Cummins N14 – Cylinder Head – Replacing the Valve Guides – Disassembly

Use a valve guide driver, Part No. 3376398, (1) and an arbor press to remove the old valve guides (2).

Cummins N14 - Cylinder Head - Exploded View
Cummins N14 - Cylinder Head - Cleaning
Steam clean the cylinder heads, and dry with compressed air. Blow out all capscrew holes,…
Cummins N14 - Assembly
Apply cup plug sealant, Part No. 3375068, to the outside diameter of the expansion plugs.…
Cummins N14 - Cylinder Head - Inspection
Visually inspect the fuel drillings and the water passages for restrictions or foreign material. Remove…
Cummins N14 - Cylinder Heads - Removal
Remove the 12 capscrews and washers from each cylinder head. Lift the cylinder heads from…

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