Cummins 4BT – Piston and Rings – Replacement

Preparatory Steps:
โ€ข Drain the coolant.
โ€ข Remove the cylinder head. Refer to Procedure (7-07).

17 mm
Drain the lubricating oil.
After lubricating oil is drained, install the drain plug and a new sealing washer.
Torque Value: 80 Nยปm [60 ft-lb]

Remove the dipstick bayonet.

10 mm
Remove the lubricating oil pan.