Posted on March 31, 2021 Home » Cummins 4BT » Cummins 4BT – Piston Pin – Inspection Cummins 4BT – Piston Pin – Inspection Inspect the piston pin for nicks, gouges and excessive wear. Measure the pin diameter. Related Posts Cummins 4BT - Piston InspectionInspect the piston for damage and excessive wear. Check the top, ring, grooves, skirt and… Cummins 4BT - Valve Guide InspectionInspect the valve guides for scuffing or scoring. Measure the valve guide bore. Cummins 4BT - Valve Seat InspectionInspect the valve seats for cracks or burned spots. Refer to the following reuse guidelines… Cummins 4BT - Valve Spring InspectionInspect the valve springs. Measure the valve spring. A load of 289.13 to 321.16 N.… Cummins 4BT - Valve - InspectionInspect for abnormal wear on the heads and stems. Check the valve stem tip for…