3116 and 3126 Truck Engines Problem Mechanical Noise (Knock) In Engine

Probable Cause(s):

* Failure Of Bearings For Connecting Rod
* Damaged Gears
* Damaged Crankshaft
* Defect In Accessory Equipment

1. Failure of bearings for connecting rod:

Inspect the bearings for the connecting rods and the bearing surfaces (journals) on the crankshaft. Install new parts where necessary.
2. Damaged gears:

Install new parts where necessary.
3. Damaged crankshaft:

Make replacement of the crankshaft.
4. Defect in accessory equipment:

Repair as needed or install new components.

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