Ensure the serialized numbers on the rod and cap match and face the exhaust side of the engine. For fracture-split rods, any damage to the mating surfaces will ruin the rod.
The main bearing caps hold the crankshaft in place. Because these engines use high-clamping force bolts, the "Torque Plus Angle" method is standard. Always use clean engine oil on the bolt threads and under the bolt heads. Torque all bolts to 150 N·m [111 lb-ft] Torque all bolts to 300 N·m [221 lb-ft] Rotate each bolt 90 degrees (1/4 turn) clockwise. Installation Pro-Tip: cummins isx main and rod bearings torque specs new
Below are the standard torque specifications and sequences for the Cummins ISX main and rod bearings. 🛠️ Main Bearing Cap Torque Specs Ensure the serialized numbers on the rod and