Cummins ISX11.9 CM2250 – Service Manual 003-018   Crankcase Breather Tube

Disconnect the crankcase breather vent tube (1), inlet tube (2), and drain line (3) from the crankcase breather.

Disconnect the crankcase breather inlet tube (2) from the rocker lever cover.

Remove the two p-clips securing the crankcase breather vent tube to the cylinder head and front gear housing.

Remove the crankcase breather vent tube.

Remove the p-clip securing the drain line to the intake manifold.

Disconnect the bottom of the drain line with the coupling from the block.

Remove the crankcase breather drain line.