Cummins Isx Main And Rod Bearings Torque Specs New | Pro

The main bearing caps on an ISX are cross-bolted (side bolts plus vertical bolts). This is a four-step process. Failure to follow the sequence will warp the main bore.

Failure to adhere to these specific torque sequences and values can result in spun bearings, catastrophic crankshaft failure, or improper oil clearances. cummins isx main and rod bearings torque specs new

Rotate the capscrews by an additional 180 degrees . The main bearing caps on an ISX are

: Retighten in numerical sequence to 52 ft-lb (70 N•m). Verification : Verify all bolts are at 52 ft-lb . Final Angle : Rotate the capscrews an additional 60 degrees . Installation Tips and Clearances ISX Cummins Main and Rod Bolt Torque Specs Guide Failure to adhere to these specific torque sequences

Here are the torque specifications for (common models: ISX15, ISX12, Signature, and related CM870, CM871, CM2250, CM2350) main and connecting rod bearings using new fasteners.