CAMSHAFT 2347900 - Caterpillar

The bores in the connecting rod must be within specifications or the bearings will not fit properly. If the bores in the connecting rod have worn too much, the bearings will fit loosely. This will cause further wear and damage to the connecting rod, the bearing for the piston pin, the bearing for the crankshaft, the piston pin, and the crankshaft.Measure the bores in the connecting rod and ensure that the bores meet the diameters according to the engine's specifications. When you install the connecting rod, follow the instructions of the engine's specifications for tightening the bolts. Refer to Specifications, "Connecting Rod".