Category Archives: 6.7L Cummins

Select the appropriate-size Allen wrench or socket, and remove the plug.  

Apply a film of pipe plug sealant, Part Number 3375066, or equivalent, to the threads. Install the pipe plugs. Tighten the pipe plugs. Refer to the adjoining chart for the appropriate torque values.  

Inspect the threads of the pipe plugs for mutilation or damage. Inspect the threaded bores for damage.  

Use spray cleaner, Part Number 3375433, or equivalent, to clean the threads of the pipe plugs and threaded bores.

Remove the pipe plug.

Apply a 2-mm [1/16-in] bead of cup plug sealant, Part Number 3375068, or equivalent, to the outside circumference of the cup plug and the inside circumference of the cup plug bore. NOTE: Do not install a used cup plug. Discard all plugs after removal. Install the cup plug with the appropriate cup plug driver. The… Read More »

Inspect the cup plug bores for damage.  

Thoroughly clean the cup plug hole using Scotch-BriteTM pad, or equivalent. Use spray cleaner, Part Number 3375433, or equivalent, to clean the bore for the final time.

Use a center punch to mark the cup plugs for drilling. Drill a 1/8-inch hole in the cup plug. Use a dent puller to remove the plug. Discard all used cup plugs. Do not use them again.  

NOTE: Make sure to install any shims or spacers in the same location as removed. Align the engine in the chassis. Install the engine mount fasteners and tighten. Refer to the OEM for torque specifications. Remove the lifting fixture or hoist from the engine lifting brackets. Connect all engine and chassis mounted accessories that were… Read More »