How to Disassemble the Exhaust Manifold and Intake Manifold of Cummins M11 Series Engine

This Article explains how to disassemble the exhaust manifold and intake manifold of a Cummins M11 series engine.

① The exhaust manifold assembly consists of three sections. When disassembling, remove a bolt from

the end of each section and then install two guide pins. (Part No. 3376488), remove the remaining bolts,

and then remove the exhaust manifold, see Figure 2-25.

② Remove the intake manifold pressure sensor and temperature sensor wire connectors from the

intake manifold, see Figure 2-26.

③ Remove the intake manifold joint and gasket from the top of the intake manifold, remove the two

mounting bolts, and install the two guide pins (Part No. 3376488), remove the remaining bolts, and

install the lifting frame to the rocker arm chamber shell with 4 M10 × 25 bolts. The tightening torque is

47N·m, see Figure 2-27.