil Pump - ReplacementPreparatory Step: • Remove the drive belt. NOTE: Removal is easier if the crankshaft pulley… Cummins 4BT - Lubricating Oil Contaminated Cummins N14 - Lubricating Oil Pump - RemovalRemove the five capscrews which hold the lubricating oil pump to the cylinder block. Caution:… Cummins 4BT - Lubricating Oil DilutionCaution: Diluted oil can cause severe engine damage. Check the condition of the lubricating oil.… Cummins 4BT - Lubricating Oil Pressure Low