Category Archives: 6.7L Cummins

For Front Mount, remove the front mount capscrews and bracket. For Side Mount, remove the side engine mount capscrews and the brackets.  

For All Engine Mounts, inspect all rubber-cushioned mounts for cracks or other damage. Inspect all mounting brackets for cracks or damaged bolt holes. Replace any damaged parts as necessary. For Barrel Mounts, inspect for signs of contact between the side brackets and the front engine support bracket. Contact between the engine mount and side brackets… Read More »

Front For engines not equipped with pad mount alternators, install the capscrews and front bracket. Tighten the capscrews. For engines equipped with pad mount alternators, install the capscrews and front bracket. Tighten the capscrews. Torque Value: 32 N•m [ 24 ft-lb ] Rear NOTE: Some engines use a two bolt rear lifting bracket and some… Read More »

Use steam or solvent to clean the lifting brackets. Dry with compressed air. Inspect the brackets for cracks or other damage. Replace the bracket if it is cracked or damaged.  

Front Remove the capscrews and the front lifting bracket. Rear NOTE: Some engines use a two bolt rear lifting bracket and some engines use a four bolt rear lifting bracket. Remove the capscrews and the rear lifting bracket.  

Use INSITE’M electronic service tool to check for fault codes. If any fault codes are present, follow the corresponding troubleshooting tree before performing any part of this procedure. The fault code troubleshooting tree in some cases will refer back to this procedure to complete the diagnostics. Exhaust System Outlet Inspection • Inspection of the exhaust… Read More »

For information on the aftertreatment system, Refer to Procedure 011-999 in Section F. The following procedure contains two main steps: Initial Check • This is an inspection step to determine the condition of the aftertreatment diesel particulate filter without removal of the filter. The Initial Check step should be used to determine if the aftertreatment… Read More »

Choose the appropriate blow by measurement service tool to use for the engine being serviced. Reference the Mid Range Blow by Specifications Chart in this procedure and determine the appropriate blow by measurement service tool to use, based on engine type and/or horsepower. NOTE: Either service tool can be used to measure blow by as… Read More »

NOTE: The location and type of crankcase breathers vary by engine configuration (Front Gear Train or Rear Gear Train) and/or engine application (Marine, Industrial, and Automotive). Prior to measuring blow by pressure, check the crankcase breather tube for obstructions. • Use the following procedure in the C Series Engines Troubleshooting and Repair Manual, Bulletin 3666003.… Read More »

Excessive crankcase blow by can indicate an engine or engine-related component malfunction that allows combustion gases or air to enter the crankcase. This results in the buildup of higher than normal crankcase pressure, which results in increased levels of blow by. This procedure describes how to measure crankcase blow by and how to determine what… Read More »